16 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| Fort Polk South | Allen Parish | 8,149 |
| Franklin | St. Mary Parish | 6,118 |
| Franklinton | Washington Parish | 3,543 |
| Farmerville | Union Parish | 3,234 |
| Ferriday | Concordia Parish | 2,870 |
| Fort Polk North | Vernon Parish | 1,878 |
| Fifth Ward | Avoyelles Parish | 1,234 |
| French Settlement | Livingston Parish | 1,183 |
| Fordoche | Pointe Coupee Parish | 854 |
| Folsom | St. Tammany Parish | 838 |
| Forest Hill | Rapides Parish | 602 |
| Florien | Sabine Parish | 539 |
| Fort Jesup | Sabine Parish | 476 |
| Forest | West Carroll Parish | 278 |
| Fenton | Jefferson Davis Parish | 205 |
| Fisher | Sabine Parish | 187 |