The most populated Zip Code in Assumption Parish, Louisiana is 70380, located in Morgan City. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
|---|---|---|
| 70380 | Morgan City | 20,877 |
| 70390 | Napoleonville | 7,336 |
| 70339 | Pierre Part | 4,769 |
| 70341 | Belle Rose | 3,848 |
| 70372 | Labadieville | 1,967 |
| 70393 | Plattenville | 151 |
| 70391 | Paincourtville | 101 |