| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| South Fulton | 1 | 113,789 | 108,265 | 0.86% | 1,224 | 93 | City |
| Peachtree City | 2 | 41,446 | 38,357 | 1.38% | 1,649 | 25 | City |
| Fayetteville | 3 | 20,805 | 19,015 | 1.66% | 1,605 | 13 | City |
| Tyrone | 4 | 8,162 | 7,791 | 0.88% | 653 | 13 | Town |
| Chattahoochee Hills | 5 | 3,643 | 2,960 | 3.38% | 63 | 58 | City |
| Brooks | 6 | 587 | 571 | 0.51% | 136 | 4 | Town |
South Fulton is the largest city in Fayette County, with a population of 113,789.
Brooks is the smallest city in Fayette County, with a population of 587.
There are 6 cities in Fayette County, Georgia.