ZIP codes in Barry County
16 ZIPs touch Barry County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
12
cross the county line
146,022
people in these ZIPs
83
counties in MI
Most people
Barry County ZIP list
More counties in Michigan
- Alger County13
- Allegan County28
- Alpena County8
- Antrim County17
- Arenac County10
- Baraga County7
- Bay County19
- Benzie County11
- Berrien County26
- Branch County13
- Calhoun County25
- Cass County14
Questions people actually ask
How many ZIP codes are in Barry County, Michigan?
16 ZIP codes reach into Barry County, including 1 PO Box or single-address ZIPs placed by the town they serve. 12 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Barry County has the most people?
49316 (Caledonia) has about 26,427 residents, the most of any ZIP touching Barry County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Barry 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 Barry 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