11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marianna | 1 | 7,966 | 6,285 | 4.4% | 428 | 18.60 | City |
| Graceville | 2 | 2,246 | 2,151 | 0.85% | 519 | 4.33 | City |
| Sneads | 3 | 1,792 | 1,701 | 1.01% | 407 | 4.40 | Town |
| Malone | 4 | 1,327 | 1,926 | -8.29% | 435 | 3.05 | Town |
| Grand Ridge | 5 | 930 | 884 | 0.98% | 214 | 4.35 | Town |
| Cottondale | 6 | 883 | 845 | 0.91% | 270 | 3.27 | Town |
| Greenwood | 7 | 563 | 538 | 0.9% | 123 | 4.56 | Town |
| Alford | 8 | 534 | 493 | 1.52% | 506 | 1.05 | Town |
| Jacob City | 9 | 231 | 216 | 1.32% | 76 | 3.05 | City |
| Campbellton | 10 | 202 | 192 | 1% | 78 | 2.60 | Town |
| Bascom | 11 | 92 | 87 | 1.1% | 383 | 0.24 | Town |
Marianna is the largest city in Jackson County, with a population of 7,966.
Bascom is the smallest city in Jackson County.
There are 11 cities in Jackson County, Florida.