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List of municipalities in Colorado

From Wikipedia, the free encyclopedia

The U.S. State of Colorado has 272 active municipalities, comprising 197 towns, 73 cities, and two consolidated city and county governments.[a][1][2] The City and County of Denver, the state capital,[3] is the oldest municipality in Colorado. On December 3, 1859, the extralegal Territory of Jefferson granted a charter to the consolidated City of Denver, Auraria, and Highland.[4] The Town of Keystone, incorporated on February 8, 2024, is the newest Colorado municipality. On July 28, 2026, the Colorado Secretary of State declared that the Town of Hartman had been abandoned after all the town trustees had resigned.[5]

A map showing the location of the U.S. State of Colorado
The location of the State of Colorado in the United States of America

Colorado municipalities range in population from the City and County of Denver with a 2020 population of 715,522, to the Town of Carbonate, which has had no year-round population since the 1890 Census due to its severe winter weather and difficult access.[b][6][7] The City of Black Hawk with a 2020 population of 127 is the least populous Colorado city, while the Town of Castle Rock with a 2020 population of 73,158 is the most populous Colorado town.[1][6]

At the 2020 United States Census, 4,299,942 of the 5,773,714 Colorado residents (74.47%) lived in one of the 271 municipalities active at the time.[c][6] Another 714,417 residents (12.37%) lived in one of the 210 census-designated places, while the remaining 759,355 residents (13.15%) lived in the many rural and mountainous areas of the state.[6]

In 2020, only 1,968 square miles (5,097 km2) of Colorado's 103,642 square miles (268,431 km2) of land area (1.90%) were incorporated in the 271 active municipalities. The City of Colorado Springs with 195 square miles (506 km2) of land area was the most extensive municipality, while the Town of Sawpit with 19 acres (0.078 km2) of land area was the least extensive.[8] The City of Glendale with a 2020 population density of 8,117 residents per square mile (3,134/km2) was the most densely populated municipality, while the Town of Bonanza with a 2020 population density of 38 residents per square mile (15/km2) was the least densely populated municipality after Carbonate.

Municipal government

Colorado municipalities operate under various types of municipal governing authority — consolidated city and county, home rule municipality (which may be either a city and county, city, or a town), statutory city, statutory town, and territorial charter municipality.[1] State law makes relatively few distinctions between a city and a town. The charter of a home rule municipality may designate either a city or town municipal title. In general, cities are more populous than towns, although long-term population changes may skew this considerably, as illustrated by the City of Black Hawk and the Town of Castle Rock.

Neither village nor civil township is a type of civil division in the State of Colorado. The cities of Cherry Hills Village and Greenwood Village and the towns of Log Lane Village, Mountain Village, and Snowmass Village have the word "village" at the end of their names.[1]

Nineteen Colorado municipalities extend into two counties, while two cities – Aurora and Littleton – extend into three counties.[1]

Consolidated city and county

In the State of Colorado, only Denver and Broomfield have consolidated city and county governments. The City and County of Denver operates under Article XX, Section 4 of the Constitution of the State of Colorado; and Title 30, Article 11, Section 101 of the Colorado Revised Statutes. Denver has an elected mayor and a city council of 13 members with 11 members elected from council districts and two members elected at large. The City and County of Broomfield operates under Article XX, Sections 10–13 of the Constitution of the State of Colorado. Broomfield has an appointed city and county manager, an elected mayor, and a city council of 11 members composed of the mayor and two members elected from each of five wards.

Home rule municipality

As of 2026, Colorado has 103 home rule municipalities,[9][10] of which 62 are designated cities and 41 are designated towns. Home rule municipalities are self-governing under Article 20 of the Constitution of the State of Colorado; Title 31, Article 1, Section 202 of the Colorado Revised Statutes; and the home rule charter of each municipality. The state-authorized home rule charter determines the form of government. Home rule gives local municipalities the power to make legislation relevant to their areas, exercising control over issues of local concern while minimizing state intervention in municipal affairs.[11]

Statutory city

As of 2026, Colorado has 11 statutory cities that operate under Title 31, Article 1, Section 203 and Article 4, Section 100 or Section 200 of the Colorado Revised Statutes.[12] A statutory city must have a population of at least 2,000 at the time of incorporation or reorganization, although three have lost population since.[13] Statutory cities have an elected mayor and a city council composed of the mayor and two members elected from each ward. A statutory city may petition to reorganize as a Section 200 statutory city with an appointed city manager and a city council with two members elected from each ward and one member elected at large. The mayor may be the city council member elected at large or the city council may appoint a mayor.

Statutory town

As of 2026, Colorado has 155 statutory towns that operate under Title 31, Article 1, Section 203 and Article 4, Part 3 of the Colorado Revised Statutes. The statutory town of Creede uses the official title "City of Creede".[1] Likewise, Garden City, Lake City, Orchard City, and Sugar City are legally statutory towns and "city" is only a part of their names.[1]

Statutory towns have an elected mayor and a board of trustees composed of the mayor and four or six additional members elected at large. Colorado statutory cities and towns are limited to exercising powers that are granted by the state and are subject to provisions and limitations imposed by the state[11] and are similar to villages in other states such as the villages of the State of New York.

Territorial charter municipality

The Town of Georgetown is the only municipality that still operates under a charter granted by the Territory of Colorado. The town operates under Article 14, Section 13 of the Charter & Constitution of the Colorado Territory enacted on January 28, 1868. The town mayor is called the police judge, and the town council is called the board of selectmen.[14]

