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Wausau, WI ZIP codes

Wausau, Wisconsin has 3 ZIP codes, including 1 PO Box ZIP. They are in Marathon County.

Population in these ZIPs
56,642
Avg. median income
$70,500population-weighted
Typical home value
$249,500population-weighted
Metro area
Wausau, WI
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ZIP codes within 10 miles

Wausau, WI ZIP codes list

Wausau, WI ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
54401Marathon County31,692$71,586$258,600
54402 PO BoxMarathon County———
54403Marathon County24,950$69,030$237,900

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Wausau

Frequently asked questions

What is the ZIP code for Wausau, WI?

Wausau, WI has 3 ZIP codes: 54401, 54402 and 54403.

What county is Wausau, Wisconsin in?

Wausau ZIP codes are in Marathon County.

Which Wausau ZIP codes are PO Boxes?

54402 is a PO Box or single-organization ZIP code; it has no residential delivery area.