Carlyle, Illinois

Carlyle, Illinois
Interactive map of Carlyle, Illinois
Carlyle
Carlyle
Coordinates: 38°37′18″N 89°22′25″W / 38.62167°N 89.37361°W / 38.62167; -89.37361
CountryUnited States
StateIllinois
CountyClinton
Settled1811 (1811)
Incorporated (town)February 10, 1837
Incorporated (city)April 17, 1884
Area
 • Total
3.42 sq mi (8.87 km2)
 • Land3.42 sq mi (8.87 km2)
 • Water0 sq mi (0.00 km2)
Elevation
469 ft (143 m)
Population
 (2020)
 • Total
3,253
 • Density949.9/sq mi (366.76/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62231
Area code618
FIPS code17-11228
GNIS feature ID2393749

Carlyle is a city in and the county seat of Clinton County, Illinois, United States. The population was 3,253 at the 2020 census.

Carlyle is located approximately 50 miles (80 km) east of St. Louis, Missouri, and is home to Illinois' largest man-made lake, Carlyle Lake, and to the General Dean Suspension Bridge, a suspension bridge that is the only one of its kind in Illinois and crosses the Kaskaskia River.