Active municipalities

See also: List of Colorado municipalities by population, List of Colorado municipalities by county, List of Colorado municipalities in multiple counties, List of Colorado municipalities by elevation, List of Colorado county seats, and List of former municipalities in Colorado
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Active municipalities of Colorado
Municipality[1] Type of government[1] County[1][d][e] Population[6] 2020 land area[8] 2020 population density[6][8] Date of incorporation[1]
2020[b] 2010 Change
Aguilar Statutory town Las Animas 456538−15.24% 0.392 sq mi
1.016 km2  		 1162/sq mi
449/km2  		 January 10, 1894
Akron†[f] Statutory town Washington 1,7571,702+3.23% 2.772 sq mi
7.180 km2  		 634/sq mi
245/km2  		 September 22, 1887
Alamosa†[g] Home rule city Alamosa 9,8068,780+11.69% 7.598 sq mi
19.679 km2  		 1291/sq mi
498/km2  		 August 12, 1878
Alma Statutory town[h] Park 296270+9.63% 0.434 sq mi
1.123 km2  		 683/sq mi
264/km2  		 December 2, 1873
Antonito Statutory town Conejos 647781−17.16% 0.427 sq mi
1.105 km2  		 1516/sq mi
586/km2  		 December 29, 1889
Arriba Statutory town Lincoln 202193+4.66% 0.499 sq mi
1.292 km2  		 405/sq mi
156/km2  		 August 29, 1918
Arvada[16] Home rule city Jefferson,
Adams		 124,402106,433+16.88% 38.910 sq mi
100.776 km2  		 3197/sq mi
1,234/km2  		 August 24, 1904
Aspen†[i] Home rule city Pitkin 7,0046,658+5.20% 3.858 sq mi
9.992 km2  		 1815/sq mi
701/km2  		 April 1, 1881
Ault Statutory town Weld 1,8871,519+24.23% 1.728 sq mi
4.476 km2  		 1092/sq mi
422/km2  		 April 11, 1904[j]
Aurora[k][l] Home rule city Arapahoe,
Adams,
Douglas		 386,261325,078+18.82% 160.130 sq mi
414.734 km2  		 2412/sq mi
931/km2  		 May 5, 1903[m]
Avon Home rule town Eagle 6,0726,447−5.82% 8.349 sq mi
21.625 km2  		 727/sq mi
281/km2  		 February 24, 1978
Basalt Home rule town Eagle,
Pitkin		 3,9843,857+3.29% 1.991 sq mi
5.158 km2  		 2000/sq mi
772/km2  		 August 26, 1901
Bayfield Statutory town La Plata 2,8382,333+21.65% 1.646 sq mi
4.264 km2  		 1724/sq mi
666/km2  		 August 18, 1906
Bennett Statutory town Adams,
Arapahoe		 2,8622,308+24.00% 5.795 sq mi
15.008 km2  		 494/sq mi
191/km2  		 January 22, 1930
Berthoud Statutory town Larimer,
Weld		 10,3325,105+102.39% 12.933 sq mi
33.497 km2  		 799/sq mi
308/km2  		 August 28, 1888
Bethune Statutory town Kit Carson 183237−22.78% 0.162 sq mi
0.420 km2  		 1128/sq mi
436/km2  		 June 10, 1926
Black Hawk Home rule city Gilpin 127118+7.63% 2.653 sq mi
6.871 km2  		 47.9/sq mi
18.5/km2  		 June 12, 1886
Blanca Statutory town Costilla 322385−16.36% 1.833 sq mi
4.747 km2  		 175.7/sq mi
67.8/km2  		 May 18, 1910
Blue River Statutory town Summit 877849+3.30% 2.463 sq mi
6.379 km2  		 356/sq mi
137/km2  		 1964
Bonanza Statutory town Saguache 1716+6.25% 0.437 sq mi
1.133 km2  		 38.9/sq mi
15.0/km2  		 January 13, 1881[n]
Boone Statutory town Pueblo 305339−10.03% 0.379 sq mi
0.981 km2  		 805/sq mi
311/km2  		 September 22, 1956
Boulder†[o][p] Home rule city Boulder 108,25097,385+11.16% 26.327 sq mi
68.188 km2  		 4112/sq mi
1,588/km2  		 November 4, 1871[q]
Bow Mar Statutory town Arapahoe,
Jefferson		 853866−1.50% 0.662 sq mi
1.714 km2  		 1289/sq mi
498/km2  		 August 1958
Branson Statutory town Las Animas 5774−22.97% 0.245 sq mi
0.634 km2  		 232.9/sq mi
89.9/km2  		 March 26, 1921
Breckenridge†[r][s] Home rule town Summit 5,0784,540+11.85% 6.047 sq mi
15.661 km2  		 840/sq mi
324/km2  		 March 3, 1880
Brighton†[t] Home rule city Adams,[u]
Weld		 40,08333,352+20.18% 21.247 sq mi
55.030 km2  		 1887/sq mi
728/km2  		 September 1, 1887
Brookside Statutory town Fremont 236233+1.29% 0.474 sq mi
1.227 km2  		 498/sq mi
192/km2  		 1913
Broomfield†[v] Consolidated city and county Broomfield[w] 74,11255,889+32.61% 32.968 sq mi
85.387 km2  		 2248/sq mi
868/km2  		 June 6, 1961[x]
Brush Statutory city Morgan 5,3395,463−2.27% 2.831 sq mi
7.331 km2  		 1886/sq mi
728/km2  		 November 24, 1884
Buena Vista[y][16] Statutory town Chaffee 2,8552,617+9.09% 3.452 sq mi
8.942 km2  		 827/sq mi
319/km2  		 November 8, 1879
Burlington†[z] Home rule city Kit Carson 3,1724,254−25.43% 2.152 sq mi
5.575 km2  		 1474/sq mi
569/km2  		 January 12, 1888
Calhan Statutory town El Paso 762780−2.31% 0.828 sq mi
2.144 km2  		 921/sq mi
355/km2  		 May 10, 1919
Campo Statutory town Baca 103109−5.50% 0.144 sq mi
0.374 km2  		 713/sq mi
275/km2  		 March 6, 1950
Cañon City†[aa][ab] Home rule city Fremont 17,14116,400+4.52% 12.392 sq mi
32.095 km2  		 1383/sq mi
534/km2  		 April 3, 1872
Carbonate[ac] Statutory town Garfield 00NA 0.992 sq mi
2.569 km2  		 0/sq mi
0/km2  		 April 13, 1883
Carbondale Home rule town Garfield 6,4346,427+0.11% 2.022 sq mi
5.237 km2  		 3182/sq mi
1,229/km2  		 April 26, 1888
Castle Pines Home rule city Douglas 11,03610,360+6.53% 9.594 sq mi
24.849 km2  		 1150/sq mi
444/km2  		 November 6, 2007[ad]
Castle Rock†[ae] Home rule town Douglas 73,15848,231+51.68% 34.290 sq mi
88.811 km2  		 2134/sq mi
824/km2  		 May 17, 1881
Cedaredge Home rule town Delta 2,2792,253+1.15% 1.961 sq mi
5.078 km2  		 1162/sq mi
449/km2  		 May 2, 1907
Centennial[af] Home rule city Arapahoe 108,418100,377+8.01% 29.721 sq mi
76.976 km2  		 3648/sq mi
1,408/km2  		 February 7, 2001
Center Statutory town Saguache,
Rio Grande		 1,9292,230−13.50% 0.864 sq mi
2.238 km2  		 2232/sq mi
862/km2  		 January 18, 1907
Central City†[ag] Home rule city Gilpin,[ah]
Clear Creek		 779663+17.50% 2.160 sq mi
5.594 km2  		 361/sq mi
139/km2  		 June 12, 1886
Cheraw Statutory town Otero 237252−5.95% 0.180 sq mi
0.467 km2  		 1314/sq mi
507/km2  		 April 17, 1917
Cherry Hills Village Home rule city Arapahoe 6,4425,987+7.60% 6.201 sq mi
16.061 km2  		 1039/sq mi
401/km2  		 July 19, 1945
Cheyenne Wells†[ai] Statutory town Cheyenne 758846−10.40% 1.070 sq mi
2.770 km2  		 709/sq mi
274/km2  		 May 14, 1890
Coal Creek[aj] Statutory town Fremont 364343+6.12% 1.194 sq mi
3.092 km2  		 305/sq mi
118/km2  		 February 11, 1882
Cokedale Statutory town Las Animas 127129−1.55% 0.205 sq mi
0.531 km2  		 619/sq mi
239/km2  		 March 15, 1948
Collbran Statutory town Mesa 369708−47.88% 0.558 sq mi
1.446 km2  		 661/sq mi
255/km2  		 July 22, 1908
Colorado Springs†[ak][al][am] Home rule city El Paso 478,961416,427+15.02% 195.399 sq mi
506.082 km2  		 2451/sq mi
946/km2  		 June 19, 1886
Columbine Valley Statutory town Arapahoe 1,5021,256+19.59% 0.982 sq mi
2.543 km2  		 1530/sq mi
591/km2  		 July 2, 1959
Commerce City Home rule city Adams 62,41845,913+35.95% 36.002 sq mi
93.246 km2  		 1734/sq mi
669/km2  		 December 18, 1952[an]
Cortez†[ao] Home rule city Montezuma 8,7668,482+3.35% 6.230 sq mi
16.136 km2  		 1407/sq mi
543/km2  		 November 10, 1902
Craig†[ap][aq] Home rule city Moffat 9,0609,464−4.27% 5.073 sq mi
13.138 km2  		 1786/sq mi
690/km2  		 July 15, 1908
Crawford Statutory town Delta 403431−6.50% 0.251 sq mi
0.651 km2  		 1603/sq mi
619/km2  		 December 19, 1910
Creede†[ar] Statutory town Mineral 257290−11.38% 0.950 sq mi
2.460 km2  		 271/sq mi
104/km2  		 May 19, 1892
Crested Butte Home rule town Gunnison 1,6391,487+10.22% 0.836 sq mi
2.166 km2  		 1960/sq mi
757/km2  		 July 15, 1880
Crestone Statutory town Saguache 141127+11.02% 0.385 sq mi
0.996 km2  		 367/sq mi
142/km2  		 January 24, 1902
Cripple Creek†[as] Statutory city Teller 1,1551,189−2.86% 1.522 sq mi
3.941 km2  		 759/sq mi
293/km2  		 June 9, 1892
Crook Statutory town Logan 133110+20.91% 0.135 sq mi
0.349 km2  		 987/sq mi
381/km2  		 September 23, 1918
Crowley Statutory town Crowley 166176−5.68% 0.225 sq mi
0.584 km2  		 736/sq mi
284/km2  		 October 10, 1921
Dacono Home rule city Weld 6,2974,152+51.66% 8.790 sq mi
22.766 km2  		 716/sq mi
277/km2  		 September 23, 1908
De Beque Statutory town Mesa 493504−2.18% 2.727 sq mi
7.063 km2  		 180.8/sq mi
69.8/km2  		 January 18, 1890
Deer Trail Statutory town Arapahoe 1,068546+95.60% 1.175 sq mi
3.044 km2  		 909/sq mi
351/km2  		 February 3, 1920
Del Norte†[at] Statutory town Rio Grande 1,4581,686−13.52% 0.983 sq mi
2.547 km2  		 1483/sq mi
572/km2  		 November 15, 1895
Delta†[au] Home rule city Delta 9,0358,915+1.35% 13.274 sq mi
34.378 km2  		 681/sq mi
263/km2  		 October 24, 1882
Denver #[av][aw][ax][ay] Consolidated city and county Denver[az] 715,522600,158+19.22% 153.075 sq mi
396.463 km2  		 4674/sq mi
1,805/km2  		 December 3, 1859
Dillon Home rule town Summit 1,064904+17.70% 1.494 sq mi
3.869 km2  		 712/sq mi
275/km2  		 January 26, 1883
Dinosaur Statutory town Moffat 243339−28.32% 0.930 sq mi
2.408 km2  		 261/sq mi
101/km2  		 December 18, 1947[ba]
Dolores Statutory town Montezuma 885936−5.45% 0.664 sq mi
1.721 km2  		 1332/sq mi
514/km2  		 July 19, 1900
Dove Creek†[bb] Statutory town Dolores 635735−13.61% 0.572 sq mi
1.483 km2  		 1109/sq mi
428/km2  		 June 15, 1939
Durango†[bc][bd] Home rule city La Plata 19,07116,887+12.93% 14.708 sq mi
38.093 km2  		 1297/sq mi
501/km2  		 April 27, 1881
Eads†[be] Statutory town Kiowa 672609+10.34% 0.478 sq mi
1.237 km2  		 1407/sq mi
543/km2  		 January 29, 1916
Eagle†[bf] Home rule town Eagle 7,5116,508+15.41% 5.641 sq mi
14.611 km2  		 1331/sq mi
514/km2  		 April 5, 1905
Eaton Statutory town Weld 5,8024,365+32.92% 3.160 sq mi
8.185 km2  		 1836/sq mi
709/km2  		 December 5, 1892
Eckley Statutory town Yuma 232257−9.73% 0.473 sq mi
1.225 km2  		 491/sq mi
189/km2  		 June 16, 1920
Edgewater Home rule city Jefferson 5,0055,170−3.19% 0.695 sq mi
1.799 km2  		 7206/sq mi
2,782/km2  		 November 5, 1904
Elizabeth Statutory town Elbert 1,6751,358+23.34% 1.999 sq mi
5.178 km2  		 838/sq mi
323/km2  		 October 9, 1890
Empire Statutory town Clear Creek 345282+22.34% 0.269 sq mi
0.695 km2  		 1286/sq mi
496/km2  		 April 12, 1882
Englewood Home rule city Arapahoe 33,65930,255+11.25% 6.564 sq mi
17.002 km2  		 5127/sq mi
1,980/km2  		 May 9, 1903
Erie Home rule town Weld,
Boulder		 30,03818,135+65.64% 19.737 sq mi
51.118 km2  		 1522/sq mi
588/km2  		 November 16, 1874
Estes Park Statutory town Larimer 5,9045,858+0.79% 6.822 sq mi
17.668 km2  		 865/sq mi
334/km2  		 April 17, 1917
Evans[bg] Home rule city Weld 22,16518,537+19.57% 10.182 sq mi
26.372 km2  		 2177/sq mi
840/km2  		 November 15, 1885
Fairplay†[bh] Statutory town Park 724679+6.63% 1.147 sq mi
2.971 km2  		 631/sq mi
244/km2  		 November 15, 1872
Federal Heights Home rule city Adams 14,38211,467+25.42% 1.776 sq mi
4.599 km2  		 8099/sq mi
3,127/km2  		 May 19, 1940
Firestone Statutory town Weld 16,38110,147+61.44% 13.568 sq mi
35.141 km2  		 1207/sq mi
466/km2  		 October 8, 1908
Flagler Statutory town Kit Carson 567561+1.07% 1.370 sq mi
3.547 km2  		 414/sq mi
160/km2  		 November 2, 1916
Fleming Statutory town Logan 428408+4.90% 0.489 sq mi
