| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Royston | 1 | 2,702 | 2,642 | 0.33% | 824 | 3 | City |
| Lavonia | 2 | 2,213 | 2,131 | 0.59% | 491 | 5 | City |
| Franklin Springs | 3 | 1,213 | 1,142 | 0.58% | 557 | 2 | City |
| Carnesville | 4 | 893 | 697 | 1.59% | 253 | 4 | City |
| Canon | 5 | 747 | 652 | 2.05% | 239 | 3 | City |
| Avalon | 6 | 246 | 232 | 0.82% | 139 | 2 | Town |
Royston is the largest city in Franklin County, with a population of 2,702.
Avalon is the smallest city in Franklin County, with a population of 246.
There are 6 cities in Franklin County, Georgia.