28 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Russellville | Franklin County | 10,635 |
| Rainbow City | Cherokee County | 10,400 |
| Robertsdale | Baldwin County | 7,867 |
| Rainsville | DeKalb County | 5,924 |
| Roanoke | Randolph County | 5,434 |
| Redland | Elmore County | 5,266 |
| Remlap | Blount County | 3,194 |
| Red Bay | Franklin County | 3,152 |
| Riverside | St. Clair County | 2,292 |
| Rehobeth | Geneva County | 2,163 |
| Ragland | St. Clair County | 1,711 |
| Rogersville | Lauderdale County | 1,451 |
| Rock Creek | Jefferson County | 1,444 |
| Reform | Pickens County | 1,422 |
| Redstone Arsenal | Madison County | 752 |
| Reece City | Etowah County | 601 |
| River Falls | Covington County | 499 |
| Ray | Coosa County | 472 |
| Ranburne | Cleburne County | 438 |
| Red Level | Covington County | 437 |
| Rock Mills | Chambers County | 387 |
| Reeltown | Elmore County | 386 |
| Rosa | Blount County | 383 |
| Rockford | Coosa County | 346 |
| Rutledge | Crenshaw County | 346 |
| Repton | Conecuh County | 223 |
| Riverview | Conecuh County | 165 |
| Ridgeville | DeKalb County | 82 |