Illinois's 12th congressional district

Illinois's 12th congressional district
Illinois's 12th congressional district
	Interactive map of district boundaries since January 3, 2023
Representative	Mike Bost; R–Murphysboro
Area	14,296.2 mi2 (37,027 km2)
Distribution	75.4% urban; 24.6% rural;
Population (2024)	745,901
Median household; income	$70,903
Ethnicity	86.9% White; 4.9% Black; 3.9% Two or more races; 2.8% Hispanic; 1.0% Asian; 0.5% other;
Cook PVI	R+22

The 12th congressional district of Illinois is a congressional district in the southern part of U.S. state of Illinois. It has been represented by Republican Mike Bost since 2015. With a Cook Partisan Voting Index of R+22, it is the most Republican district in Illinois.^[2]

Representative

Mike Bost
R–Murphysboro

Area14,296.2 mi² (37,027 km²)

Distribution

75.4% urban
24.6% rural

Population (2024)745,901

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Year	Office	Results^[5]
2008	President	McCain 54% - 44%
2012	President	Romney 63% - 37%
2016	President	Trump 69% - 26%
	Senate	Kirk 56% - 39%
	Comptroller (Spec.)	Munger 63% - 32%
2018	Governor	Rauner 57% - 33%
	Attorney General	Harold 67% - 30%
	Secretary of State	Helland 51% - 47%
	Comptroller	Senger 61% - 36%
	Treasurer	Dodge 63% - 34%
2020	President	Trump 70% - 28%
2020	Senate	Curran 66% - 31%
2022	Senate	Salvi 68% - 30%
	Governor	Bailey 73% - 25%
	Attorney General	DeVore 72% - 25%
	Secretary of State	Brady 72% - 25%
	Comptroller	Teresi 68% - 30%
	Treasurer	Demmer 72% - 26%
2024	President	Trump 71% - 27%