1.267 km2  		 875/sq mi
338/km2  		 May 5, 1917
Florence Statutory city Fremont 3,8223,881−1.52% 4.276 sq mi
11.076 km2  		 894/sq mi
345/km2  		 September 13, 1887
Fort Collins†[bi][bj] Home rule city Larimer 169,810143,986+17.94% 57.212 sq mi
148.179 km2  		 2968/sq mi
1,146/km2  		 February 12, 1883
Fort Lupton Statutory city Weld 7,9557,377+7.84% 12.146 sq mi
31.459 km2  		 655/sq mi
253/km2  		 January 15, 1890
Fort Morgan†[bk][bl] Home rule city Morgan 11,59711,315+2.49% 5.334 sq mi
13.815 km2  		 2174/sq mi
839/km2  		 June 15, 1887
Fountain Home rule city El Paso 29,80225,846+15.31% 22.501 sq mi
58.277 km2  		 1324/sq mi
511/km2  		 April 23, 1903
Fowler Statutory town Otero 1,2531,182+6.01% 0.559 sq mi
1.448 km2  		 2241/sq mi
865/km2  		 August 25, 1900
Foxfield Statutory town Arapahoe 754685+10.07% 1.323 sq mi
3.427 km2  		 570/sq mi
220/km2  		 December 15, 1994
Fraser Statutory town Grand 1,4001,224+14.38% 3.457 sq mi
8.953 km2  		 405/sq mi
156/km2  		 June 15, 1953
Frederick Statutory town Weld 14,5138,679+67.22% 15.096 sq mi
39.099 km2  		 961/sq mi
371/km2  		 September 9, 1908
Frisco Home rule town Summit 2,9132,683+8.57% 1.672 sq mi
4.331 km2  		 1742/sq mi
673/km2  		 December 3, 1880
Fruita Home rule city Mesa 13,39512,646+5.92% 7.892 sq mi
20.439 km2  		 1697/sq mi
655/km2  		 April 18, 1894
Garden City Statutory town Weld 254234+8.55% 0.113 sq mi
0.292 km2  		 2253/sq mi
870/km2  		 September 14, 1936
Genoa Statutory town Lincoln 153139+10.07% 0.310 sq mi
0.804 km2  		 493/sq mi
190/km2  		 July 27, 1905
Georgetown†[bm] Territorial charter municipality Clear Creek 1,1181,034+8.12% 0.997 sq mi
2.583 km2  		 1121/sq mi
433/km2  		 January 28, 1868
Gilcrest Statutory town Weld 1,0291,034−0.48% 0.811 sq mi
2.100 km2  		 1269/sq mi
490/km2  		 March 18, 1912
Glendale Home rule city Arapahoe 4,6134,184+10.25% 0.568 sq mi
1.472 km2  		 8117/sq mi
3,134/km2  		 May 19, 1952
Glenwood Springs†[bn] Home rule city Garfield 9,9639,614+3.63% 5.835 sq mi
15.114 km2  		 1707/sq mi
659/km2  		 September 4, 1885
Golden†[bo] Home rule city Jefferson 20,39918,867+8.12% 9.634 sq mi
24.953 km2  		 2117/sq mi
817/km2  		 January 2, 1871[bp]
Granada Statutory town Prowers 445517−13.93% 0.685 sq mi
1.775 km2  		 649/sq mi
251/km2  		 July 25, 1887
Granby Statutory town Grand 2,0791,864+11.53% 12.681 sq mi
32.845 km2  		 163.9/sq mi
63.3/km2  		 December 11, 1905
Grand Junction†[bq][br] Home rule city Mesa 65,56058,566+11.94% 39.634 sq mi
102.652 km2  		 1654/sq mi
639/km2  		 July 22, 1882
Grand Lake[bs] Statutory town Grand 410471−12.95% 1.032 sq mi
2.672 km2  		 397/sq mi
153/km2  		 June 23, 1944
Greeley†[bt][bu] Home rule city Weld 108,79592,889+17.12% 48.933 sq mi
126.735 km2  		 2223/sq mi
858/km2  		 November 15, 1885
Green Mountain Falls Statutory town El Paso,
Teller		 646640+0.94% 1.099 sq mi
2.847 km2  		 588/sq mi
227/km2  		 August 19, 1880
Greenwood Village Home rule city Arapahoe 15,69113,925+12.68% 8.267 sq mi
21.412 km2  		 1898/sq mi
733/km2  		 September 19, 1950
Grover Statutory town Weld 157137+14.60% 0.595 sq mi
1.542 km2  		 264/sq mi
102/km2  		 October 6, 1916
Gunnison†[bv] Home rule city Gunnison 6,5605,854+12.06% 4.849 sq mi
12.558 km2  		 1353/sq mi
522/km2  		 March 1, 1880
Gypsum Home rule town Eagle 8,0406,477+24.13% 8.851 sq mi
22.924 km2  		 908/sq mi
351/km2  		 November 25, 1911
Haswell Statutory town Kiowa 7168+4.41% 0.803 sq mi
2.079 km2  		 88.5/sq mi
34.2/km2  		 September 2, 1920
Haxtun Statutory town Phillips 981946+3.70% 0.595 sq mi
1.542 km2  		 1648/sq mi
636/km2  		 July 30, 1909
Hayden[bw] Home rule town Routt 1,9411,810+7.24% 3.278 sq mi
8.490 km2  		 592/sq mi
229/km2  		 May 5, 1906
Hillrose Statutory town Morgan 312264+18.18% 0.189 sq mi
0.488 km2  		 1656/sq mi
639/km2  		 May 20, 1919
Holly Statutory town Prowers 837802+4.36% 0.723 sq mi
1.874 km2  		 1157/sq mi
447/km2  		 September 4, 1903
Holyoke†[bx] Home rule city Phillips 2,3462,313+1.43% 2.470 sq mi
6.396 km2  		 950/sq mi
367/km2  		 May 31, 1888
Hooper Statutory town Alamosa 81103−21.36% 0.252 sq mi
0.653 km2  		 321/sq mi
124/km2  		 May 20, 1898
Hot Sulphur Springs†[by] Statutory town Grand 687663+3.62% 0.769 sq mi
1.992 km2  		 893/sq mi
345/km2  		 April 1, 1903
Hotchkiss Statutory town Delta 875944−7.31% 0.926 sq mi
2.399 km2  		 945/sq mi
365/km2  		 March 14, 1901
Hudson Statutory town Weld 1,6512,356−29.92% 5.896 sq mi
15.271 km2  		 280/sq mi
108/km2  		 April 2, 1914
Hugo†[bz] Statutory town Lincoln 787730+7.81% 0.912 sq mi
2.362 km2  		 863/sq mi
333/km2  		 June 21, 1909
Idaho Springs[ca] Statutory city Clear Creek 1,7821,717+3.79% 2.253 sq mi
5.835 km2  		 791/sq mi
305/km2  		 November 15, 1885
Ignacio[16][cb] Statutory town La Plata 852697+22.24% 0.512 sq mi
1.325 km2  		 1665/sq mi
643/km2  		 July 7, 1913
Iliff Statutory town Logan 246266−7.52% 0.191 sq mi
0.495 km2  		 1287/sq mi
497/km2  		 February 20, 1906
Jamestown Statutory town Boulder 256274−6.57% 0.575 sq mi
1.489 km2  		 445/sq mi
172/km2  		 June 22, 1883
Johnstown Home rule town Weld,
Larimer		 17,3039,887+75.01% 13.792 sq mi
35.722 km2  		 1255/sq mi
484/km2  		 May 13, 1907
Julesburg†[cc] Statutory town Sedgwick 1,3071,225+6.69% 1.512 sq mi
3.916 km2  		 864/sq mi
334/km2  		 November 18, 1886
Keenesburg Statutory town Weld 1,2501,127+10.91% 7.540 sq mi
19.529 km2  		 165.8/sq mi
64.0/km2  		 June 4, 1919
Kersey Statutory town Weld 1,4951,454+2.82% 2.022 sq mi
5.236 km2  		 740/sq mi
286/km2  		 December 3, 1908
Keystone[cd] Home rule town Summit 1,3691,079+26.88% 41.402 sq mi
107.230 km2  		 33.1/sq mi
12.8/km2  		 February 8, 2024
Kim Statutory town Las Animas 6374−14.86% 0.379 sq mi
0.981 km2  		 166.3/sq mi
64.2/km2  		 1910
Kiowa†[ce] Home rule town Elbert 725723+0.28% 0.862 sq mi
2.231 km2  		 842/sq mi
325/km2  		 December 30, 1912
Kit Carson[cf] Statutory town Cheyenne 255233+9.44% 0.584 sq mi
1.513 km2  		 437/sq mi
169/km2  		 July 13, 1931
Kremmling Statutory town Grand 1,5091,444+4.50% 1.308 sq mi
3.389 km2  		 1153/sq mi
445/km2  		 May 14, 1904
La Jara Statutory town Conejos 730818−10.76% 0.408 sq mi
1.056 km2  		 1790/sq mi
691/km2  		 November 11, 1910
La Junta†[cg] Home rule city Otero 7,3227,077+3.46% 3.186 sq mi
8.252 km2  		 2298/sq mi
887/km2  		 April 23, 1881
La Veta Statutory town Huerfano 862800+7.75% 1.367 sq mi
3.539 km2  		 631/sq mi
244/km2  		 June 16, 1886
Lafayette Home rule city Boulder 30,41124,453+24.37% 9.223 sq mi
23.888 km2  		 3297/sq mi
1,273/km2  		 January 6, 1890
Lake City†[ch] Statutory town Hinsdale 432408+5.88% 0.828 sq mi
2.144 km2  		 522/sq mi
201/km2  		 September 19, 1884
Lakeside[ci] Statutory town Jefferson 168+100.00% 0.188 sq mi
0.486 km2  		 85.3/sq mi
32.9/km2  		 November 25, 1907
Lakewood Home rule city Jefferson 155,984142,980+9.09% 43.473 sq mi
112.595 km2  		 3588/sq mi
1,385/km2  		 June 24, 1969
Lamar†[cj] Home rule city Prowers 7,6877,804−1.50% 5.212 sq mi
13.500 km2  		 1475/sq mi
569/km2  		 December 5, 1886
Larkspur Home rule town Douglas 206183+12.57% 1.591 sq mi
4.120 km2  		 129.5/sq mi
50.0/km2  		 1979
Las Animas†[ck] Statutory city Bent 2,3002,410−4.56% 1.626 sq mi
4.212 km2  		 1414/sq mi
546/km2  		 May 15, 1886
LaSalle Statutory town Weld 2,3591,955+20.66% 0.958 sq mi
2.480 km2  		 2464/sq mi
951/km2  		 1910[cl]
Leadville†[cm] Statutory city Lake 2,6332,602+1.19% 1.174 sq mi
3.039 km2  		 2244/sq mi
866/km2  		 February 18, 1878
Limon Statutory town Lincoln 2,0431,880+8.67% 3.162 sq mi
8.190 km2  		 646/sq mi
249/km2  		 November 18, 1909
Littleton†[cn] Home rule city Arapahoe,[co]
Jefferson,
Douglas		 45,65241,737+9.38% 12.629 sq mi
32.709 km2  		 3615/sq mi
1,396/km2  		 March 13, 1890
Lochbuie Statutory town Weld,
Adams		 8,0884,726+71.14% 3.685 sq mi
9.543 km2  		 2195/sq mi
848/km2  		 May 1974
Log Lane Village Statutory town Morgan 913873+4.58% 0.196 sq mi
0.508 km2  		 4655/sq mi
1,797/km2  		 June 12, 1956
Lone Tree Home rule city Douglas 14,25310,218+39.49% 9.808 sq mi
25.403 km2  		 1453/sq mi
561/km2  		 November 1995
Longmont Home rule city Boulder,
Weld		 98,88586,270+14.62% 28.778 sq mi
74.536 km2  		 3436/sq mi
1,327/km2  		 November 15, 1885
Louisville[16] Home rule city Boulder 21,22618,376+15.51% 7.964 sq mi
20.626 km2  		 2665/sq mi
1,029/km2  		 June 3, 1882
Loveland[cp] Home rule city Larimer 76,37866,859+14.24% 34.419 sq mi
89.146 km2  		 2219/sq mi
857/km2  		 April 30, 1881
Lyons Statutory town Boulder 2,2092,033+8.66% 1.349 sq mi
3.493 km2  		 1638/sq mi
632/km2  		 April 10, 1891
Manassa Statutory town Conejos 947991−4.44% 0.931 sq mi
2.412 km2  		 1017/sq mi
393/km2  		 June 6, 1889
Mancos Statutory town Montezuma 1,1961,336−10.48% 0.642 sq mi
1.662 km2  		 1864/sq mi
720/km2  		 November 30, 1894
Manitou Springs Home rule city El Paso 4,8584,992−2.68% 3.149 sq mi
8.157 km2  		 1542/sq mi
596/km2  		 January 25, 1888
Manzanola Statutory town Otero 341434−21.43% 0.284 sq mi
0.736 km2  		 1200/sq mi
463/km2  		 July 9, 1900
Marble Statutory town Gunnison 133131+1.53% 0.360 sq mi
0.932 km2  		 370/sq mi
143/km2  		 1899
Mead Statutory town Weld 4,7813,405+40.41% 13.001 sq mi
33.672 km2  		 368/sq mi
142/km2  		 March 17, 1908
Meeker†[cq] Statutory town Rio Blanco 2,3742,475−4.08% 3.589 sq mi
9.295 km2  		 661/sq mi
255/km2  		 November 10, 1885
Merino Statutory town Logan 281284−1.06% 0.152 sq mi
0.393 km2  		 1852/sq mi
715/km2  		 January 4, 1917
Milliken Statutory town Weld 8,3865,610+49.48% 12.815 sq mi
33.191 km2  		 654/sq mi
253/km2  		 October 1, 1910
Minturn Home rule town Eagle 1,0331,027+0.58% 8.018 sq mi
20.766 km2  		 128.8/sq mi
49.7/km2  		 November 23, 1904
Moffat Statutory town Saguache 108116−6.90% 1.666 sq mi
4.314 km2  		 64.8/sq mi
25.0/km2  		 April 20, 1911
Monte Vista Home rule city Rio Grande 4,2474,444−4.43% 2.633 sq mi
6.820 km2  		 1613/sq mi
623/km2  		 September 27, 1886
Montezuma Statutory town Summit 7465+13.85% 0.079 sq mi
0.205 km2  		 935/sq mi
361/km2  		 1882
Montrose†[cr][cs] Home rule city Montrose 20,29119,132+6.06% 18.477 sq mi
47.854 km2  		 1098/sq mi
424/km2  		 May 1, 1882
Monument Home rule town El Paso 10,3995,530+88.05% 6.843 sq mi
17.724 km2  		 1520/sq mi
587/km2  		 May 14, 1881
Morrison Home rule town Jefferson 396428−7.48% 1.645 sq mi
4.260 km2  		 240.8/sq mi
93.0/km2  		 January 29, 1906
Mount Crested Butte Home rule town Gunnison 941801+17.48% 2.068 sq mi
5.355 km2  		 455/sq mi
176/km2  		 1973
Mountain View Home rule town Jefferson 541507+6.71% 0.093 sq mi
0.241 km2  		 5814/sq mi
2,245/km2  		 October 11, 1904
Mountain Village Home rule town San Miguel 1,2641,320−4.24% 3.300 sq mi
8.547 km2  		 383/sq mi
