Founded in 1843, Moultrie County is one of 102 counties in the state of Illinois. Historically, Moultrie County was formed from Shelby and Macon County. The city of Sullivan is the county seat. With FIPS code of 139, Moultrie County has a population of 14,510 and area of 335 square miles (868 km2).
List of all cities in Moultrie County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Allenville, IL | 61951 | 217 |
| Bethany, IL | 61914 | 217 |
| Dalton City, IL | 61925 | 217 |
| Gays, IL | 61928 | 217 |
| Kirksville, IL | 61951 | 217 |
| Lovington, IL | 61937 | 217 |
| Sullivan, IL | 61951 | 217 |