| Zip Code | City | Population ↓ |
|---|---|---|
| 70301 | Thibodaux | 50,095 |
| 70394 | Raceland | 13,395 |
| 70345 | Cut Off | 8,344 |
| 70374 | Lockport | 5,872 |
| 70373 | Larose | 5,539 |
| 70343 | Bourg | 5,280 |
| 70354 | Galliano | 3,404 |
| 70357 | Golden Meadow | 2,351 |
| 70355 | Gheens | 957 |
| 70310 | Thibodaux | 327 |
| 70375 | Mathews | 178 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Lafourche Parish, Louisiana (US Census).