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ZIP Code Database - Facts & Stats

Data Last Updated: August 1, 2022

ZIP Codes for City of O Fallon, IL

O Fallon, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 62269StandardSaint Clair31,348618

Timezone(s):Central (GMT -06:00)
Population:31,348 (More Details)
Male Population:15,262
Female Population:16,086
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:674 square miles (county)
Land Area:658 square miles (county)
Water Area:16 square miles (county)

O Fallon, IL Demographic Information *

There is no Census data for the city of O FALLON, IL. We have pulled information for the ZIP Code 62269 instead.
Total population31,348
Male population15,262
Female population16,086
Median age (years)36.8
White Population24,751
Black Population4,404
Indian Population75
Asian Population878
Hawaiian Population32
Hispanic Population1,070
Median age (Male)35.6
Median age (Female)37.9
Total households11,924
Family households (families)8,661
Average household size2.63
Average family size3.11
Total housing units12,753
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 8/1/2022],
  2. Internal Data Creation [Last Updated: 8/1/2022],
  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],