Name	Party	Years	Cong– ress	Electoral history	Counties
District created March 4, 1863
William Ralls Morrison (Waterloo)	Democratic	March 4, 1863 – March 3, 1865	38th	Elected in 1862. Lost re-election.	1863–1873 Clinton, Madison, Monroe, Randolph, St. Clair, and Washington
Jehu Baker (Belleville)	Republican	March 4, 1865 – March 3, 1869	39th 40th	Elected in 1864. Re-elected in 1866. Retired.
John B. Hay (Belleville)	Republican	March 4, 1869 – March 3, 1873	41st 42nd	Elected in 1868. Re-elected in 1870. Redistricted to the 17th district and lost re-election.
James Carroll Robinson (Springfield)	Democratic	March 4, 1873 – March 3, 1875	43rd	Redistricted from the 8th district and re-elected in 1872. Retired.	1873–1883 Cass, Christian, Menard, Morgan, Sangamon, and Scott
William McKendree Springer (Springfield)	Democratic	March 4, 1875 – March 3, 1883	44th 45th 46th 47th	Elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Redistricted to the 13th district.
James M. Riggs (Winchester)	Democratic	March 4, 1883 – March 3, 1887	48th 49th	Elected in 1882. Re-elected in 1884. Retired.	1883–1895 [data missing]
George A. Anderson (Quincy)	Democratic	March 4, 1887 – March 3, 1889	50th	Elected in 1886. Retired.
Scott Wike (Pittsfield)	Democratic	March 4, 1889 – March 3, 1893	51st 52nd	Elected in 1888. Re-elected in 1890. Lost renomination.
John James McDannold (Mount Sterling)	Democratic	March 4, 1893– March 3, 1895	53rd	Elected in 1892. Retired.
Joseph Gurney Cannon (Danville)	Republican	March 4, 1895– March 3, 1903	54th 55th 56th 57th	Redistricted from the 15th district and re-elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Redistricted to the 18th district.	1895–1903 Iroquois, Kankakee, Vermillion, and Will
Charles Eugene Fuller (Belvidere)	Republican	March 4, 1903– March 3, 1913	58th 59th 60th 61st 62nd	Elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Lost re-election.	1903–1913 Boone, DeKalb, Grundy, Kendall, LaSalle, and Winnebago
William H. Hinebaugh (Ottawa)	Progressive	March 4, 1913– March 3, 1915	63rd	Elected in 1912. Lost re-election.	1913–1949 Boone, DeKalb, Grundy, Kendall, LaSalle, and Winnebago
Charles Eugene Fuller (Belvidere)	Republican	March 4, 1915– June 25, 1926	64th 65th 66th 67th 68th 69th	Elected again in 1914. Re-elected in 1916. Re-elected in 1918. Re-elected in 1920. Re-elected in 1922. Re-elected in 1924. Died.
Vacant		June 25, 1926– March 3, 1927	69th
John T. Buckbee (Rockford)	Republican	March 4, 1927– April 23, 1936	70th 71st 72nd 73rd 74th	Elected in 1926. Re-elected in 1928. Re-elected in 1930. Re-elected in 1932. Re-elected in 1934. Died.
Vacant		April 23, 1936– January 3, 1937	74th
Noah M. Mason (Oglesby)	Republican	January 3, 1937– January 3, 1949	75th 76th 77th 78th 79th 80th	Elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Re-elected in 1944. Re-elected in 1946. Redistricted to the 15th district.
Edgar A. Jonas (Chicago)	Republican	January 3, 1949– January 3, 1955	81st 82nd 83rd	Elected in 1948. Re-elected in 1950. Re-elected in 1952. Lost re-election.	1949–1953 Cook
Edgar A. Jonas (Chicago)	Republican	January 3, 1949– January 3, 1955	81st 82nd 83rd		1953–1963 Cook
Charles A. Boyle (Chicago)	Democratic	January 3, 1955– November 4, 1959	84th 85th 86th	Elected in 1954. Re-elected in 1956. Re-elected in 1958. Died.
Vacant		November 4, 1959– January 3, 1961	86th
Edward Rowan Finnegan (Chicago)	Democratic	January 3, 1961– January 3, 1963	87th	Elected in 1960. Redistricted to the 9th district.
Robert McClory (Lake Bluff)	Republican	January 3, 1963– January 3, 1973	88th 89th 90th 91st 92nd	Elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Redistricted to the 13th district.	1963–1967 Boone, Lake, and McHenry
Robert McClory (Lake Bluff)	Republican	January 3, 1963– January 3, 1973	88th 89th 90th 91st 92nd		1967–1973 Cook, Lake, and McHenry
Phil Crane (McHenry)	Republican	January 3, 1973– January 3, 1993	93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd	Elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Redistricted to the 8th district.	1973–1983 Cook and Lake
Phil Crane (McHenry)	Republican	January 3, 1973– January 3, 1993	93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd		1983–1993 Cook, Lake, and McHenry
Jerry Costello (Belleville)	Democratic	January 3, 1993– January 3, 2013	103rd 104th 105th 106th 107th 108th 109th 110th 111th 112th	Redistricted from the 21st district and re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Retired.	1993–2003 Alexander, Jackson, Madison, Monroe, Perry, Randolph, St. Clair, Union, and Williamson
Jerry Costello (Belleville)	Democratic	January 3, 1993– January 3, 2013	103rd 104th 105th 106th 107th 108th 109th 110th 111th 112th		2003–2013 Alexander, Franklin, Jackson, Madison, Monroe, Perry, Pulaski, Randolph, St. Clair, Union, Williamson
William Enyart (Belleville)	Democratic	January 3, 2013– January 3, 2015	113th	Elected in 2012. Lost re-election.	2013–2023 Alexander, Franklin, Jackson, Jefferson, Madison, Monroe, Perry, Pulaski, Randolph, St. Clair, Union, and Williamson
Mike Bost (Murphysboro)	Republican	January 3, 2015– present	114th 115th 116th 117th 118th 119th	Elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Re-elected in 2024.
Mike Bost (Murphysboro)	Republican	January 3, 2015– present	114th 115th 116th 117th 118th 119th		2023–present Alexander, Clark, Clay, Clinton, Coles (part), Crawford, Cumberland, Edwards, Effingham, Franklin, Gallatin, Hamilton, Hardin, Jackson, Jasper, Jefferson, Johnson, Lawrence, Marion, Massac, Monroe, Perry, Pope, Pulaski, Randolph, Richland, Saline, St. Clair (part), Union, Wabash, Washington, Wayne, White, and Williamson

Party		Candidate	Votes	%
	Democratic	William Enyart	157,000	51.7
	Republican	Jason Plummer	129,902	42.7
	Green	Paula Bradshaw	17,045	5.6
	Write-in	Shon-Tiyon Horton	2	0.0
Total votes			303,947	100

Party		Candidate	Votes	%
	Republican	Mike Bost	110,038	52.5
	Democratic	William Enyart (incumbent)	87,860	41.9
	Green	Paula Bradshaw	11,840	5.6
Total votes			209,738	100.0
	Republican gain from Democratic

Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	169,976	54.3
	Democratic	C.J. Baricevic	124,246	39.7
	Green	Paula Bradshaw	18,780	6.0
Total votes			313,002	100.0
	Republican hold

Illinois's 12th congressional district

History

2011 redistricting

Composition

Recent election results from statewide races

List of members representing the district

Elections

2012

2014

2016

2018

2020

2022

2024

See also

References

Sources

External links

Related Articles

Timelines

Top Qs

Fact Checks

Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	134,884	51.6
	Democratic	Brendan Kelly	118,724	45.4
	Green	Randall Auxier	7,935	3.0
Total votes			261,543	100.0
	Republican hold

Party		Candidate	Votes	%	±%
	Republican	Mike Bost (incumbent)	194,839	60.43	+8.86%
	Democratic	Raymond Lenzi	127,577	39.57	−5.82%
Total votes			322,416	100.0
	Republican hold

Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	218,379	75.00
	Democratic	Chip Markel	72,791	25.00
	Write-in		1	0.00
Total votes			291,171	100.0
	Republican hold

Party		Candidate	Votes	%	±%
	Republican	Mike Bost (incumbent)	272,754	74.19	−0.81%
	Democratic	Brian Roberts	94,875	25.81	+0.81%
Total votes			367,629	100.0
	Republican hold