Moultrie County, Illinois

Moultrie County
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 39°38′N 88°37′W / 39.64°N 88.62°W / 39.64; -88.62
Country United States
State Illinois
FoundedFebruary 16, 1843
Named afterWilliam Moultrie
SeatSullivan
Largest citySullivan
Area
  Total
344 sq mi (890 km2)
  Land336 sq mi (870 km2)
  Water8.5 sq mi (22 km2)  2.5%
Population
 (2020)
  Total
14,526
  Estimate 
(2024)
14,365
  Density42.8/sq mi (16.5/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district15th
Websitewww.moultriecountyil.com

Moultrie County is a county in the U.S. state of Illinois. According to the 2020 United States census, its population was 14,526. Its county seat is Sullivan. The name is pronounced as in "mole tree", unlike the pronunciation of its namesake, the South Carolinian Revolutionary War hero William Moultrie.