There are 10 zip codes in St. Joseph County, Michigan. The most populated is 49091, located in Sturgis. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4909119,831Sturgis
4909318,445Three Rivers
490995,724White Pigeon
490424,747Constantine
490403,436Colon
490323,232Centreville
490722,753Mendon
490302,486Burr Oak
49066645Leonidas
49075166Nottawa
showing: 10 rows

Zip Codes in St. Joseph County, Michigan by Population (2024)