ZIP codes in Vernon County
18 ZIPs touch Vernon County, Wisconsin. The blue dashed line is the county border; orange ZIPs reach into it.
18
ZIP codes
15
cross the county line
46,508
people in these ZIPs
72
counties in WI
Most people
Vernon County ZIP list
More counties in Wisconsin
- Sawyer County12
- Shawano County27
- Sheboygan County20
- St. Croix County18
- Taylor County16
- Trempealeau County14
- Vilas County13
- Walworth County20
- Washburn County14
- Washington County18
- Waukesha County36
- Waupaca County18
Questions people actually ask
How many ZIP codes are in Vernon County, Wisconsin?
18 ZIP codes reach into Vernon County. 15 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Vernon County has the most people?
54665 (Viroqua) has about 8,863 residents, the most of any ZIP touching Vernon County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Vernon 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 Vernon 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