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Assumption Parish, Louisiana Zip Codes
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
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.