8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Summerville | 1 | 4,427 | 4,422 | 0.14% | 1,103 | 4 | City |
| Summerville | 2 | 4,427 | 4,395 | 0.14% | 1,103 | 4 | City |
| Trion | 3 | 1,974 | 1,967 | 0.1% | 486 | 4 | Town |
| Trion | 4 | 1,974 | 1,963 | 0.1% | 486 | 4 | Town |
| Menlo | 5 | 485 | 480 | 0.21% | 619 | 1 | City |
| Menlo | 6 | 485 | 479 | 0.21% | 619 | 1 | City |
| Lyerly | 7 | 463 | 460 | 0% | 617 | 1 | Town |
| Lyerly | 8 | 463 | 460 | 0% | 617 | 1 | Town |
Summerville is the largest city in Chattooga County, with a population of 4,427.
Lyerly is the smallest city in Chattooga County, with a population of 463.
There are 8 cities in Chattooga County, Georgia.