148/km2  		 March 10, 1995
Naturita Statutory town Montrose 485546−11.17% 0.615 sq mi
1.594 km2  		 788/sq mi
304/km2  		 November 30, 1951
Nederland Statutory town Boulder 1,4711,445+1.80% 1.480 sq mi
3.833 km2  		 994/sq mi
384/km2  		 November 15, 1885
New Castle Home rule town Garfield 4,9234,518+8.96% 2.517 sq mi
6.520 km2  		 1956/sq mi
755/km2  		 March 27, 1890
Northglenn Home rule city Adams,
Weld		 38,13135,789+6.54% 7.359 sq mi
19.058 km2  		 5182/sq mi
2,001/km2  		 April 19, 1969
Norwood Statutory town San Miguel 535518+3.28% 0.283 sq mi
0.733 km2  		 1890/sq mi
730/km2  		 August 20, 1903
Nucla Statutory town Montrose 585711−17.72% 0.694 sq mi
1.797 km2  		 843/sq mi
326/km2  		 March 14, 1915
Nunn Statutory town Weld 504416+21.15% 3.964 sq mi
10.267 km2  		 127.1/sq mi
49.1/km2  		 March 28, 1908
Oak Creek Statutory town Routt 889884+0.57% 0.356 sq mi
0.922 km2  		 2497/sq mi
964/km2  		 December 26, 1907
Olathe Statutory town Montrose 2,0191,849+9.19% 1.502 sq mi
3.890 km2  		 1344/sq mi
519/km2  		 October 16, 1907
Olney Springs Statutory town Crowley 315345−8.70% 0.241 sq mi
0.623 km2  		 1310/sq mi
506/km2  		 May 27, 1912
Ophir Home rule town San Miguel 197159+23.90% 0.235 sq mi
0.609 km2  		 838/sq mi
323/km2  		 1881
Orchard City Statutory town Delta 3,1423,119+0.74% 11.521 sq mi
29.840 km2  		 273/sq mi
105/km2  		 May 25, 1912
Ordway†[ct] Statutory town Crowley 1,0661,080−1.30% 0.771 sq mi
1.998 km2  		 1382/sq mi
534/km2  		 September 4, 1900
Otis Statutory town Washington 511475+7.58% 0.413 sq mi
1.070 km2  		 1237/sq mi
478/km2  		 March 27, 1917
Ouray†[cu] Home rule city Ouray 8981,000−10.20% 0.863 sq mi
2.234 km2  		 1041/sq mi
402/km2  		 March 24, 1884
Ovid Statutory town Sedgwick 271318−14.78% 0.156 sq mi
0.403 km2  		 1742/sq mi
672/km2  		 December 21, 1925
Pagosa Springs†[cv] Home rule town Archuleta 1,5711,727−9.03% 5.033 sq mi
13.036 km2  		 312/sq mi
121/km2  		 March 18, 1891
Palisade Statutory town Mesa 2,5652,692−4.72% 1.188 sq mi
3.078 km2  		 2158/sq mi
833/km2  		 April 4, 1904
Palmer Lake Statutory town El Paso 2,6362,420+8.93% 3.049 sq mi
7.896 km2  		 865/sq mi
334/km2  		 March 12, 1889
Paoli Statutory town Phillips 5134+50.00% 0.296 sq mi
0.766 km2  		 172.4/sq mi
66.6/km2  		 August 6, 1930
Paonia Statutory town Delta 1,4471,451−0.28% 0.821 sq mi
2.127 km2  		 1762/sq mi
680/km2  		 September 3, 1902
Parachute Home rule town Garfield 1,3901,085+28.11% 1.806 sq mi
4.679 km2  		 769/sq mi
297/km2  		 April 1, 1908[cw]
Parker Home rule town Douglas 58,51245,297+29.17% 22.335 sq mi
57.847 km2  		 2620/sq mi
1,011/km2  		 May 1981
Peetz Statutory town Logan 213238−10.50% 0.223 sq mi
0.578 km2  		 954/sq mi
369/km2  		 May 17, 1917
Pierce Statutory town Weld 1,097834+31.53% 1.858 sq mi
4.812 km2  		 590/sq mi
228/km2  		 August 30, 1918
Pitkin Statutory town Gunnison 7266+9.09% 0.258 sq mi
0.668 km2  		 279/sq mi
108/km2  		 April 5, 1880
Platteville Statutory town Weld 2,9552,485+18.91% 3.073 sq mi
7.960 km2  		 961/sq mi
371/km2  		 January 1, 1887
Poncha Springs Statutory town Chaffee 925737+25.51% 2.984 sq mi
7.729 km2  		 310/sq mi
120/km2  		 December 16, 1880
Pritchett Statutory town Baca 112140−20.00% 0.233 sq mi
0.604 km2  		 480/sq mi
185/km2  		 1923
Pueblo†[cx][cy] Home rule city Pueblo 111,876106,595+4.95% 55.382 sq mi
143.439 km2  		 2020/sq mi
780/km2  		 November 15, 1885
Ramah Statutory town El Paso 111123−9.76% 0.246 sq mi
0.637 km2  		 451/sq mi
174/km2  		 July 18, 1927
Rangely Statutory town Rio Blanco 2,2992,365−2.79% 4.304 sq mi
11.148 km2  		 534/sq mi
206/km2  		 August 27, 1946
Raymer[cz] Statutory town Weld 11096+14.58% 0.784 sq mi
2.031 km2  		 140.3/sq mi
54.2/km2  		 1919
Red Cliff[da] Statutory town Eagle 257267−3.75% 0.244 sq mi
0.632 km2  		 1053/sq mi
407/km2  		 December 18, 1880
Rico[db] Home rule town Dolores 288265+8.68% 0.678 sq mi
1.757 km2  		 425/sq mi
164/km2  		 February 25, 1880
Ridgway Home rule town Ouray 1,183924+28.03% 1.848 sq mi
4.787 km2  		 640/sq mi
247/km2  		 April 2, 1891
Rifle[dc] Home rule city Garfield 10,4379,172+13.79% 7.034 sq mi
18.219 km2  		 1484/sq mi
573/km2  		 August 18, 1905
Rockvale Statutory town Fremont 511487+4.93% 2.040 sq mi
5.283 km2  		 250.5/sq mi
96.7/km2  		 September 30, 1886
Rocky Ford Statutory city Otero 3,8763,957−2.05% 1.679 sq mi
4.348 km2  		 2309/sq mi
891/km2  		 August 19, 1887
Romeo Statutory town Conejos 302404−25.25% 0.233 sq mi
0.604 km2  		 1295/sq mi
500/km2  		 September 4, 1923
Rye Statutory town Pueblo 206153+34.64% 0.094 sq mi
0.244 km2  		 2187/sq mi
844/km2  		 November 22, 1937
Saguache†[dd][de][16] Statutory town Saguache[de] 539485+11.13% 0.394 sq mi
1.021 km2  		 1367/sq mi
528/km2  		 August 13, 1891
Salida†[df] Statutory city Chaffee 5,6665,236+8.21% 2.792 sq mi
7.230 km2  		 2030/sq mi
784/km2  		 March 23, 1891
San Luis†[dg] Statutory town Costilla 598629−4.93% 0.567 sq mi
1.468 km2  		 1055/sq mi
407/km2  		 1885
Sanford Home rule town Conejos 8798790.00% 1.460 sq mi
3.782 km2  		 602/sq mi
232/km2  		 April 9, 1907
Sawpit Statutory town San Miguel 3840−5.00% 0.030 sq mi
0.078 km2  		 1262/sq mi
487/km2  		 1896
Sedgwick Statutory town Sedgwick 172146+17.81% 0.389 sq mi
1.008 km2  		 442/sq mi
171/km2  		 January 28, 1918
Seibert Statutory town Kit Carson 172181−4.97% 0.343 sq mi
0.888 km2  		 502/sq mi
194/km2  		 June 21, 1917
Severance Statutory town Weld 7,6833,165+142.75% 9.098 sq mi
23.563 km2  		 844/sq mi
326/km2  		 November 20, 1920
Sheridan Home rule city Arapahoe 6,1055,664+7.79% 2.223 sq mi
5.758 km2  		 2746/sq mi
1,060/km2  		 April 1, 1890
Sheridan Lake[dh] Statutory town Kiowa 5588−37.50% 0.311 sq mi
0.804 km2  		 177.2/sq mi
68.4/km2  		 June 11, 1951
Silt Home rule town Garfield 3,5362,930+20.68% 1.655 sq mi
4.287 km2  		 2136/sq mi
825/km2  		 May 19, 1915
Silver Cliff[di] Statutory town Custer 609587+3.75% 15.458 sq mi
40.035 km2  		 39.4/sq mi
15.2/km2  		 February 10, 1879
Silver Plume Home rule town Clear Creek 207170+21.76% 0.259 sq mi
0.670 km2  		 800/sq mi
309/km2  		 September 24, 1880
Silverthorne Home rule town Summit 4,4023,887+13.25% 4.001 sq mi
10.363 km2  		 1100/sq mi
425/km2  		 September 5, 1967
Silverton†[dj] Statutory town San Juan 622637−2.35% 0.835 sq mi
2.162 km2  		 745/sq mi
288/km2  		 November 15, 1885
Simla Statutory town Elbert 601618−2.75% 0.616 sq mi
1.596 km2  		 975/sq mi
377/km2  		 January 15, 1913
Snowmass Village Home rule town Pitkin 3,0962,826+9.55% 27.782 sq mi
71.955 km2  		 111.4/sq mi
43.0/km2  		 1977
South Fork Statutory town Rio Grande 510386+32.12% 2.498 sq mi
6.470 km2  		 204.2/sq mi
78.8/km2  		 May 19, 1992
Springfield†[dk] Statutory town Baca 1,3251,451−8.68% 1.126 sq mi
2.917 km2  		 1176/sq mi
454/km2  		 January 16, 1889
Starkville Statutory town Las Animas 6259+5.08% 0.073 sq mi
0.189 km2  		 850/sq mi
328/km2  		 March 2, 1954
Steamboat Springs†[dl][dm] Home rule city Routt 13,22412,088+9.40% 9.888 sq mi
25.609 km2  		 1337/sq mi
516/km2  		 July 19, 1900
Sterling†[dn][do] Home rule city Logan 13,73514,777−7.05% 7.583 sq mi
19.641 km2  		 1811/sq mi
699/km2  		 December 3, 1884
Stratton Statutory town Kit Carson 656658−0.30% 0.514 sq mi
1.331 km2  		 1277/sq mi
493/km2  		 April 15, 1917
Sugar City Statutory town Crowley 259258+0.39% 0.385 sq mi
0.997 km2  		 673/sq mi
260/km2  		 July 2, 1900
Superior Statutory town Boulder,
Jefferson		 13,09412,483+4.89% 3.933 sq mi
10.186 km2  		 3329/sq mi
1,285/km2  		 June 10, 1904
Swink Statutory town Otero 604617−2.11% 0.280 sq mi
0.725 km2  		 2158/sq mi
833/km2  		 June 6, 1906
Telluride†[dp] Home rule town San Miguel 2,6072,325+12.13% 2.222 sq mi
5.755 km2  		 1173/sq mi
453/km2  		 February 10, 1887[dq]
Thornton Home rule city Adams,
Weld		 141,867118,772+19.44% 35.924 sq mi
93.043 km2  		 3949/sq mi
1,525/km2  		 June 12, 1956
Timnath Home rule town Larimer 6,487625+937.92% 6.565 sq mi
17.004 km2  		 988/sq mi
381/km2  		 July 6, 1920
Trinidad†[dr] Home rule city Las Animas 8,3299,096−8.43% 9.385 sq mi
24.306 km2  		 888/sq mi
343/km2  		 December 30, 1879
Two Buttes Statutory town Baca 3443−20.93% 0.248 sq mi
0.642 km2  		 137.2/sq mi
53.0/km2  		 October 19, 1911
Vail Home rule town Eagle 4,8355,305−8.86% 4.706 sq mi
12.188 km2  		 1027/sq mi
397/km2  		 1966
Victor Statutory city Teller 379397−4.53% 0.287 sq mi
0.744 km2  		 1319/sq mi
509/km2  		 July 16, 1894
Vilas Statutory town Baca 98114−14.04% 0.128 sq mi
0.331 km2  		 767/sq mi
296/km2  		 June 25, 1888
Vona Statutory town Kit Carson 95106−10.38% 0.221 sq mi
0.573 km2  		 429/sq mi
166/km2  		 August 9, 1919
Walden†[ds] Statutory town Jackson 606608−0.33% 0.335 sq mi
0.868 km2  		 1808/sq mi
698/km2  		 December 2, 1890
Walsenburg†[dt] Statutory city Huerfano 3,0493,068−0.62% 2.990 sq mi
7.743 km2  		 1020/sq mi
394/km2  		 June 16, 1873
Walsh Statutory town Baca 543546−0.55% 0.447 sq mi
1.158 km2  		 1214/sq mi
469/km2  		 July 19, 1928
Ward Home rule town Boulder 128150−14.67% 0.536 sq mi
1.387 km2  		 239/sq mi
92.3/km2  		 June 9, 1896
Wellington Statutory town Larimer 11,0476,289+75.66% 3.630 sq mi
9.401 km2  		 3043/sq mi
1,175/km2  		 November 10, 1905
Westcliffe†[du] Statutory town Custer 435568−23.42% 1.235 sq mi
3.198 km2  		 352/sq mi
136/km2  		 November 21, 1887
Westminster Home rule city Adams,
Jefferson		 116,317106,114+9.62% 31.585 sq mi
81.806 km2  		 3683/sq mi
1,422/km2  		 May 24, 1911
Wheat Ridge Home rule city Jefferson 32,39830,166+7.40% 9.344 sq mi
24.200 km2  		 3467/sq mi
1,339/km2  		 August 20, 1969
Wiggins Statutory town Morgan 1,401893+56.89% 1.323 sq mi
3.426 km2  		 1059/sq mi
409/km2  		 October 11, 1974
Wiley Statutory town Prowers 437405+7.90% 0.311 sq mi
0.806 km2  		 1404/sq mi
542/km2  		 January 28, 1909
Williamsburg Statutory town Fremont 731662+10.42% 3.532 sq mi
9.148 km2  		 207/sq mi
79.9/km2  		 April 7, 1888
Windsor Home rule town Weld,
Larimer		 32,71618,644+75.48% 25.629 sq mi
66.379 km2  		 1277/sq mi
493/km2  		 April 15, 1890
Winter Park Home rule town Grand 1,033999+3.40% 16.889 sq mi
43.743 km2  		 61.2/sq mi
23.6/km2  		 September 1, 1979
Woodland Park Home rule city Teller 7,9207,200+10.00% 6.611 sq mi
17.123 km2  		 1198/sq mi
463/km2  		 June 6, 1891
Wray†[dv] Home rule city Yuma 2,3582,342+0.68% 3.479 sq mi
9.010 km2  		 678/sq mi
262/km2  		 June 22, 1906
Yampa Statutory town Routt 399429−6.99% 0.240 sq mi
0.622 km2  		 1661/sq mi
641/km2  		 February 25, 1907
Yuma[dw] Home rule city Yuma 3,4563,524−1.93% 3.172 sq mi
8.214 km2  		 1090/sq mi
421/km2  		 March 24, 1887
Active Colorado municipalities[c] 4,299,9423,671,234+17.13% 1,968 sq mi
5097 km2  		 2,185/sq mi
844/km2  
Close

