Identifiers: city · town · CDP · village
| Rank | Community | Population |
|---|---|---|
| 1 | Lafayette (city), LA | 121,374 |
| 2 | Crowley (city), LA | 11,710 |
| 3 | Jennings (city), LA | 9,837 |
| 4 | Eunice (city), LA | 9,422 |
| 5 | Carencro (city), LA | 9,272 |
| 6 | Scott (city), LA | 8,119 |
| 7 | Breaux Bridge (city), LA | 7,513 |
| 8 | Rayne (city), LA | 7,236 |
| 9 | Kaplan (city), LA | 4,352 |
| 10 | Church Point (town), LA | 4,179 |
| 11 | Welsh (town), LA | 3,333 |
| 12 | Ossun (CDP), LA | 2,145 |
| 13 | Maurice (village), LA | 2,118 |
| 14 | Duson (town), LA | 1,326 |
| 15 | Iota (town), LA | 1,304 |
| 16 | Gueydan (town), LA | 1,165 |
| 17 | Estherwood (village), LA | 694 |
| 18 | Egan (CDP), LA | 618 |
| 19 | Morse (village), LA | 599 |
| 20 | Cankton (village), LA | 583 |