ZIP codes in Washburn County
14 ZIPs touch Washburn County, Wisconsin. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
10
cross the county line
54,111
people in these ZIPs
72
counties in WI
Most people
Washburn County ZIP list
More counties in Wisconsin
- St. Croix County18
- Taylor County16
- Trempealeau County14
- Vernon County18
- Vilas County13
- Walworth County20
- Washington County18
- Waukesha County36
- Waupaca County18
- Waushara County19
- Winnebago County22
- Wood County18
Questions people actually ask
How many ZIP codes are in Washburn County, Wisconsin?
14 ZIP codes reach into Washburn County, including 2 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Washburn County has the most people?
54868 (Rice Lake) has about 16,323 residents, the most of any ZIP touching Washburn County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Washburn 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 Washburn 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