| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Summerville | 1 | 4,448 | 4,395 | 0.18% | 1,108 | 4 | City |
| Trion | 2 | 1,973 | 1,964 | 0.05% | 486 | 4 | Town |
| Menlo | 3 | 476 | 470 | 0.21% | 608 | 1 | City |
| Lyerly | 4 | 460 | 455 | 0% | 613 | 1 | Town |
Summerville is the largest city in Chattooga County, with a population of 4,448.
Lyerly is the smallest city in Chattooga County, with a population of 460.
There are 4 cities in Chattooga County, Georgia.