16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Livingston | 1 | 3,090 | 3,435 | -1.53% | 433 | 7 | City |
| Livingston | 2 | 3,090 | 3,329 | -1.53% | 433 | 7 | City |
| York | 3 | 2,246 | 2,417 | -1.4% | 327 | 7 | City |
| York | 4 | 2,246 | 2,404 | -1.4% | 327 | 7 | City |
| Cuba | 5 | 273 | 305 | -2.15% | 67 | 4 | Town |
| Cuba | 6 | 273 | 303 | -2.15% | 67 | 4 | Town |
| Epes | 7 | 265 | 271 | -0.38% | 40 | 7 | Town |
| Epes | 8 | 265 | 269 | -0.38% | 40 | 7 | Town |
| Gainesville | 9 | 161 | 174 | -1.83% | 94 | 2 | Town |
| Gainesville | 10 | 161 | 173 | -1.83% | 94 | 2 | Town |
| Geiger | 11 | 152 | 155 | -0.65% | 161 | 1 | Town |
| Geiger | 12 | 152 | 154 | -0.65% | 161 | 1 | Town |
| Panola | 13 | 72 | 33 | -5.26% | 100 | 1 | CDP |
| Emelle | 14 | 27 | 32 | -3.57% | 128 | 0 | Town |
| Emelle | 15 | 27 | 32 | -3.57% | 128 | 0 | Town |
| Bellamy | 16 | 5 | 359 | -87.8% | 1 | 4 | CDP |
Livingston is the largest city in Sumter County, with a population of 3,090.
Bellamy is the smallest city in Sumter County, with a population of 5.
There are 16 cities in Sumter County, Alabama.