Active municipalities in multiple counties

Twenty-one active Colorado municipalities currently extend into more than one county.[1]

More information Municipality, Counties ...
Colorado municipalities in multiple counties
Municipality[1] Counties[1] 2020 Census population[6]
Total by county %
Arvada Jefferson 124,402 121,510 98%
Adams 2,892 2%
Aurora Arapahoe 386,261 336,035 87%
Adams 47,720 12%
Douglas 2,506 1%
Basalt Eagle 3,984 2,917 73%
Pitkin 1,067 27%
Bennett Adams 2,862 2,443 85%
Arapahoe 419 15%
Berthoud Larimer 10,332 10,071 97%
Weld 261 3%
Bow Mar Arapahoe 853 587 69%
Jefferson 266 31%
Brighton† Adams[u] 40,083 39,718 99%
Weld 365 1%
Center Saguache 1,929 1,885 98%
Rio Grande 44 2%
Central City† Gilpin[ah] 779 779 100%
Clear Creek 0 0%
Erie Weld 30,038 17,387 58%
Boulder 12,651 42%
Green Mountain Falls El Paso 646 622 96%
Teller 24 4%
Johnstown Weld 17,303 12,547 73%
Larimer 4,756 27%
Littleton† Arapahoe[co] 45,652 42,702 94%
Jefferson 2,310 5%
Douglas 640 1%
Lochbuie Weld 8,088 8,087 99.99%
Adams 1 0.01%
Longmont Boulder 98,885 97,587 99%
Weld 1,298 1%
Northglenn Adams 38,131 38,106 99.93%
Weld 25 0.07%
Superior Boulder 13,094 13,094 100%
Jefferson 0 0%
Thornton Adams 141,867 141,867 100%
Weld 0 0%
Timnath Larimer 6,487 6,482 99.92%
Weld 5 0.08%
Westminster Adams 116,317 71,240 61%
Jefferson 45,077 39%
Windsor Weld 32,716 24,997 76%
Larimer 7,719 24%
Close

Former municipalities

The following sortable table is an incomplete list of municipalities formerly incorporated in the State of Colorado.

