| City | County | 2026 Pop. ↓ |
|---|---|---|
| Alexandria | Rapides Parish | 42,456 |
| Abbeville | Vermilion Parish | 10,800 |
| Addis | West Baton Rouge Parish | 7,876 |
| Avondale | Jefferson Parish | 5,257 |
| Arabi | St. Bernard Parish | 4,621 |
| Amite City | Livingston Parish | 4,094 |
| Abita Springs | St. Tammany Parish | 2,784 |
| Arcadia | Bienville Parish | 2,493 |
| Amelia | St. Mary Parish | 2,092 |
| Ama | St. Charles Parish | 1,509 |
| Albany | Livingston Parish | 1,244 |
| Arnaudville | St. Landry Parish | 989 |
| Anacoco | Vernon Parish | 777 |
| Angie | Washington Parish | 245 |
| Athens | Claiborne Parish | 230 |
| Ashland | Natchitoches Parish | 187 |
| Atlanta | Winn Parish | 174 |