Plain

City ZIP codes · Wisconsin

Wausau, WI ZIP Codes

3 ZIP codes use the postal name Wausau, Wisconsin (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $69,030 in 54403 to $71,586 in 54401 (Census Bureau, ACS 2020-2024). Wausau's most populous ZIP code is 54401, with 31,692 people (ACS 2020-2024); 13% of its land is in the city of Wausau.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Wausau's ZIP codes?

54401: $72k median household income54403: $69k median household income544035440154401: $72k median household income54403: $69k median household income544035440154401: $72k median household income54403: $69k median household income5440354401
The 2 residential ZIP codes named Wausau, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Wausau's ZIP codes?

The highest median household income is in 54401 ($71,586), the lowest in 54403 ($69,030). Home values run from $192,600 in 54403 to $196,700 in 54401.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Wausau

Residential ZIP codes with the postal name Wausau, WI, largest first (ACS 2020-2024); sort by any column
County
54401 Marathon County 31,692 377 $72k $197k
54403 Marathon County 24,950 187 $69k $193k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Wausau

1 ZIP code named Wausau has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Wausau, WI: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
54402Marathon County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Wausau's ZIP codes reach?

Wausau's residential ZIP codes lie in Marathon County.

Which places do Wausau's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Wausau's residential ZIP codes cover Wausau itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Wausau's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Wausau starts with 544.

Three-digit prefixes of Wausau's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Wausau's
PrefixSectional centerHereAll codes
544 Green Bay, WI (SCF 541) 3 86

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.