11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bartlett | 1 | 56,467 | 57,671 | -0.42% | 1,748 | 32 | City |
| Oakland | 2 | 11,199 | 9,048 | 3.99% | 1,070 | 10 | Town |
| Somerville | 3 | 3,547 | 3,427 | 0.68% | 261 | 14 | Town |
| Piperton | 4 | 2,881 | 2,303 | 4.16% | 106 | 27 | City |
| Rossville | 5 | 1,213 | 1,060 | 2.54% | 223 | 5 | Town |
| Moscow | 6 | 552 | 567 | -0.54% | 433 | 1 | City |
| Gallaway | 7 | 519 | 529 | -0.38% | 90 | 6 | City |
| Williston | 8 | 333 | 351 | -1.19% | 202 | 2 | City |
| Braden | 9 | 246 | 256 | -0.81% | 67 | 4 | Town |
| La Grange | 10 | 119 | 124 | -0.83% | 59 | 2 | Town |
| Dancyville | 11 | 40 | 37 | 8.11% | 28 | 1 | CDP |
Bartlett is the largest city in Fayette County, with a population of 56,467.
Dancyville is the smallest city in Fayette County, with a population of 40.
There are 11 cities in Fayette County, Tennessee.