3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Algood | 1 | 4,164 | 3,984 | 0.73% | 1,018 | 4 | City |
| South Carthage | 2 | 1,633 | 1,486 | 1.55% | 637 | 3 | Town |
| Gainesboro | 3 | 978 | 926 | 0.93% | 628 | 2 | Town |
Algood is the largest city in Jackson County, with a population of 4,164.
Gainesboro is the smallest city in Jackson County, with a population of 978.
There are 3 cities in Jackson County, Tennessee.