Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Gadsden (city), AL | 33,945 |
| 2 | Rainbow City (city), AL | 10,191 |
| 3 | Boaz (city), AL | 10,107 |
| 4 | Saks (CDP), AL | 9,956 |
| 5 | Southside (city), AL | 9,426 |
| 6 | Attalla (city), AL | 5,827 |
| 7 | Glencoe (city), AL | 5,372 |
| 8 | Piedmont (city), AL | 4,787 |
| 9 | Hokes Bluff (city), AL | 4,446 |
| 10 | Alexandria (CDP), AL | 4,032 |
| 11 | Centre (city), AL | 3,587 |
| 12 | Ashville (city), AL | 2,346 |
| 13 | Carlisle-Rockledge (CDP), AL | 2,167 |
| 14 | Whitesboro (CDP), AL | 2,113 |
| 15 | Collinsville (city), AL | 2,059 |
| 16 | Sardis City (town), AL | 1,814 |
| 17 | Lookout Mountain (CDP), AL | 1,484 |
| 18 | Ballplay (CDP), AL | 1,437 |
| 19 | Coats Bend (CDP), AL | 1,318 |
| 20 | Ohatchee (town), AL | 1,157 |