There are 6 zip codes in Posey County, Indiana. The most populated is 47620, located in Mount Vernon. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4762012,738Mount Vernon
476383,529Wadesville
476332,274Poseyville
476312,097New Harmony
47612790Cynthiana
47616279Griffin
showing: 6 rows

Zip Codes in Posey County, Indiana by Population (2024)