More information Municipality, Type of government ...
Formerly incorporated municipalities of Colorado
Municipality Type of government County Date incorporated Date deactivated
Acequia[dx] Statutory town Douglas 1885 November 14, 2007
Argo[dy] Statutory town Denver 1880 December 1, 1902
Barnum[dz] Statutory town Denver 1887 September 3, 1896
Berkeley[ea][dy][eb] Statutory town Denver June 1892 December 1, 1902
Boston[ec] Statutory town Summit NA 2005
Braddoks[ed][ec] Statutory town Summit NA 2005
Carbonateville[ec] Statutory town Summit NA 2005
Chihuahua[ee] Statutory town Summit NA August 22, 2013
Clinton City[ec] Statutory town Summit NA 2005
Colfax[ef] Statutory town Denver 1891 June 23, 1897
Colorado City[eg] Statutory city El Paso 1887 June 10, 1917
Conger's Camp[ec] Statutory town Summit NA 2005
Cow Camp[ec] Statutory town Summit NA 2005
Town of Creede[ar] Statutory town Mineral March 19, 1892 July 23, 2026
Critchell[eh] Statutory town Jefferson NA 2005
Crystal City[36] Statutory town Gunnison June 8, 1881 NA
Curtin[ec] Statutory town Summit NA 2005
Decatur[ec] Statutory town Summit NA 2005
Deckers[dx] Statutory town Douglas 1885 November 14, 2007
Delaware Flats[ec] Statutory town Summit NA 2005
Dickey[ec] Statutory town Summit NA 2005
Douglas[dx] Statutory town Douglas 1885 November 14, 2007
Dyersville[ec] Statutory town Summit NA 2005
Elyria[dy] Statutory town Denver August 2, 1890 December 1, 1902
Excelsior[ec] Statutory town Summit NA 2005
Farnham[ec] Statutory town Summit NA 2005
Frankstown[dx][ei] Statutory town Douglas 1885 November 14, 2007
Globeville[dy] Statutory town Denver 1891 December 1, 1902
Greenland[dx] Statutory town Douglas 1885 November 14, 2007
Harman[ej] Statutory town Denver 1886 February 20, 1895
Hartman[ek] Statutory town Prowers May 14, 1910 July 28, 2026
Highlands[el] Statutory town Denver April 8, 1875 July 24, 1896
Huntsville[em][dx] Statutory town Douglas NA November 14, 2007
Keota Statutory town Weld April 17, 1919 February 19, 1991
Keystone[ec][en] Statutory town Summit NA 2005
Kokomo[eo][ec] Statutory town Summit NA 2005
Lakeside[ci][ec] Statutory town Summit NA 2005
Lehigh[dx] Statutory town Douglas NA November 14, 2007
Lincoln[ec] Statutory town Summit NA 2005
Louviers[dx] Statutory town Douglas 1906 November 14, 2007
Masontown[ec] Statutory town Summit NA 2005
Montclair[dy][dy] Statutory town Denver 1888 December 1, 1902
Naomi[ec] Statutory town Summit NA 2005
Parkville[ec] Statutory town Summit NA 2005
Prospect Heights Statutory town Fremont May 31, 1905 June 24, 1994
Recen[ec] Statutory town Summit NA 2005
Rexford[ec] Statutory town Summit NA 2005
Robinson[ec] Statutory town Summit November 26, 1880 2005
Rosedale Statutory town Weld 1939 February 4, 1987
Russelville[dx] Statutory town Douglas NA November 14, 2007
Saints John[ep][ec] Statutory town Summit NA 2005
South Denver[eq] Statutory town Denver August 9, 1886 February 7, 1894
Swan City[ec] Statutory town Summit NA 2005
Swandyke[ec] Statutory town Summit NA 2005
Tiger[ec] Statutory town Summit NA 2005
Uneva Lake[ec] Statutory town Summit NA 2005
Valdoro[ec] Statutory town Summit NA 2005
Valverde[dy] Statutory town Denver 1899 December 1, 1902
Wapiti[ec] Statutory town Summit NA 2005
Watkins Home rule town Adams June 30, 2004 November 30, 2006
West Creek[er][dx] Statutory town Douglas NA November 14, 2007
Wheeler[ec] Statutory town Summit NA 2005
Close

