7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Winchester | 1 | 10,461 | 9,409 | 2.05% | 923 | 11 | City |
| Estill Springs | 2 | 2,697 | 2,700 | -0.04% | 558 | 5 | Town |
| Decherd | 3 | 2,504 | 2,376 | 1.01% | 522 | 5 | City |
| Cowan | 4 | 1,828 | 1,766 | 0.66% | 880 | 2 | City |
| New Hope | 5 | 969 | 988 | -0.41% | 94 | 10 | City |
| Huntland | 6 | 891 | 885 | 0.11% | 585 | 2 | Town |
| Orme | 7 | 84 | 88 | -1.18% | 20 | 4 | Town |
Winchester is the largest city in Franklin County, with a population of 10,461.
Orme is the smallest city in Franklin County, with a population of 84.
There are 7 cities in Franklin County, Tennessee.