7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crowley | 1 | 10,985 | 11,678 | -1.04% | 1,877 | 6 | City |
| Rayne | 2 | 6,853 | 7,243 | -0.94% | 1,807 | 4 | City |
| Church Point | 3 | 3,960 | 4,175 | -0.9% | 1,368 | 3 | Town |
| Iota | 4 | 1,232 | 1,306 | -0.96% | 970 | 1 | Town |
| Estherwood | 5 | 669 | 698 | -0.74% | 359 | 2 | Village |
| Morse | 6 | 600 | 593 | 0.17% | 428 | 1 | Village |
| Mermentau | 7 | 484 | 519 | -1.22% | 227 | 2 | Village |
Crowley is the largest city in Acadia Parish, with a population of 10,985.
Mermentau is the smallest city in Acadia Parish, with a population of 484.
There are 7 cities in Acadia Parish, Louisiana.