10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Winchester | 1 | 10,461 | 9,409 | 2.05% | 975 | 11 | City |
| Sewanee | 2 | 3,075 | 2,625 | 1.69% | 791 | 4 | CDP |
| Estill Springs | 3 | 2,697 | 2,700 | -0.04% | 635 | 4 | Town |
| Decherd | 4 | 2,504 | 2,376 | 1.01% | 522 | 5 | City |
| Cowan | 5 | 1,828 | 1,766 | 0.66% | 880 | 2 | City |
| New Hope | 6 | 969 | 988 | -0.41% | 94 | 10 | City |
| Huntland | 7 | 891 | 885 | 0.11% | 585 | 2 | Town |
| Belvidere | 8 | 90 | 8 | 7.14% | 189 | 0 | CDP |
| Orme | 9 | 84 | 88 | -1.18% | 20 | 4 | Town |
| Sherwood | 10 | 11 | 80 | 10% | 12 | 1 | CDP |
Winchester is the largest city in Franklin County, with a population of 10,461.
Sherwood is the smallest city in Franklin County, with a population of 11.
There are 10 cities in Franklin County, Tennessee.