ZIP codes in La Crosse County
16 ZIPs touch La Crosse County, Wisconsin. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
9
cross the county line
157,169
people in these ZIPs
72
counties in WI
Most people
La Crosse County ZIP list
More counties in Wisconsin
- Iron County12
- Jackson County15
- Jefferson County19
- Juneau County16
- Kenosha County24
- Kewaunee County6
- Lafayette County14
- Langlade County16
- Lincoln County8
- Manitowoc County22
- Marathon County31
- Marinette County16
Questions people actually ask
How many ZIP codes are in La Crosse County, Wisconsin?
16 ZIP codes reach into La Crosse County, including 1 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 La Crosse County has the most people?
54601 (La Crosse) has about 50,397 residents, the most of any ZIP touching La Crosse County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in La Crosse 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 La Crosse 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