6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Thomasville | 1 | 18,352 | 18,867 | -0.56% | 1,222 | 15 | City |
| Boston | 2 | 1,220 | 1,210 | 0.16% | 542 | 2 | City |
| Meigs | 3 | 932 | 922 | 0.22% | 599 | 2 | City |
| Ochlocknee | 4 | 677 | 667 | 0.3% | 731 | 1 | Town |
| Pavo | 5 | 601 | 616 | -0.5% | 341 | 2 | City |
| Coolidge | 6 | 531 | 526 | 0.19% | 650 | 1 | City |
Thomasville is the largest city in Thomas County, with a population of 18,352.
Coolidge is the smallest city in Thomas County, with a population of 531.
There are 6 cities in Thomas County, Georgia.