ZIP codes in Pierce County
14 ZIPs touch Pierce County, Wisconsin. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
6
cross the county line
59,315
people in these ZIPs
72
counties in WI
Most people
Pierce County ZIP list
More counties in Wisconsin
- Monroe County15
- Oconto County19
- Oneida County15
- Outagamie County28
- Ozaukee County14
- Pepin County6
- Polk County20
- Portage County23
- Price County14
- Racine County20
- Richland County15
- Rock County23
Questions people actually ask
How many ZIP codes are in Pierce County, Wisconsin?
14 ZIP codes reach into Pierce County, including 1 PO Box or single-address ZIPs placed by the town they serve. 6 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Pierce County has the most people?
54022 (River Falls) has about 24,789 residents, the most of any ZIP touching Pierce County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Pierce 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 Pierce 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