Founded in 1823, Gibson County is one of 95 counties in the state of Tennessee. Historically, Gibson County was formed from Indian lands. The city of Trenton is the county seat. With FIPS code of 53, Gibson County has a population of 50,541 and area of 603 square miles (1,562 km2).
List of all cities in Gibson County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Bradford, TN | 38316 | 731 |
| Dyer, TN | 38330 | 731 |
| Eaton, TN | 38331 | 731 |
| Gibson, TN | 38338 | 731 |
| Humboldt, TN | 38343 | 731 |
| Idlewild, TN | 38346 | 731 |
| Kenton, TN | 38233 | 731 |
| Masonhall, TN | 38233 | 731 |
| Medina, TN | 38355 | 731 |
| Milan, TN | 38358 | 731 |
| Milan Army Ammunition Plant, TN | 38358 | 731 |
| Rutherford, TN | 38369 | 731 |
| Three Way, TN | 38343 | 731 |
| Trenton, TN | 38382 | 731 |
| Yorkville, TN | 38389 | 731 |