Carlyle, Illinois

Carlyle, Illinois
Location of Carlyle in Clinton County, Illinois.
Location of Illinois in the United States
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
Government
  MayorJudy Smith
Area
  Total
3.43 sq mi (8.87 km2)
  Land3.42 sq mi (8.87 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
469 ft (143 m)
Population
 (2020)
  Total
3,253
  Density949.78/sq mi (366.76/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP Code(s)
62231
Area code618
FIPS code17-11228
GNIS feature ID2393749
Public TransitSouth Central Transit
Websitecarlylelake.com

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.