ZIP codes in Berrien County
26 ZIPs touch Berrien County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.
26
ZIP codes
7
cross the county line
178,478
people in these ZIPs
83
counties in MI
Most people
Berrien County ZIP list
More counties in Michigan
- Antrim County17
- Arenac County10
- Baraga County7
- Barry County16
- Bay County19
- Benzie County11
- Branch County13
- Calhoun County25
- Cass County14
- Charlevoix County11
- Cheboygan County16
- Chippewa County20
Questions people actually ask
How many ZIP codes are in Berrien County, Michigan?
26 ZIP codes reach into Berrien County, including 2 PO Box or single-address ZIPs placed by the town they serve. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Berrien County has the most people?
49120 (Niles) has about 36,495 residents, the most of any ZIP touching Berrien County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Berrien 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 Berrien 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