11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Belle Chasse | 1 | 10,307 | 10,241 | -1.51% | 1,262 | 8 | CDP |
| New Orleans Station | 2 | 3,625 | 2,883 | 7.15% | 697 | 5 | CDP |
| Poydras | 3 | 2,554 | 2,506 | 0.55% | 654 | 4 | CDP |
| Port Sulphur | 4 | 1,551 | 2,174 | -0.89% | 287 | 5 | CDP |
| Empire | 5 | 1,000 | 1,124 | 0% | 192 | 5 | CDP |
| Buras | 6 | 915 | 896 | -0.22% | 398 | 2 | CDP |
| Boothville | 7 | 518 | 605 | -4.07% | 241 | 2 | CDP |
| Pointe Hache | 8 | 367 | 360 | 3.38% | 208 | 2 | CDP |
| Triumph | 9 | 221 | 320 | 0% | 79 | 3 | CDP |
| Venice | 10 | 192 | 280 | -0.52% | 191 | 1 | CDP |
| Delacroix | 11 | 145 | 72 | 7.41% | 656 | 0 | CDP |
Belle Chasse is the largest city in Plaquemines Parish, with a population of 10,307.
Delacroix is the smallest city in Plaquemines Parish, with a population of 145.
There are 11 cities in Plaquemines Parish, Louisiana.