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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Munster, IN

Munster, IN Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 46321StandardLake23,603219

Timezone(s):Central (GMT -06:00)
Counties:LAKE, IN
Population:23,603 (More Details)
Male Population:11,341
Female Population:12,262
Median Age:45
ZIP Codes:1
Area Codes:1
Total Area:627 square miles (county)
Land Area:499 square miles (county)
Water Area:128 square miles (county)

Munster, IN Demographic Information *

Total population23,603
Male population11,341
Female population12,262
Median age (years)44.8
White Population20,208
Black Population821
Indian Population47
Asian Population1,377
Hawaiian Population3
Hispanic Population2,410
Median age (Male)43.2
Median age (Female)46
Total households9,015
Family households (families)6,540
Average household size2.59
Average family size3.1
Total housing units9,393
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],