Assumption County, Louisiana ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
17,783
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 70390 | Napoleonville | 7,160 |
| 2 | 70339 | Pierre Part | 4,848 |
| 3 | 70341 | Belle Rose | 3,690 |
| 4 | 70372 | Labadieville | 1,968 |
| 5 | 70393 | Plattenville | 117 |
Cities in Assumption County
ZIP Directory
Browse all ZIP data for Louisiana
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.