7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 70769 | Prairieville | 48,074 |
| 70737 | Gonzales | 47,971 |
| 70774 | Saint Amant | 10,093 |
| 70734 | Geismar | 9,880 |
| 70346 | Donaldsonville | 9,831 |
| 70778 | Sorrento | 2,879 |
| 70725 | Darrow | 995 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Ascension Parish, Louisiana (US Census).