There are 8 zip codes in Oceana County, Michigan. The most populated is 49420, located in Hart. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
494206,145Hart
494215,823Hesperia
494555,149Shelby
494492,703Pentwater
494462,349New Era
494522,231Rothbury
494361,672Mears
494591,647Walkerville

Zip Codes in Oceana County, Michigan by Population (2024)