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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Westmont, IL

Westmont, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 60559StandardDupage24,852630 / 312 / 847 / 708

Timezone(s):Central (GMT -06:00)
Counties:DUPAGE, IL
Population:24,685 (More Details)
Male Population:11,546
Female Population:13,139
Median Age:39
ZIP Codes:1
Area Codes:4
Total Area:336 square miles (county)
Land Area:328 square miles (county)
Water Area:9 square miles (county)

Westmont, IL Demographic Information *

Total population24,685
Male population11,546
Female population13,139
Median age (years)39
White Population17,937
Black Population2,140
Indian Population83
Asian Population3,089
Hawaiian Population6
Hispanic Population2,757
Median age (Male)36.5
Median age (Female)41.1
Total households10,357
Family households (families)6,125
Average household size2.34
Average family size3.06
Total housing units11,225
* 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],