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ZIP codes in Jackson County

15 ZIPs touch Jackson County, Wisconsin. The blue dashed line is the county border; orange ZIPs reach into it.

15

ZIP codes

12

cross the county line

37,131

people in these ZIPs

72

counties in WI

Most people

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Jackson County ZIP list

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Questions people actually ask

How many ZIP codes are in Jackson County, Wisconsin?

15 ZIP codes reach into Jackson County. 12 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Jackson County has the most people?

54615 (Black River Falls) has about 11,315 residents, the most of any ZIP touching Jackson County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Jackson 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 Jackson 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