Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Wausau, WI

Wausau, WI Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 54401StandardMarathon30,702
ZIP Code 54402P.O. BoxMarathon0
ZIP Code 54403StandardMarathon24,272

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:2
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. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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],