Clinton County, Illinois

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Clinton County, Illinois
Map of Illinois highlighting Clinton County
Location in the state of Illinois
Map of USA IL
Illinois's location in the U.S.
Founded 1824
Seat Carlyle
 - Total
 - Land
 - Water

503.48 sq mi (1,304 km²)
474.23 sq mi (1,228 km²)
29.25 sq mi (76 km²), 5.81%
 - (2006)
 - Density

77/sq mi (29.8/km²)

Clinton County is a county located in the U.S. state of Illinois, and determined by the U.S. Census Bureau to include the mean center of U.S. population in 1960. Clinton County is part of the St. Louis Metro Area. As of 2006, the population was 36,633. Its county seat is Carlyle, Illinois.


In 1808 a wagon road was laid out through what is now Clinton County. The road extended from the "Goshen Settlement" to the Ohio salt works and crossed the Kaskaskia river at Carlyle.[1]

Clinton County was organized in 1824 out of Washington, Fayette, and Bond Counties. Its name is in honor of the seventh Governor of New York State, DeWitt Clinton, who helped build the Erie Canal.[2]


According to the 2000 census, the county has a total area of 503.48 square miles (1,304.0 km2), of which 474.23 square miles (1,228.3 km2) (or 94.19%) is land and 29.25 square miles (75.8 km2) (or 5.81%) is water.[3] Eldon Hazlet State Recreation Area and South Shore State Park are in Clinton County.

Adjacent countiesEdit

Major highwaysEdit





Clinton County is divided into these fifteen townships:

School districtsEdit

  • Carlyle Community Unit School District 1
  • Patoka Community Unit School District 100
  • Sandoval Community Unit School District 501
  • Wesclin Community Unit School District 3
  • Central Community High School, Breese
  • Mater Dei Catholic High School, Breese

Political districtsEdit

  • Illinois' 19th congressional district
  • State House District 102
  • State House District 107
  • State House District 115
  • State Senate District 51
  • State Senate District 54
  • State Senate District 58


Historical populations
Census Pop.
1900 19,824
1910 22,832 15.2%
1920 22,947 0.5%
1930 21,369 −6.9%
1940 22,912 7.2%
1950 22,594 −1.4%
1960 24,029 6.4%
1970 28,315 17.8%
1980 32,617 15.2%
1990 33,944 4.1%
2000 35,535 4.7%
Est. 2006 36,633 3.1%
IL Counties 1900-1990
USA Clinton County, Illinois age pyramid

2000 census age pyramid for Clinton County.

As of the census[4] of 2000, there were 35,535 people, 12,754 households, and 9,221 families residing in the county. The population density was 75 people per square mile (29/km²). There were 13,805 housing units at an average density of 29 per square mile (11/km²). The racial makeup of the county was 94.19% White, 3.91% Black or African American, 0.16% Native American, 0.33% Asian, 0.03% Pacific Islander, 0.84% from other races, and 0.54% from two or more races. 1.60% of the population were Hispanic or Latino of any race. 62.1% were of German and 11.0% American ancestry according to Census 2000. 96.8% spoke English, 2.0% Spanish and 1.0% German as their first language.

There were 12,754 households out of which 35.10% had children under the age of 18 living with them, 60.10% were married couples living together, 8.40% had a female householder with no husband present, and 27.70% were non-families. 24.20% of all households were made up of individuals and 11.90% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.10.

In the county the population was spread out with 24.90% under the age of 18, 9.30% from 18 to 24, 30.20% from 25 to 44, 21.30% from 45 to 64, and 14.40% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 106.60 males. For every 100 females age 18 and over, there were 106.80 males.

The median income for a household in the county was $44,618, and the median income for a family was $52,580. Males had a median income of $36,035 versus $23,506 for females. The per capita income for the county was $19,109. About 4.60% of families and 6.40% of the population were below the poverty line, including 7.80% of those under age 18 and 6.00% of those age 65 or over.

Climate and weather Edit

Climate chart for Carlyle, Illinois
temperatures in °Cprecipitation totals in mm
source: The Weather Channel[5]

In recent years, average temperatures in the county seat of Carlyle have ranged from a low of 19 °F (−7 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −22 °F (−30.0 °C) was recorded in January 1994 and a record high of 104 °F (40 °C) was recorded in July 1980. Average monthly precipitation ranged from 2.17 inches (55 mm) in January to 4.44 inches (113 mm) in June.[5]

See alsoEdit


  1. ^ "1913 Commercial History of Clinton County, Illinois", Retrieved 10 NOV 2010 [1]
  2. ^ Allan H. Keith, Historical Stories: About Greenville and Bond County, IL. Consulted on August 15, 2007.
  3. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13. 
  4. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  5. ^ a b "Monthly Averages for Carlyle, Illinois". The Weather Channel. Retrieved 2011-01-27. 

External linksEdit

Clinton County IL web page

Contains a copy of the 1913 Commercial History of Clinton County and much more

Coordinates: 38°37′N 89°25′W / 38.61, -89.42

This page uses content from the English language Wikipedia. The original content was at Clinton County, Illinois. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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