7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Winchester | 1 | 10,672 | 9,409 | 2.02% | 941 | 11 | City |
| Estill Springs | 2 | 2,697 | 2,700 | 0% | 558 | 5 | Town |
| Decherd | 3 | 2,530 | 2,376 | 1.04% | 528 | 5 | City |
| Cowan | 4 | 1,841 | 1,766 | 0.71% | 886 | 2 | City |
| New Hope | 5 | 965 | 988 | -0.41% | 93 | 10 | City |
| Huntland | 6 | 892 | 885 | 0.11% | 585 | 2 | Town |
| Orme | 7 | 83 | 88 | -1.19% | 20 | 4 | Town |
Winchester is the largest city in Franklin County, with a population of 10,672.
Orme is the smallest city in Franklin County, with a population of 83.
There are 7 cities in Franklin County, Tennessee.