ZIP codes in Winona County
16 ZIPs touch Winona County, Minnesota. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
9
cross the county line
71,882
people in these ZIPs
87
counties in MN
Most people
Winona County ZIP list
More counties in Minnesota
- Wabasha County13
- Wadena County7
- Waseca County13
- Washington County19
- Watonwan County10
- Wilkin County11
- Wright County22
- Yellow Medicine County14
Questions people actually ask
How many ZIP codes are in Winona County, Minnesota?
16 ZIP codes reach into Winona County, including 2 PO Box or single-address ZIPs placed by the town they serve. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Winona County has the most people?
55987 (Winona) has about 34,072 residents, the most of any ZIP touching Winona County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Winona 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 Winona 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