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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2023

ZIP Codes for City of South Milwaukee, WI

South Milwaukee, WI Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 53172StandardMilwaukee21,156

Timezone(s):Central (GMT -06:00)
Population:21,156 (More Details)
Male Population:10,373
Female Population:10,783
Median Age:40
ZIP Codes:1
Area Codes:1
Total Area:1,190 square miles (county)
Land Area:241 square miles (county)
Water Area:948 square miles (county)

South Milwaukee, WI Demographic Information *

Total population21,156
Male population10,373
Female population10,783
Median age (years)40.3
White Population19,389
Black Population432
Indian Population174
Asian Population233
Hawaiian Population2
Hispanic Population1,699
Median age (Male)38.9
Median age (Female)41.6
Total households9,043
Family households (families)5,475
Average household size2.31
Average family size2.93
Total housing units9,722
* Demographic data is based on 2010 Census. Products


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