Founded in 1843, Cumberland County is one of 102 counties in the state of Illinois. Historically, Cumberland County was formed from Coles County. The city of Toledo is the county seat. With FIPS code of 35, Cumberland County has a population of 10,345 and area of 345 square miles (894 km2).
List of all cities in Cumberland County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Big Spring, IL | 62447 | 217 |
| Bradbury, IL | 62468 | 217 |
| Cottonwood, IL | 62468 | 217 |
| Cumberland, IL | 62468 | 217 |
| Diona, IL | 62428 | 217 |
| Greenup, IL | 62428 | 217 |
| Hazel Dell, IL | 62428 | 217 |
| Janesville, IL | 62435 | 217 |
| Jewett, IL | 62436 | 217 |
| Maple Point, IL | 62428 | 217 |
| Neoga, IL | 62447 | 217 |
| Sumpter, IL | 62468 | 217 |
| Timothy, IL | 62428 | 217 |
| Toledo, IL | 62468 | 217 |
| Trowbridge, IL | 62447 | 217 |
| Union Center, IL | 62428 | 217 |