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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Festus, MO

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Area Code(s):636
Timezone(s):Central (GMT -06:00)
City Population:11,602 (More Details)
CBSA:St. Louis, MO-IL
Congressional District(s):03, 08
Land Area:657 square miles (county)
Water Area:8 square miles (county)

1 ZIP Code

Festus, MO ZIP Code Boundaries

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Festus, MO Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Festus, MO Demographic Information *

Total population**11,602
Male population5,598
Female population6,004
Median age (years)34.9
White Population10,843
Black Population389
Indian Population25
Asian Population93
Hawaiian Population5
Hispanic Population141
Median age (Male)33.2
Median age (Female)37
Total households4,636
Family households (families)3,036
Average household size2.47
Average family size3.04
Total housing units4,972
* Demographic data is based on 2010 Census for the City of FESTUS.
** City and ZIP Code Population will not be equal due to differences in their geographies.


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