9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Houma | 1 | 31,252 | 33,411 | -1.32% | 2,160 | 14 | City |
| Houma | 2 | 31,252 | 33,346 | -1.32% | 2,160 | 14 | City |
| Bayou Cane | 3 | 21,589 | 20,307 | 0.69% | 2,836 | 8 | CDP |
| Gray | 4 | 6,043 | 6,366 | 0.52% | 526 | 11 | CDP |
| Schriever | 5 | 5,123 | 5,734 | -2.2% | 359 | 14 | CDP |
| Chauvin | 6 | 2,411 | 2,771 | -1.35% | 506 | 5 | CDP |
| Bourg | 7 | 1,868 | 2,535 | -2.45% | 331 | 6 | CDP |
| Montegut | 8 | 1,299 | 1,809 | -1.22% | 309 | 4 | CDP |
| Dulac | 9 | 689 | 798 | -7.02% | 43 | 16 | CDP |
Houma is the largest city in Terrebonne Parish, with a population of 31,252.
Dulac is the smallest city in Terrebonne Parish, with a population of 689.
There are 9 cities in Terrebonne Parish, Louisiana.