Ogle County, Illinois

Adjacent counties

• Winnebago County - north
• Boone County - northeast
• Stephenson County - northwest
• DeKalb County - east
• Carroll County - west
• Lee County - south
• Whiteside County - southwest

Climate

In recent years, average temperatures in Oregon have ranged from a low of 10 °F (−12 °C) in January to a high of 82 °F (28 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1999 and a record high of 110 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.43 inches (36 mm) in February to 4.88 inches (124 mm) in June.^[7]

2020 census

As of the 2020 census, the county had a population of 51,788. The median age was 41.9 years; 22.8% of residents were under the age of 18 and 19.0% of residents were 65 years of age or older. For every 100 females there were 97.9 males, and for every 100 females age 18 and over there were 96.8 males age 18 and over.^[14]

The racial makeup of the county was 86.0% White, 1.1% Black or African American, 0.5% American Indian and Alaska Native, 0.5% Asian, <0.1% Native Hawaiian and Pacific Islander, 4.6% from some other race, and 7.3% from two or more races. Hispanic or Latino residents of any race comprised 11.2% of the population.^[15]

32.1% of residents lived in urban areas, while 67.9% lived in rural areas.^[16]

There were 20,870 households in the county, of which 29.6% had children under the age of 18 living in them. Of all households, 51.7% were married-couple households, 17.8% were households with a male householder and no spouse or partner present, and 22.5% were households with a female householder and no spouse or partner present. About 27.1% of all households were made up of individuals and 12.4% had someone living alone who was 65 years of age or older.^[14]

There were 22,632 housing units, of which 7.8% were vacant. Among occupied housing units, 74.4% were owner-occupied and 25.6% were renter-occupied. The homeowner vacancy rate was 1.9% and the rental vacancy rate was 7.0%.^[14]

Racial and ethnic composition

2010 census

As of the 2010 United States census, there were 53,497 people, 20,856 households, and 14,711 families residing in the county.^[26] The population density was 70.5 inhabitants per square mile (27.2/km²). There were 22,561 housing units at an average density of 29.7 per square mile (11.5/km²).^[6] The racial makeup of the county was 93.2% white, 0.9% black or African American, 0.5% Asian, 0.2% American Indian, 3.8% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 8.9% of the population.^[26] In terms of ancestry, 38.0% were German, 15.3% were Irish, 10.2% were English, 6.4% were American, 5.3% were Swedish, and 5.3% were Norwegian.^[27]

Of the 20,856 households, 33.1% had children under the age of 18 living with them, 56.1% were married couples living together, 9.7% had a female householder with no husband present, 29.5% were non-families, and 24.5% of all households were made up of individuals. The average household size was 2.54 and the average family size was 3.01. The median age was 40.7 years.^[26]

The median income for a household in the county was $55,733 and the median income for a family was $64,927. Males had a median income of $49,996 versus $32,082 for females. The per capita income for the county was $24,959. About 6.6% of families and 8.9% of the population were below the poverty line, including 12.4% of those under age 18 and 5.9% of those age 65 or over.^[28]

Transit

• List of intercity bus stops in Illinois

Major highways

Airports

The following public-use airports are located in the county:^[34]

• Ogle County Airport (C55) - Mount Morris, Illinois
• Rochelle Municipal Airport (RPJ) - Rochelle, Illinois

Railroads

The Union Pacific line to Omaha (Chicago & North Western), BNSF line to Minneapolis (Burlington Route, later Burlington Northern), Canadian Pacific Kansas City line to Sabula (Milwaukee Road) all run through Ogle County.

Parks

Illinois Nature Preserves

• Beach Cemetery Prairie Nature Preserve
• Douglas E. Wade Prairie Nature Preserve
• Jarrett Prairie Nature Preserve
• Nachusa Grasslands

Cities

• Byron 3784
• Oregon 3604
• Polo 2291
• Rochelle 9446

Villages

Unincorporated communities

Census-designated places

Townships

Bibliography

• Kauffman, Horace G.; Kauffman, Rebecca H., eds. (1909). Historical Encyclopedia of Illinois and History of Ogle County. Vol. 2. Chicago: Munsell Publishing Co. Retrieved November 23, 2010.
• The History of Ogle County, Illinois. Chicago: H. F. Kett & Co. 1878. Retrieved November 23, 2010.