3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Algood | 1 | 4,134 | 3,984 | 0.73% | 1,011 | 4 | City |
| South Carthage | 2 | 1,608 | 1,486 | 1.52% | 627 | 3 | Town |
| Gainesboro | 3 | 969 | 926 | 0.83% | 622 | 2 | Town |
Algood is the largest city in Jackson County, with a population of 4,134.
Gainesboro is the smallest city in Jackson County, with a population of 969.
There are 3 cities in Jackson County, Tennessee.