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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Arnold, MO

Arnold, MO Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 63010StandardJefferson35,439

Timezone(s):Central (GMT -06:00)
Population:20,808 (More Details)
Male Population:10,138
Female Population:10,670
Median Age:39
ZIP Codes:1
Area Codes:1
Total Area:664 square miles (county)
Land Area:657 square miles (county)
Water Area:8 square miles (county)

Arnold, MO Demographic Information *

Total population20,808
Male population10,138
Female population10,670
Median age (years)39.2
White Population20,046
Black Population116
Indian Population47
Asian Population185
Hawaiian Population5
Hispanic Population455
Median age (Male)36.9
Median age (Female)40.8
Total households8,090
Family households (families)5,695
Average household size2.55
Average family size3.02
Total housing units8,547
* Demographic data is based on 2010 Census. Products


  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],