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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Custer, WA

Custer, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 98240StandardWhatcom3,061360 / 564

Timezone(s):Pacific (GMT -08:00)
Counties:WHATCOM, WA
Population:366 (More Details)
Male Population:185
Female Population:181
Median Age:41
ZIP Codes:1
Area Codes:2
Total Area:2,503 square miles (county)
Land Area:2,107 square miles (county)
Water Area:397 square miles (county)

Custer, WA Demographic Information *

Total population366
Male population185
Female population181
Median age (years)41.1
White Population327
Black Population2
Indian Population1
Asian Population7
Hawaiian Population0
Hispanic Population32
Median age (Male)38.3
Median age (Female)41.6
Total households138
Family households (families)98
Average household size2.65
Average family size3.18
Total housing units147
* Demographic data is based on 2010 Census.

Custer, WA Other Information

26 Cities within 30 miles of Custer, WA Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],