There are 6 zip codes in Mason County, Michigan. The most populated is 49431, located in Ludington. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4943117,121Ludington
494544,783Scottville
494101,837Fountain
494051,705Custer
494111,572Free Soil
49458134Walhalla
showing: 6 rows

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