Founded in 1839, Polk County is one of 95 counties in the state of Tennessee. Historically, Polk County was formed from McMinn and Bradley counties. The city of Benton is the county seat. With FIPS code of 139, Polk County has a population of 17,776 and area of 435 square miles (1,127 km2).
List of all cities in Polk County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Benton, TN | 37307 | 423 |
| Conasauga, TN | 37316 | 423 |
| Copperhill, TN | 37317 | 423 |
| Delano, TN | 37325 | 423 |
| Ducktown, TN | 37326 | 423 |
| Farner, TN | 37333 | 423 |
| Ocoee, TN | 37361 | 423 |
| Old Fort, TN | 37362 | 423 |
| Postelle, TN | 37317 | 423 |
| Reliance, TN | 37369 | 423 |
| Turtletown, TN | 37391 | 423 |