| Moultrie County Illinois Cities/Towns -
Allenville, Bethany, Dalton City, Gays, Lovington, Sullivan (County Seat) |
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Your Ad Here Moultrie County is a county located in the U.S. state of Illinois. As of 2000, the population was 14,287. Its county seat is Sullivan. History Moultrie County was formed in 1843. It is named for South Carolina General, and later Governor, William Moultrie. General Moultrie defended Sullivan's Island, South Carolina from British attack in 1776. The site was later renamed Fort Moultrie. The name is pronounced as in "mole tree", unlike the pronunciation of its namesake. Nearby Jasper County was named for Sgt. William Jasper, another hero of the defense of Sullivan's Island. ![]() |