ZIP codes in Muskegon County
22 ZIPs touch Muskegon County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.
22
ZIP codes
14
cross the county line
239,454
people in these ZIPs
83
counties in MI
Most people
Muskegon County ZIP list
More counties in Michigan
- Menominee County15
- Midland County20
- Missaukee County9
- Monroe County26
- Montcalm County26
- Montmorency County5
- Newaygo County22
- Oakland County91
- Oceana County12
- Ogemaw County9
- Ontonagon County12
- Osceola County9
Questions people actually ask
How many ZIP codes are in Muskegon County, Michigan?
22 ZIP codes reach into Muskegon County, including 1 PO Box or single-address ZIPs placed by the town they serve. 14 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Muskegon County has the most people?
49442 (Muskegon) has about 44,766 residents, the most of any ZIP touching Muskegon County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Muskegon 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 Muskegon 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.
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Updated 2026-11-10 · Where the data comes from