9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 70070 | Luling | 13,873 |
| 70047 | Destrehan | 13,354 |
| 70087 | Saint Rose | 6,939 |
| 70057 | Hahnville | 4,475 |
| 70030 | Des Allemands | 4,028 |
| 70079 | Norco | 2,822 |
| 70039 | Boutte | 2,248 |
| 70031 | Ama | 1,473 |
| 70080 | Paradis | 744 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in St. Charles Parish, Louisiana (US Census).