Warren County, Illinois
Warren County Courthouse in Monmouth
Location within the U.S. state of Illinois
Illinois's location within the U.S.
|Coordinates: 40°51′N 90°37′W|
|Named for||Joseph Warren|
|• Total||543 sq mi (1,410 km2)|
|• Land||542 sq mi (1,400 km2)|
|• Water||0.6 sq mi (2 km2) 0.1%|
| • Estimate |
|• Density||33/sq mi (13/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Warren County was organized in 1825 out of Pike County which consisted of all portions of the state north and west of the Illinois River before 1825. Henderson County was formed in 1841 from the western area of Warren County.
The current courthouse, constructed of red Portage stone, was completed in 1895.
According to the U.S. Census Bureau, the county has a total area of 543 square miles (1,410 km2), of which 542 square miles (1,400 km2) is land and 0.6 square miles (1.6 km2) (0.1%) is water.
Climate and weather
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of Monmouth have ranged from a low of 15 °F (−9 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −27 °F (−33 °C) was recorded in February 1905 and a record high of 110 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.62 inches (41 mm) in January to 4.33 inches (110 mm) in July.
|U.S. Decennial Census|
At the 2010 United States Census, there were 17,707 people, 6,918 households and 4,617 families residing in the county. The population density was 32.6 inhabitants per square mile (12.6/km2). There were 7,682 housing units at an average density of 14.2 per square mile (5.5/km2). The racial makeup of the county was 91.3% white, 1.7% black or African American, 0.5% Asian, 0.2% American Indian, 0.1% Pacific islander, 4.5% from other races, and 1.6% from two or more races. Those of Hispanic or Latino origin made up 8.4% of the population. In terms of ancestry, 25.2% were German, 14.7% were Irish, 11.3% were English, 10.0% were Swedish, and 5.5% were American.
Of the 6,918 households, 29.6% had children under the age of 18 living with them, 52.2% were married couples living together, 9.7% had a female householder with no husband present, 33.3% were non-families, and 28.2% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.91. The median age was 39.6 years.
The median household income was $41,636 and the median family income was $49,623. Males had a median income of $40,289 and females $25,460. The per capita incomewas $20,047. About 11.0% of families and 13.4% of the population were below the poverty line, including 18.1% of those under age 18 and 10.6% of those age 65 or over.
Warren County is located in Illinois's 17th Congressional District and is currently represented by Democrat Cheri Bustos. For the Illinois House of Representatives, the county is split between the 93rd district, currently represented by Republican Norine Hammond, and the 94th district, currently represented by Randy Frese. The county is located in the 47th district of the Illinois Senate, and is currently represented by Republican Jil Tracy.
In presidential elections, Warren County voted for the Republican Party's candidate in every election from 1936 through 1988, often by a wide margin. From 1992-2012, the contest in Warren County was more competitive, with the Democratic Party's candidate winning four out of six times.
- Warren County Sheriff's Office
In a scene in the 2018 film "Halloween", the local sheriff drives a car that says Warren County Sheriff's Department. Confirming that the fictional town of Haddonfield is located in Warren County.
Warren County/Monmouth Auxiliary Police Corps
- "State & County QuickFacts". United States Census Bureau. Retrieved July 9, 2014.
- "Find a County". National Association of Counties. Retrieved June 7, 2011.
- White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010.
- "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved July 12, 2015.
- "Monthly Averages for Monmouth, Illinois". The Weather Channel. Retrieved January 27, 2011.
- "Population and Housing Unit Estimates". Retrieved November 2, 2019.
- "U.S. Decennial Census". United States Census Bureau. Retrieved July 9, 2014.
- "Historical Census Browser". University of Virginia Library. Retrieved July 9, 2014.
- "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 9, 2014.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 9, 2014.
- "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved July 12, 2015.
- "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 12, 2015.
- "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 12, 2015.
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 13, 2018.