Oceana County, Michigan Zip Codes

Zip Code	City	Population
49420	Hart	6,145
49421	Hesperia	5,823
49455	Shelby	5,149
49449	Pentwater	2,703
49446	New Era	2,349
49452	Rothbury	2,231
49436	Mears	1,672
49459	Walkerville	1,647

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.