ZIP codes in Oceana County

12 ZIPs touch Oceana County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.

12

ZIP codes

7

cross the county line

51,435

people in these ZIPs

83

counties in MI

Most people

Oceana County ZIP list

Questions people actually ask

How many ZIP codes are in Oceana County, Michigan?

12 ZIP codes reach into Oceana County. 7 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Oceana County has the most people?

49412 (Fremont) has about 12,097 residents, the most of any ZIP touching Oceana County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Oceana County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Oceana County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

Updated 2026-11-10 · Where the data comes from