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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Maryland Heights, MO

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Area Code(s):314, 636
Timezone(s):Central (GMT -06:00)
City Population:27,472 (More Details)
CBSA:St. Louis, MO-IL
Congressional District(s):01, 02
Land Area:508 square miles (county)
Water Area:15 square miles (county)

1 ZIP Code

Maryland Heights, MO ZIP Code Boundaries

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Maryland Heights, MO Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
63043Standard22,367100.00%CHAMP, HAZELWOOD, MARYLAND HTS

Maryland Heights, MO Demographic Information *

Total population**27,472
Male population13,387
Female population14,085
Median age (years)35
White Population20,122
Black Population3,262
Indian Population64
Asian Population2,696
Hawaiian Population13
Hispanic Population1,233
Median age (Male)33.5
Median age (Female)36.6
Total households12,180
Family households (families)6,766
Average household size2.21
Average family size2.9
Total housing units13,092
* Demographic data is based on 2010 Census for the City of MARYLAND HEIGHTS.
** 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],