5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Glennville | 1 | 5,019 | 5,273 | -0.83% | 712 | 7 | City |
| Reidsville | 2 | 2,572 | 2,521 | 0.35% | 340 | 8 | City |
| Collins | 3 | 542 | 542 | 0% | 531 | 1 | City |
| Cobbtown | 4 | 337 | 342 | -0.3% | 504 | 1 | City |
| Manassas | 5 | 61 | 60 | 0% | 79 | 1 | City |
Glennville is the largest city in Tattnall County, with a population of 5,019.
Manassas is the smallest city in Tattnall County, with a population of 61.
There are 5 cities in Tattnall County, Georgia.