Founded in 1819, Monroe County is one of 95 counties in the state of Tennessee. Historically, Monroe County was formed from Indian lands. The city of Madisonville is the county seat. With FIPS code of 123, Monroe County has a population of 46,698 and area of 635 square miles (1,645 km2).
List of all cities in Monroe County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Coker Creek, TN | 37314 | 423 |
| Madisonville, TN | 37354 | 423 |
| Sweetwater, TN | 37874 | 423 |
| Tellico Plns, TN | 37385 | 423 |
| Vonore, TN | 37885 | 423 |