4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Algood | 1 | 4,205 | 3,984 | 1.06% | 1,028 | 4.09 | City |
| South Carthage | 2 | 1,640 | 1,490 | 1.86% | 640 | 2.56 | Town |
| Gainesboro | 3 | 994 | 926 | 1.43% | 638 | 1.56 | Town |
| Dodson Branch | 4 | 746 | 1,105 | -2.86% | 67 | 11.11 | CDP |
Algood is the largest city in Jackson County, with a population of 4,205.
Dodson Branch is the smallest city in Jackson County.
There are 4 cities in Jackson County, Tennessee.