Clinton County, Illinois facts for kids

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Clinton County, Illinois
Map

Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded 1824
Seat Carlyle
Largest City Breese
Area
 - Total
 - Land
 - Water

503 sq mi (1,303 km²)
474 sq mi (1,228 km²)
29 sq mi (75 km²), 5.8%
Population
 - (2010)
 - Density

37,762
Time zone Central: UTC-6/-5
Website: www.clintonco.illinois.gov
Named for: DeWitt Clinton

Clinton County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 37,762. Its county seat is Carlyle.

In 1960, the U.S. Census Bureau placed the mean center of U.S. population in Clinton County.

Clinton County is part of the St. Louis, MO-IL Metropolitan Statistical Area.

History

In 1805, prior to the establishment of the county, the territorial government established a post road from its capital (Vincennes, Indiana) to St. Louis, Missouri, passing through the county. 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.

Clinton County was created on December 27, 1824 out of Washington, Fayette, and Bond Counties. It was named in honor of the seventh Governor of New York, DeWitt Clinton, who helped build the Erie Canal.

Crossing the Kaskaskia became much easier when the bridge now known as the General Dean Suspension Bridge was built in 1859, at a cost of $40,000. Before the bridge was constructed travelers had been forced to cross by ferry or over a mud bridge. The Illinois General Assembly set aside $20,000 for bridge restoration in 1951 and in 1953 the bridge was named after William F. Dean.

Geography

According to the U.S. Census Bureau, the county has a total area of 503 square miles (1,300 km2), of which 474 square miles (1,230 km2) is land and 29 square miles (75 km2) (5.8%) is water. Eldon Hazlet State Recreation Area and South Shore State Park are in Clinton County. Its southern border is the Kaskaskia River.

Climate and weather

Weather chart for Carlyle, Illinois
J F M A M J J A S O N D
 
 
2.2
 
36
19
 
 
2.4
 
43
23
 
 
3.8
 
54
33
 
 
3.9
 
65
43
 
 
4.2
 
75
53
 
 
4.4
 
84
62
 
 
3.7
 
88
67
 
 
2.8
 
86
65
 
 
3.1
 
79
57
 
 
3
 
68
45
 
 
3.8
 
54
35
 
 
3.2
 
42
24
temperatures in °F
precipitation totals in inches
source: The Weather Channel

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 °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.

Major highways

  • I-64.svg Interstate 64
  • US 50.svg US Route 50
  • Illinois 127.svg Illinois Route 127
  • Illinois 160.svg Illinois Route 160
  • Illinois 161.svg Illinois Route 161
  • Illinois 177.svg Illinois Route 177

Adjacent counties

Demographics

Historical population
Census Pop.
1830 2,330
1840 3,718 59.6%
1850 5,139 38.2%
1860 10,941 112.9%
1870 16,285 48.8%
1880 18,714 14.9%
1890 17,411 −7.0%
1900 19,824 13.9%
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%
2010 37,762 6.3%
Est. 2015 37,786 0.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013
USA Clinton County, Illinois age pyramid
2000 census age pyramid for Clinton County

As of the 2010 United States Census, there were 37,762 people, 14,005 households, and 9,760 families residing in the county. The population density was 79.7 inhabitants per square mile (30.8/km2). There were 15,311 housing units at an average density of 32.3 per square mile (12.5/km2). The racial makeup of the county was 93.4% white, 3.5% black or African American, 0.4% Asian, 0.2% American Indian, 1.2% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population. In terms of ancestry, 54.8% were German, 9.8% were Irish, 5.8% were English, and 5.6% were American.

Of the 14,005 households, 32.7% had children under the age of 18 living with them, 56.5% were married couples living together, 8.7% had a female householder with no husband present, 30.3% were non-families, and 25.1% of all households were made up of individuals. The average household size was 2.55 and the average family size was 3.02. The median age was 39.3 years.

The median income for a household in the county was $55,278 and the median income for a family was $66,682. Males had a median income of $45,119 versus $34,051 for females. The per capita income for the county was $25,392. About 5.2% of families and 7.8% of the population were below the poverty line, including 9.2% of those under age 18 and 5.7% of those age 65 or over.

Communities

Cities

Villages

Townships

Clinton County is divided into fifteen townships:

  • Breese
  • Brookside
  • Carlyle
  • Clement
  • East Fork
  • Germantown
  • Irishtown
  • Lake
  • Looking Glass
  • Meridian
  • Saint Rose
  • Santa Fe
  • Sugar Creek
  • Wade
  • Wheatfield

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