See also

Notes

  1. [a]
    1. At the 2000 United States Census, the State of Colorado had 269 active municipalities, comprising 196 towns, 72 cities, and one consolidated city and county government.
    2. On February 7, 2001, the City of Centennial was incorporated.
    3. On November 15, 2001, the City of Broomfield became the City and County of Broomfield, increasing the number of Colorado counties to 64.
    4. On June 30, 2004, the Town of Watkins was incorporated, but on November 30, 2006, the Town of Watkins was dissolved.
    5. On November 6, 2007, the City of Castle Pines North was incorporated.
    6. Thus, at the 2010 United States Census, the State of Colorado had 271 active municipalities, comprising 196 towns, 73 cities, and two consolidated city and county governments.
    7. On November 2, 2010, the City of Castle Pines North changed its name to the City of Castle Pines.
    8. On November 4, 2014, the property owners of Carbonate, Colorado, voted to reactivate the Town of Carbonate.
    9. Thus, at the 2020 United States Census, the State of Colorado had 272 active municipalities, comprising 197 towns, 73 cities, and two consolidated city and county governments.
    10. On February 8, 2024, the Town of Keystone was incorporated.
    11. On July 28, 2026, the Town of Hartman was declared abandoned.
    12. Thus, the State of Colorado continues to have 272 active municipalities, comprising 197 towns, 73 cities, and two consolidated city and county governments.
  2. [b]
    For the most recent population estimates, see the List of Colorado municipalities by population.
  3. [c]
    The 2020 statistics exclude the Town of Carbonate and the Town of Keystone which were not active in 2020, but include the Town of Hartman which is no longer active.
  4. [d]
    Three Colorado county seats: Brighton, Central City, and Littleton, extend into adjacent counties.[1][15]
  5. [e]
    The unincorporated community of Conejos, a census-designated place (CDP), is the seat of Conejos County. Conejos is the last unincorporated county seat in Colorado.[15]
  6. [f]
    Akron has been the seat of Washington County, Colorado since the county was created on February 9, 1887.
  7. [g]
    Alamosa has been the seat of Alamosa County, Colorado since the county was created on March 8, 1913.
  8. [h]
    Located at an elevation of 10,361 feet (3,158 m), the Town of Alma, Colorado has been the highest elevation populated municipality in the United States since 1890.
  9. [i]
    Aspen has been the seat of Pitkin County, Colorado since the county was created on February 23, 1881.
  10. [j]
    Ault was originally incorporated on April 11, 1904 as the Town of Bergdorf.[1]
  11. [k]
    The City of Aurora is the 51st most populous U.S. municipality.[17]
  12. [l]
    The City of Aurora is a principal city of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area and the Denver-Aurora-Greeley, CO Combined Statistical Area.[18]
  13. [m]
    Aurora was originally incorporated on May 5, 1903 as the Town of Fletcher.[1]
  14. [n]
    Bonanza was originally incorporated on January 13, 1881 as the Town of Bonanza City.[1]
  15. [o]
    The City of Boulder is the principal city of the Boulder, CO Metropolitan Statistical Area.[18]
  16. [p]
    On November 28, 1859, the Provisional Government of the Territory of Jefferson created 12 counties, with Boulder City as the seat of Jackson County, Jefferson Territory.[19] On November 1, 1861, the new Territory of Colorado created 17 original counties, with Boulder City as the seat of Boulder County, Colorado Territory, and since statehood on August 1, 1876, Boulder has been the seat of Boulder County, Colorado.
  17. [q]
    Boulder was originally incorporated by the Territory of Colorado on November 4, 1871 as the City of Boulder City.[1]
  18. [r]
    The Town of Breckenridge is the principal city of the Breckenridge, CO Micropolitan Statistical Area.[18]
  19. [s]
    On November 28, 1859, the Provisional Government of the Territory of Jefferson created 12 counties, with Breckenridge as the seat of Saratoga County, Jefferson Territory.[19] On January 18, 1860, the spelling of the town's name was changed to Breckinridge in honor of U.S. Vice President John Cabell Breckinridge.[20] On December 2, 1861, after John Breckinridge accepted a commission as a brigadier general in the Confederate States Army, the town changed its name back to the original Breckenridge.[21][22] In 1862, county voters selected Breckenridge as the new seat of Summit County, Colorado Territory, and since statehood on August 1, 1876, the seat of Summit County, Colorado.
  20. [t]
    Brighton has been the seat of Adams County, Colorado since the county was created on November 15, 1902.
  21. [u]
    The City of Brighton is the seat of Adams County, but extends into Weld County.[1][15]
  22. [v]
    The City and County of Broomfield was consolidated on November 15, 2001.
  23. [w]
    As a consolidated city and county, the City and County of Broomfield is its own county seat.[1][15]
  24. [x]
    The City and County of Broomfield was consolidated on November 15, 2001.[1]
  25. [y]
    Buena Vista served as the seat of Chaffee County, Colorado from 1888 until 1928.
  26. [z]
    Burlington has been the seat of Kit Carson County, Colorado since the county was created on April 11, 1889.
  27. [aa]
    The City of Cañon City is a principal city of the Cañon City, CO Micropolitan Statistical Area and the Pueblo-Cañon City, CO Combined Statistical Area.[18]
  28. [ab]
    On November 1, 1861, the new Territory of Colorado created 17 original counties, with Cañon City as the seat of Fremont County, Colorado Territory, and since statehood on August 1, 1876, the seat of Fremont County, Colorado. Cañon City has also been spelled Canon City and Canyon City.[21]
  29. [ac]
    Carbonate served as the original seat of Garfield County, Colorado for several months after the county was created on February 10, 1883. On November 4, 2014, the property owners of Carbonate, Colorado voted 9 to 0 to reactivate the town government despite having no year-round residents since the 1890 United States census.[23][6]
  30. [ad]
    The City of Castle Pines North was incorporated on November 6, 2007. An election on November 2, 2010, changed the name to the City of Castle Pines.[1]
  31. [ae]
    In 1874, county voters selected Castle Rock as the new seat of Douglas County, Colorado Territory, and since statehood on August 1, 1876, the seat of Douglas County, Colorado.
  32. [af]
    The City of Centennial is a principal city of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area.[18]
  33. [ag]
    On November 28, 1859, the Provisional Government of the Territory of Jefferson created 12 counties, with Central City as the seat of Mountain County, Jefferson Territory.[19] On November 1, 1861, the new Territory of Colorado created 17 original counties, with Central City as the seat of Gilpin County, Colorado Territory, and since statehood on August 1, 1876, the seat of Gilpin County, Colorado. Central City uses the municipal title City of Central.[1]
  34. [ah]
    The City of Central is the seat of Gilpin County, but extends into an uninhabited area of Clear Creek County.[1][15]
  35. [ai]
    Cheyenne Wells has been the seat of Cheyenne County, Colorado since the county was created on March 25, 1889.
  36. [aj]
    The Town of Coal Creek should not be confused with the Coal Creek CDP.
  37. [ak]
    The City of Colorado Springs is the 40th most populous U.S. municipality.[17]
  38. [al]
    The City of Colorado Springs is the principal city of the Colorado Springs, CO Metropolitan Statistical Area.[18]
  39. [am]
    In 1873, county voters selected Colorado Springs as the new seat of El Paso County, Colorado Territory, and since statehood on August 1, 1876, the seat of El Paso County, Colorado.
  40. [an]
    Commerce City was originally incorporated on December 18, 1952 as the Town of Commerce Town.[1]
  41. [ao]
    Cortez has been the seat of Montezuma County, Colorado since the county was created on April 16, 1889.
  42. [ap]
    The City of Craig is a principal city of the Craig, CO Micropolitan Statistical Area and the Steamboat Springs-Craig, CO Combined Statistical Area.[18]
  43. [aq]
    On August 28, 1889, Yampa changed its name to Craig.[21] Craig has been the seat of Moffat County, Colorado since the county was created on February 27, 1911.
  44. [ar]
    In 1892, two rival municipalities with the name Creede were incorporated in the Creede Mining District of southwestern Colorado. On March 19, 1892, the Town of Creede was incorporated around the Creede, Colorado, post office along Willow Creek in Saguache County. On June 13, 1892, the rival City of Creede was incorporated around the Amethyst, Colorado, post office just 1.1 miles (1.8 km) south along Willow Creek. On March 27, 1893, Mineral County was created, and on November 7, 1893, county voters selected the City of Creede as the new county seat.
    To avoid further confusion, the United States Post Office Department changed the name of the Creede post office to North Creede, Colorado, on November 28 1908, and changed the name of the Amethyst post office to Creede, Colorado, on February 9, 1909.
    As silver mining declined, both municipalities lost population, and in 1916, the City of Creede became a statutory town, but continued to use the appellation City of Creede to distinguish itself from its northern rival.[1] On April 15, 1919, the North Creede post office closed, and the Town of Creede soon ceased operation. It was not until July 23, 2026, that the Colorado Secretary of State declared the Town of Creede abandoned.
    The Geographic Names Information System (GNIS) uses the name "Town of the City of Creede" to identify the county seat and sole surviving municipality of Mineral County.
  45. [as]
    Fremont changed its name to Morland on December 9, 1891; then changed it back to Fremont on February 4, 1892; then changed it to Cripple Creek on June 20, 1892.[21] Cripple Creek has been the seat of Teller County, Colorado since the county was created on March 23, 1899.
  46. [at]
    On February 10, 1874, the Territory of Colorado created Rio Grande County, Colorado Territory with Del Norte as the original county seat, until statehood on August 1, 1876, when Del Norte became the seat of Rio Grande County, Colorado.
  47. [au]
    Delta has been the seat of Delta County, Colorado since the county was created on February 11, 1883.
  48. [av]
    The City and County of Denver is the 19th most populous U.S. municipality.[17]
  49. [aw]
    The City and County of Denver is the principal city of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area and the Denver-Aurora-Greeley, CO Combined Statistical Area.[18]
  50. [ax]
    On August 24, 1859, voters of the Pike's Peak mining region approved the formation of the Provisional Government of the Territory of Jefferson with Denver City as the territorial capital.[24][25] On November 28, 1859, the extralegal territory created 12 counties, with Denver City as the seat of Arrappahoe County, Jefferson Territory.[19] On December 3, 1859, the Jefferson Territory granted a charter to the consolidated City of Denver, Auraria, and Highland, still commonly known as Denver City.[4] On November 13, 1860, the Jefferson Territory moved its capital to Golden City. On February 28, 1861, U.S. President James Buchanan signed An Act to provide a temporary Government for the Territory of Colorado, which designated Denver City as the original capital of the Colorado Territory.[26] On June 6, 1861, the Jefferson Territory officially yielded to the new territory. On November 1, 1861, the Colorado Territory created 17 original counties, with Denver City as the original seat of Arapahoe County. On November 7, 1861, the Colorado Territory reincorporated the city as the City of Denver City.[27] On July 7, 1862, the Colorado Territory moved its capital to Colorado City. On February 13, 1866, the city shortened its name to the City of Denver.[21] Denver served again as the capital of the Colorado Territory from December 9, 1867, until statehood on August 1, 1876, when Denver became the (first and only) capital of the State of Colorado. The City and County of Denver was consolidated on December 1, 1902.[1]
  51. [ay]
    Denver has retained its "Mile-High City" elevation of 5,280 feet (1,609.344 m) despite advances in scientific measurement. When the National Geodetic Survey makes adjustments to the North American Vertical Datum (NAVD), the State of Colorado moves the official mile-high elevation point up or down the west steps of the Colorado State Capitol to reflect the changes. Most of Denver actually lies above this elevation.[28]
  52. [az]
    As a consolidated city and county, the City and County of Denver is its own county seat.[1]
  53. [ba]
    Dinosaur was originally incorporated on December 18, 1947 as the Town of Artesia.[1]
  54. [bb]
    Dove Creek has served as the seat of Dolores County, Colorado since 1945.
  55. [bc]
    The City of Durango is the principal city of the Durango, CO Micropolitan Statistical Area.[18]
  56. [bd]
    Durango has served as the seat of La Plata County, Colorado since 1881.
  57. [be]
    Eads has served as the seat of Kiowa County, Colorado since 1902.
  58. [bf]
    Castle changed its name to Eagle on September 3, 1891.[21] Eagle has served as the seat of Eagle County, Colorado since 1921.
  59. [bg]
    Evans served as the seat of Weld County, Colorado Territory from 1870 until 1874 and again from 1875 until statehood on August 1, 1876, when it became the seat of Weld County, Colorado until the following year.
  60. [bh]
    On November 7, 1867, county voters selected Fair Play as the new seat of Park County, Colorado Territory, and since statehood on August 1, 1876, the seat of Park County, Colorado. On October 1, 1924, Fair Play changed its name to Fairplay,[21] and has continued to serve as county seat.
  61. [bi]
    The City of Fort Collins is the principal city of the Fort Collins-Loveland, CO Metropolitan Statistical Area.[18]
  62. [bj]
    In 1868, county voters selected Fort Collins as the new seat of Larimer County, Colorado Territory, and since statehood on August 1, 1876, the seat of Larimer County, Colorado.
