Warren County, Illinois

Template:Short description Template:Use mdy dates Template:Infobox U.S. county

Warren County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 16,835.<ref>Template:Cite web</ref> Its county seat is Monmouth.<ref name="GR6">Template:Cite web</ref>

History

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.

Warren County was named for Dr. Joseph Warren, killed at the Battle of Bunker Hill in 1775. He is believed to have been the first officer to die in the Revolutionary War.

The current courthouse, constructed of red Portage stone, was completed in 1895.

Warren County from the time of its creation to 1831

Warren County from the time of its creation to 1831
Between 1831 and 1835, Mercer County was temporarily attached to Warren until it could organize its own county government.<ref>White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010.</ref>

Between 1831 and 1835, Mercer County was temporarily attached to Warren until it could organize its own county government.<ref>White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010.</ref>
Warren County between 1835 and 1841

Warren County between 1835 and 1841
Warren County in 1841, reduced to its current borders by the creation of Henderson County

Warren County in 1841, reduced to its current borders by the creation of Henderson County

Geography

According to the U.S. Census Bureau, the county has a total area of Template:Convert, of which Template:Convert is land and Template:Convert (0.1%) is water.<ref name="census-density"/>

Climate and weather

Template:Climate chart In recent years, average temperatures in the county seat of Monmouth have ranged from a low of Template:Convert in January to a high of Template:Convert in July, although a record low of Template:Convert was recorded in February 1905 and a record high of Template:Convert was recorded in July 1936. Average monthly precipitation ranged from Template:Convert in January to Template:Convert in July.<ref name="weather"/>

Adjacent counties

Mercer County (north)
Knox County (east)
Fulton County (southeast)
McDonough County (south)
Henderson County (west)

Demographics

Template:US Census population

At the 2010 United States census, there were 17,707 people, 6,918 households and 4,617 families residing in the county.<ref name="census-dp1">Template:Cite web</ref> The population density was Template:Convert. There were 7,682 housing units at an average density of Template:Convert.<ref name="census-density">Template:Cite web</ref> 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.<ref name="census-dp1"/> 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.<ref name="census-dp2">Template:Cite web</ref>

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.<ref name="census-dp1"/>

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.<ref name="census-dp3">Template:Cite web</ref>

Politics

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.

Transportation

Transit

Airport

Monmouth Municipal Airport Template:Cite web

Major highways

Law enforcement

State

Illinois State Police District 14, Macomb

County

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.

Municipal

Alexis Police Department, Alexis
Monmouth Police Department, Monmouth

Volunteer

Warren County/Monmouth Auxiliary Police Corps

Communities

City

Monmouth

Villages

Unincorporated communities

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Townships

Warren County is divided into these townships: Template:Div col