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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Wentzville, MO

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Area Code(s):636
Timezone(s):Central (GMT -06:00)
City Population:29,070 (More Details)
CBSA:St. Louis, MO-IL
Congressional District(s):02, 03
Land Area:560 square miles (county)
Water Area:32 square miles (county)

2 ZIP Codes

Wentzville, MO ZIP Code Boundaries

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Wentzville, MO Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
63365P.O. Box00.00%WENTZVILLE
63385Standard35,750100.00%GILMORE, JOSEPHVILLE, NEW MELLE

Wentzville, MO Demographic Information *

Total population**29,070
Male population14,099
Female population14,971
Median age (years)31.2
White Population26,122
Black Population1,738
Indian Population76
Asian Population356
Hawaiian Population1
Hispanic Population788
Median age (Male)30.9
Median age (Female)31.4
Total households9,767
Family households (families)7,852
Average household size2.96
Average family size3.31
Total housing units10,305
* Demographic data is based on 2010 Census for the City of WENTZVILLE.
** 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],