| Zip Code | City | Population ↓ |
|---|---|---|
| 70764 | Plaquemine | 15,578 |
| 70776 | Saint Gabriel | 5,826 |
| 70788 | White Castle | 4,076 |
| 70757 | Maringouin | 1,880 |
| 70772 | Rosedale | 1,197 |
| 70740 | Grosse Tete | 982 |
| 70780 | Sunshine | 980 |
| 70721 | Carville | 484 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Iberville Parish, Louisiana (US Census).