2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Carrabelle | 1 | 2,558 | 2,617 | -0.47% | 534 | 5 | City |
| Apalachicola | 2 | 2,491 | 2,338 | 1.22% | 1,294 | 2 | City |
Carrabelle is the largest city in Franklin County, with a population of 2,558.
Apalachicola is the smallest city in Franklin County, with a population of 2,491.
There are 2 cities in Franklin County, Florida.