14 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Johns Creek | Forsyth County | 80,458 |
| Jefferson | Jackson County | 18,000 |
| Jesup | Wayne County | 10,447 |
| Jonesboro | Clayton County | 6,145 |
| Jackson | Butts County | 6,026 |
| Jasper | Pickens County | 5,878 |
| Jekyll Island | Glynn County | 1,327 |
| Jeffersonville | Twiggs County | 902 |
| Jenkinsburg | Butts County | 433 |
| Jersey | Walton County | 159 |
| Junction City | Talbot County | 140 |
| Jakin | Early County | 129 |
| Juliette | Monroe County | 127 |
| Jacksonville | Telfair County | 103 |