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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2023

ZIP Codes for City of Mount Vernon, VA

Mount Vernon, VA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 22121P.O. BoxFairfax0

Timezone(s):Eastern (GMT -05:00)
Counties:FAIRFAX, VA
Population:12,416 (More Details)
Male Population:6,143
Female Population:6,273
Median Age:43
ZIP Codes:1
Area Codes:2
Total Area:406 square miles (county)
Land Area:391 square miles (county)
Water Area:15 square miles (county)

Mount Vernon, VA Demographic Information *

Total population12,416
Male population6,143
Female population6,273
Median age (years)42.9
White Population8,881
Black Population1,588
Indian Population54
Asian Population828
Hawaiian Population8
Hispanic Population1,670
Median age (Male)42.2
Median age (Female)43.5
Total households4,563
Family households (families)3,483
Average household size2.72
Average family size3.09
Total housing units4,773
* Demographic data is based on 2010 Census. Products


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