6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Royston | 1 | 2,673 | 2,649 | 0.15% | 815 | 3 | City |
| Lavonia | 2 | 2,181 | 2,132 | 0.37% | 484 | 5 | City |
| Franklin Springs | 3 | 1,194 | 1,154 | 0.59% | 548 | 2 | City |
| Carnesville | 4 | 799 | 714 | 1.78% | 227 | 4 | City |
| Canon | 5 | 733 | 648 | 1.95% | 235 | 3 | City |
| Avalon | 6 | 247 | 232 | 1.23% | 140 | 2 | Town |
Royston is the largest city in Franklin County, with a population of 2,673.
Avalon is the smallest city in Franklin County, with a population of 247.
There are 6 cities in Franklin County, Georgia.