Oceana County, Michigan Zip Codes by Population (2024)

The most populated Zip Code in Oceana County, Michigan is 49420, located in Hart. * 2024 populations estimated based on the latest ACS 5-year data.

Zip Code
City
Population
49420Hart6,145
49421Hesperia5,823
49455Shelby5,149
49449Pentwater2,703
49446New Era2,349
49452Rothbury2,231
49436Mears1,672
49459Walkerville1,647