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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Mount Vernon, WA

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Counties:SKAGIT, WA
Area Code(s):360, 564
Timezone(s):Pacific (GMT -08:00)
City Population:31,743 (More Details)
CBSA:Mount Vernon-Anacortes, WA
Congressional District(s):01, 02
Land Area:1,731 square miles (county)
Water Area:189 square miles (county)

2 ZIP Codes

Mount Vernon, WA ZIP Code Boundaries

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Mount Vernon, WA Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases

Mount Vernon, WA Demographic Information *

Total population**31,743
Male population15,563
Female population16,180
Median age (years)32.3
White Population23,120
Black Population323
Indian Population513
Asian Population846
Hawaiian Population68
Hispanic Population10,686
Median age (Male)31
Median age (Female)33.7
Total households11,342
Family households (families)7,443
Average household size2.74
Average family size3.33
Total housing units12,058
* Demographic data is based on 2010 Census for the City of MOUNT VERNON.
** 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],