Posey County, Indiana ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
20,744
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 | 47620 | Mount Vernon | 12,361 |
| 2 | 47638 | Wadesville | 3,633 |
| 3 | 47633 | Poseyville | 2,602 |
| 4 | 47631 | New Harmony | 2,148 |
Cities in Posey County
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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.