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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Oconomowoc, WI

Oconomowoc, WI Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 53066StandardWaukesha33,830

Timezone(s):Central (GMT -06:00)
Population:15,759 (More Details)
Male Population:7,524
Female Population:8,235
Median Age:39
ZIP Codes:1
Area Codes:2
Total Area:581 square miles (county)
Land Area:550 square miles (county)
Water Area:31 square miles (county)

Oconomowoc, WI Demographic Information *

Total population15,759
Male population7,524
Female population8,235
Median age (years)38.6
White Population15,130
Black Population71
Indian Population35
Asian Population160
Hawaiian Population2
Hispanic Population559
Median age (Male)37.8
Median age (Female)39.3
Total households6,256
Family households (families)4,270
Average household size2.48
Average family size3.04
Total housing units6,662
* 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],