Moultrie -- U.S. County in Illinois Population (2000): 14287 Housing Units (2000): 5743 Land area (2000): 335.596336 sq. miles (869.190483 sq. km) Water area (2000): 8.872440 sq. miles (22.979514 sq. km) Total area (2000): 344.468776 sq. miles (892.169997 sq. km) Located within: Illinois (IL), FIPS 17 Location: 39.635412 N, 88.626340 W Headwords: Moultrie Moultrie, IL Moultrie County Moultrie County, IL