  63. [bk]
    The City of Fort Morgan is the principal city of the Fort Morgan, CO Micropolitan Statistical Area.[18]
  64. [bl]
    Fort Morgan has been the seat of Morgan County, Colorado since the county was created on February 19, 1889.
  65. [bm]
    In 1867, county voters selected Georgetown as the new seat of Clear Creek County, Colorado Territory, and since statehood on August 1, 1876, the seat of Clear Creek County, Colorado.
  66. [bn]
    On June 25, 1883, Defiance changed its name to Barlow, and several months later, county voters selected Barlow as the new seat of Garfield County, Colorado. On March 28, 1884, Barlow changed its name to Glenwood Springs,[21] and Glenwood Springs continues to serve as county seat.
  67. [bo]
    On November 6, 1860, the Provisional Government of the Territory of Jefferson designated Golden City as the new seat of Jefferson County, Jefferson Territory, and on November 13, 1860, it designated Golden City as its new territorial capital.[19] On November 1, 1861, the new Territory of Colorado created 17 original counties, with Golden City as the original seat of Jefferson County, Colorado Territory. Golden City served as the third capital of the Colorado Territory from August 14, 1862, until December 9, 1867. On June 27, 1876, Golden City shortened its name to Golden,[21] and since statehood on August 1, 1876, Golden has been the seat of Jefferson County, Colorado.
  68. [bp]
    Golden was originally incorporated by the Territory of Colorado on January 2, 1871 as the City of Golden City.[1]
  69. [bq]
    The City of Grand Junction is the principal city of the Grand Junction, CO Metropolitan Statistical Area.[18]
  70. [br]
    On May 26, 1882, Ute changed its name to Grand Junction.[21] Grand Junction has been the seat of Mesa County, Colorado since the county was created on February 11, 1883.
  71. [bs]
    Grand Lake served as the seat of Grand County, Colorado from 1882 until 1888. On June 30, 1895, Grand Lake changed its name to Grandlake; then changed it back to Grand Lake on April 1, 1938.[21]
  72. [bt]
    The City of Greeley is the principal city of the Greeley, CO Metropolitan Statistical Area.[18]
  73. [bu]
    Greeley served as the seat of Weld County, Colorado Territory from 1874 until 1875. Greeley has served as the seat of Weld County, Colorado since 1877.
  74. [bv]
    Gunnison has been the seat of Gunnison County, Colorado since the county was created on March 9, 1877.
  75. [bw]
    On January 29, 1877, the state created Routt County, Colorado and designated Hayden as the original county seat. Hayden served as county seat until 1878.
  76. [bx]
    Holyoke has been the seat of Phillips County, Colorado since the county was created on March 27, 1889.
  77. [by]
    Hot Sulphur Springs served as the original seat of Grand County, Colorado Territory since the county was created on February 2, 1874, and with statehood on August 1, 1876, the seat of Grand County, Colorado until 1882 and then again from 1888 to present. On June 26, 1894, Hot Sulphur Springs changed its name to Sulphur Springs, then changed it back to Hot Sulphur Springs on February 15, 1912.[21]
  78. [bz]
    Hugo has been the seat of Lincoln County, Colorado since the county was created on April 11, 1889.
  79. [ca]
    On November 1, 1861, the Territory of Colorado created 17 original counties, with Idaho as the original seat of Clear Creek County, Colorado Territory, serving until 1867. On April 7, 1876, Idaho changed its name to Idaho Springs.[21]
  80. [cb]
    Ignacio is the headquarters of the Southern Ute Indian Tribe.[29]
  81. [cc]
    On May 26, 1886, Denver Junction changed its name to Julesburg.[21] Julesburg has been the seat of Sedgwick County, Colorado since the county was created on April 9, 1889.
  82. [cd]
    Keystone population and area prior to February 8, 2024 are for the Keystone CDP.
  83. [ce]
    On February 2, 1874, the Territory of Colorado created Elbert County, Colorado Territory, with Kiowa as the county seat, and since statehood on August 1, 1876, the seat of Elbert County, Colorado.
  84. [cf]
    Kit Carson served as the seat of Greenwood County, Colorado Territory for the four years it existed from February 11, 1870, until February 6, 1874.
  85. [cg]
    La Junta has been the seat of Otero County, Colorado since the county was created on March 25, 1889.
  86. [ch]
    In 1875, county voters selected Lake City as the new seat of Hinsdale County, Colorado Territory, and since statehood on August 1, 1876, the seat of Hinsdale County, Colorado.
  87. [ci]
    The present Town of Lakeside in Jefferson County should not be confused with the former Town of Lakeside in Summit County.
  88. [cj]
    Lamar has been the seat of Prowers County, Colorado since the county was created on April 11, 1889.
  89. [ck]
    On February 11, 1870, the Territory of Colorado created Bent County, Colorado Territory, with Las Animas serving as the original county seat for only a few months. Las Animas served as county seat again from 1872 until 1875, when the county seat was moved to West Las Animas. With statehood on August 1, 1876, West Las Animas became the seat of Bent County, Colorado. On September 4, 1886, West Las Animas changed its name to Las Animas,[21] and Las Animas has served as the county seat since.
  90. [cl]
    LaSalle was originally incorporated in 1910 as the Town of La Salle.[1]
  91. [cm]
    Leadville has served as the seat of Lake County, Colorado since it was re-created on February 10, 1879.
  92. [cn]
    Voters selected Littleton as the seat of South Arapahoe County, Colorado, which was renamed and re-created on November 15, 1902. Littleton has remained the seat since the county name was changed back to Arapahoe County, Colorado on April 11, 1903.
  93. [co]
    The City of Littleton is the seat of Arapahoe County, but extends into both Jefferson and Douglas counties.[1][15]
  94. [cp]
    The City of Loveland is a principal city of the Fort Collins-Loveland, CO Metropolitan Statistical Area.[18]
  95. [cq]
    Meeker has been the seat of Rio Blanco County, Colorado since the county was created on March 25, 1889.
  96. [cr]
    The City of Montrose is the principal city of the Montrose, CO Micropolitan Statistical Area.[18]
  97. [cs]
    Montrose has been the seat of Montrose County, Colorado since the county was created on February 11, 1883.
  98. [ct]
    Ordway has been the seat of Crowley County, Colorado since the county was created on May 29, 1911.
  99. [cu]
    Ouray has been the seat of Ouray County, Colorado since the county was created on January 18, 1877, although the name of the county was changed to Uncompahgre County for the three days from February 27 to March 2, 1883.
  100. [cv]
    Pagosa Springs has been the seat of Archuleta County, Colorado since the county was created on April 14, 1885.
  101. [cw]
    Parachute was originally incorporated on April 1, 1908 as the Town of Grand Valley.[1]
  102. [cx]
    The City of Pueblo is the principal city of the Pueblo, CO Metropolitan Statistical Area and the Pueblo-Cañon City, CO Combined Statistical Area.[18]
  103. [cy]
    On November 28, 1859, the Provisional Government of the Territory of Jefferson created 12 counties, with Pueblo as the seat of Fountain County, Jefferson Territory.[19] On November 1, 1861, the new Territory of Colorado created 17 original counties, with Pueblo as the seat of Pueblo County, Colorado Territory, and since statehood on August 1, 1876, the seat of Pueblo County, Colorado.
  104. [cz]
    Raymer is served by the New Raymer post office, creating some confusion about the town's name.[30]
  105. [da]
    Red Cliff served as the original seat of Eagle County, Colorado since the county was created on February 11, 1883, until 1921. Red Cliff changed its name to Redcliff on February 7, 1895; then changed it back to Red Cliff on April 1, 1979.[21]
  106. [db]
    Rico served as the original seat of Dolores County, Colorado since the county was created on March 4, 1881, until 1945.
  107. [dc]
    The City of Rifle is the principal city of the Rifle, CO Micropolitan Statistical Area.[18]
  108. [dd]
    On December 29, 1866, the Territory of Colorado created Saguache County, Colorado Territory with Saguache as the county seat, and since statehood on August 1, 1876, the seat of Saguache County, Colorado.
  109. [de]
    The name "Saguache" is pronounced /səˈwætʃ/. This name comes from the Ute language noun "sawup" /səˈwʌp/ meaning "sand dunes". The Spanish language version of this name is usually spelled "Saguache", while the English language version is usually spelled "Sawatch".[31]
  110. [df]
    On March 28, 1881, Arkansas changed its name to Salida.[21] Salida has served as the seat of Chaffee County, Colorado since 1928.
  111. [dg]
    San Luis de la Culebra was settled on April 9, 1851.[32] In 1863, county voters selected San Luis as the new seat of Costilla County, Colorado Territory, and since statehood on August 1, 1876, the seat of Costilla County, Colorado. San Luis is the oldest continuously occupied community in Colorado.
  112. [dh]
    On September 20, 1887, Bee changed its name to Sheridan Lake; then changed it back to Bee on October 15, 1887; then changed it back again to Sheridan Lake on October 27, 1887.[21] Sheridan Lake served as the original seat of Kiowa County, Colorado since the county was created on April 11, 1889, until 1902.
  113. [di]
    Silver Cliff served as the seat of Custer County, Colorado from 1886 until 1928.
  114. [dj]
    On January 31, 1876, the Territory of Colorado created San Juan County, Colorado Territory with Silverton as the county seat, and since statehood on August 1 of that year, the seat of San Juan County, Colorado.
  115. [dk]
    Springfield has been the seat of Baca County, Colorado since the county was created on April 16, 1889.
  116. [dl]
    The City of Steamboat Springs is the principal city of the Steamboat Springs, CO Micropolitan Statistical Area and the Steamboat Springs-Craig, CO Combined Statistical Area.[18]
  117. [dm]
    Steamboat Springs has served as the seat of Routt County, Colorado since 1912.
  118. [dn]
    The City of Sterling is the principal city of the Sterling, CO Micropolitan Statistical Area.[18]
  119. [do]
    Sterling has been the seat of Logan County, Colorado since the county was created on February 25, 1887.
  120. [dp]
    On July 26, 1880, Columbia changed its name to Telluride.[21] Telluride has been the seat of San Miguel County, Colorado since the county was created on March 2, 1883.
  121. [dq]
    Telluride was originally incorporated on February 10, 1887 as the Town of Columbia.[1]
  122. [dr]
    On February 9, 1866, the Territory of Colorado created Las Animas County, Colorado Territory with Trinidad as its seat until statehood on August 1, 1876, when it became the seat of Las Animas County, Colorado.
  123. [ds]
    Walden has been the seat of Jackson County, Colorado since the county was created on May 5, 1909.
  124. [dt]
    In 1874, county voters selected Walsenburgh as the new seat of Huerfano County, Colorado Territory, and since statehood on August 1, 1876, the seat of Huerfano County, Colorado. On October 20, 1887, Walsenburgh changed its name to Tourist; then changed it back Walsenburgh on November 29, 1887; then shortened it to Walsenburg on December 22, 1892.[21]
  125. [du]
    Westcliffe has served as the seat of Custer County, Colorado since 1928.
  126. [dv]
    Wray has served as the seat of Yuma County, Colorado since 1902.
  127. [dw]
    Yuma served as the original seat of Yuma County, Colorado from the creation of the county on March 15, 1889, until 1902.
  128. [dx]
    On November 14, 2007, the Colorado Department of State declared the Douglas County towns of Acequia, Deckers, Douglas, Frankstown, Greenland, Huntsville, Lehigh, Louviers, Russelville, and West Creek abandoned.[33]
  129. [dy]
    On December 1, 1902, the new City and County of Denver annexed the enclosed towns of Argo, Berkeley, Elyria, Globeville, Montclair, and Valverde.[34]
  130. [dz]
    The City of Denver annexed the Town of Barnum on September 3, 1896.
  131. [ea]
    The Town of North Denver was incorporated in June 1892, and was renamed the Town of Berkeley in 1898.
  132. [eb]
    The area of southwestern Adams County north of the former Town of Berkeley is known today as Berkley, Colorado.
  133. [ec]
    In 2005, the Colorado Secretary of State declared the Summit County towns of Boston, Braddoks, Carbonateville, Clinton City, Conger’s Camp, Cow Camp, Curtin, Decatur, Delaware Flats, Dickey, Dyersville, Excelsior, Farnham, Keystone, Kokomo, Lakeside, Lincoln, Masontown, Naomi, Parkville, Recen, Rexford, Robinson, Saints John, Swan City, Swandyke, Tiger, Uneva Lake, Valdoro, Wapiti, and Wheeler abandoned.
  134. [ed]
    The Town of Braddoks was also spelled Braddock. The site was previously known as Delaware City.
  135. [ee]
    On August 22, 2013, the Colorado Department of State declared the Town of Chihuahua, Colorado, abandoned.[35]
  136. [ef]
    The City of Denver annexed the Town of Colfax on June 23, 1897.
  137. [eg]
    The City of Colorado Springs annexed Colorado City on June 10, 1917.
  138. [eh]
    In 2005, the Colorado Secretary of State declared the Town of Critchell abandoned.
  139. [ei]
    Frankstown, Colorado, is now known as Franktown.
  140. [ej]
    The City of Denver annexed the Town of Harman on February 20, 1895.
  141. [ek]
    On July 28, 2026, the Colorado Secretary of State declared that the Town of Hartman had been abandoned pursuant to 31-3-201 C.R.S.
  142. [el]
    The City of Denver annexed the Town of Highlands on July 24, 1896.
  143. [em]
    The long extinct Town of Huntsville was replaced by the new Town of Larkspur on October 16, 1979.
  144. [en]
    On February 8, 2024, a new Town of Keystone was incorporated.
  145. [eo]
    In 1881, most of the Town of Kokomo was destroyed by fire.
  146. [ep]
    The site of Saints John, Colorado was previously known as Coleyville.
  147. [eq]
    The City of Denver annexed the Town of South Denver on February 7, 1894.
  148. [er]
    West Creek, Colorado, is also spelled Westcreek

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