3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Thibodaux | 1 | 15,405 | 15,897 | -0.53% | 2,268 | 7 | City |
| Lockport | 2 | 2,281 | 2,490 | -1.51% | 2,013 | 1 | Town |
| Golden Meadow | 3 | 1,574 | 1,753 | -1.87% | 643 | 2 | Town |
Thibodaux is the largest city in Lafourche Parish, with a population of 15,405.
Golden Meadow is the smallest city in Lafourche Parish, with a population of 1,574.
There are 3 cities in Lafourche Parish, Louisiana.