There are 13 zip codes in Hillsdale County, Michigan. The most populated is 49242, located in Hillsdale. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4924214,718Hillsdale
492505,825Jonesville
492743,727Reading
492493,350Jerome
492663,338Osseo
492322,742Camden
492522,475Litchfield
492711,946Pittsford
492881,518Waldron
492621,238North Adams
492271,194Allen
4928271Somerset Center
4925810Mosherville

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