11 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marianna | 1 | 8,819 | 6,286 | 5.03% | 461 | 19 | City |
| Graceville | 2 | 2,254 | 2,149 | 0.81% | 521 | 4 | City |
| Sneads | 3 | 1,819 | 1,702 | 1.11% | 413 | 4 | Town |
| Malone | 4 | 1,550 | 1,826 | -2.88% | 509 | 3 | Town |
| Grand Ridge | 5 | 944 | 886 | 1.07% | 194 | 5 | Town |
| Cottondale | 6 | 894 | 849 | 0.9% | 273 | 3 | Town |
| Greenwood | 7 | 570 | 543 | 0.88% | 125 | 5 | Town |
| Alford | 8 | 532 | 492 | 1.33% | 504 | 1 | Town |
| Jacob City | 9 | 236 | 217 | 1.29% | 77 | 3 | City |
| Campbellton | 10 | 208 | 193 | 1.46% | 80 | 3 | Town |
| Bascom | 11 | 95 | 88 | 1.06% | 396 | 0 | Town |
Marianna is the largest city in Jackson County, with a population of 8,819.
Bascom is the smallest city in Jackson County, with a population of 95.
There are 11 cities in Jackson County, Florida.