28 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Russellville | Franklin County | 10,704 |
| Rainbow City | Cherokee County | 10,383 |
| Robertsdale | Baldwin County | 7,829 |
| Rainsville | DeKalb County | 6,031 |
| Roanoke | Randolph County | 5,450 |
| Redland | Elmore County | 5,266 |
| Remlap | Blount County | 3,194 |
| Red Bay | Franklin County | 3,156 |
| Riverside | St. Clair County | 2,324 |
| Rehobeth | Geneva County | 2,187 |
| Ragland | St. Clair County | 1,713 |
| Rogersville | Lauderdale County | 1,445 |
| Rock Creek | Jefferson County | 1,444 |
| Reform | Pickens County | 1,417 |
| Redstone Arsenal | Madison County | 752 |
| Reece City | Etowah County | 608 |
| River Falls | Covington County | 489 |
| Ray | Coosa County | 472 |
| Ranburne | Cleburne County | 440 |
| Red Level | Covington County | 429 |
| Rock Mills | Chambers County | 387 |
| Reeltown | Elmore County | 386 |
| Rosa | Blount County | 382 |
| Rockford | Coosa County | 348 |
| Rutledge | Crenshaw County | 343 |
| Repton | Conecuh County | 219 |
| Riverview | Conecuh County | 162 |
| Ridgeville | DeKalb County | 84 |