Clinton County, Illinois

Clinton County is located in southern Illinois, with Carlyle serving as the county seat. The county sits along the shores of Carlyle Lake, a popular destination for boating and fishing and one of the area’s major recreational attractions.

Farms cover much of Clinton County, with dairy cattle being a common sight across the countryside. The county also has a strong German heritage, which can be seen through its local traditions, celebrations, and community festivals.

The county is named after DeWitt Clinton, a former governor of New York. Small towns are scattered throughout the rural landscape, particularly along U.S. Highway 50, which connects communities across the county.

CategoryDetails
County NameClinton County
County SeatCarlyle
EtymologyNamed after DeWitt Clinton, the 6th Governor of New York
Cities, Towns, and CommunitiesCarlyle, Breese, Centralia (part), Aviston, Trenton, Albers, New Baden, Germantown, Beckemeyer, Hoffman, Bartelso, and various other unincorporated communities.
Interstates and HighwaysInterstate 64, U.S. Highway 50, Illinois Route 127, Illinois Route 160, Illinois Route 161
FIPS Code17-027
Total Area (Land and Water)503 square miles (land: 474 sq mi, water: 29 sq mi)
Adjacent Counties (and Direction)Bond County (North), Fayette County (Northeast), Madison County (Northwest), Marion County (East), St. Clair County (West), Washington County (South)
Time ZoneCentral Time Zone (CT)
StateIllinois
Coordinates38.6067° N, 89.4236° W
Major LandmarksCarlyle Lake, Eldon Hazlet State Recreation Area, General Dean Suspension Bridge, Clinton County Courthouse
PopulationApproximately 36,000
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