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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Wausau, WI

Wausau, WI Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 54401StandardMarathon30,702715
ZIP Code 54402P.O. BoxMarathon0715
ZIP Code 54403StandardMarathon24,272715

Timezone(s):Central (GMT -06:00)
Population:39,106 (More Details)
Male Population:19,211
Female Population:19,895
Median Age:37
ZIP Codes:3
Area Codes:1
Total Area:1,576 square miles (county)
Land Area:1,545 square miles (county)
Water Area:31 square miles (county)

Wausau, WI Demographic Information *

Total population39,106
Male population19,211
Female population19,895
Median age (years)36.8
White Population32,717
Black Population533
Indian Population304
Asian Population4,325
Hawaiian Population8
Hispanic Population1,149
Median age (Male)34.5
Median age (Female)39.4
Total households16,487
Family households (families)9,415
Average household size2.31
Average family size3.02
Total housing units18,154
* Demographic data is based on 2010 Census.

Wausau, WI Other Information

41 Cities within 30 miles of Wausau, WI Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],