16 cities
| City | Parish | 2026 Pop. ↓ |
|---|---|---|
| Fort Polk South | Allen Parish | 7,829 |
| Franklin | St. Mary Parish | 6,091 |
| Franklinton | Washington Parish | 3,569 |
| Farmerville | Union Parish | 3,335 |
| Ferriday | Concordia Parish | 2,898 |
| Fort Polk North | Vernon Parish | 1,842 |
| French Settlement | Livingston Parish | 1,192 |
| Fifth Ward | Avoyelles Parish | 1,174 |
| Folsom | St. Tammany Parish | 856 |
| Fordoche | Pointe Coupee Parish | 840 |
| Forest Hill | Rapides Parish | 614 |
| Florien | Sabine Parish | 538 |
| Fort Jesup | Sabine Parish | 369 |
| Forest | West Carroll Parish | 279 |
| Fenton | Jefferson Davis Parish | 210 |
| Fisher | Sabine Parish | 185 |