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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Oshkosh, WI

Oshkosh, WI Covers 5 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 54901StandardWinnebago37,710
ZIP Code 54902StandardWinnebago22,375
ZIP Code 54903P.O. BoxWinnebago0
ZIP Code 54904StandardWinnebago20,623
ZIP Code 54906UniqueWinnebago0

Timezone(s):Central (GMT -06:00)
Population:66,083 (More Details)
Male Population:33,836
Female Population:32,247
Median Age:34
ZIP Codes:5
Area Codes:1
Total Area:579 square miles (county)
Land Area:434 square miles (county)
Water Area:144 square miles (county)

Oshkosh, WI Demographic Information *

Total population66,083
Male population33,836
Female population32,247
Median age (years)33.5
White Population59,812
Black Population2,051
Indian Population510
Asian Population2,113
Hawaiian Population30
Hispanic Population1,770
Median age (Male)33.1
Median age (Female)34.1
Total households26,138
Family households (families)13,836
Average household size2.24
Average family size2.9
Total housing units28,179
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],