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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Hamilton, WA

Hamilton, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 98255P.O. BoxSkagit245360 / 564

Timezone(s):Pacific (GMT -08:00)
Counties:SKAGIT, WA
Population:301 (More Details)
Male Population:146
Female Population:155
Median Age:41
ZIP Codes:1
Area Codes:2
Total Area:1,920 square miles (county)
Land Area:1,731 square miles (county)
Water Area:189 square miles (county)

Hamilton, WA Demographic Information *

Total population301
Male population146
Female population155
Median age (years)40.5
White Population272
Black Population0
Indian Population6
Asian Population0
Hawaiian Population0
Hispanic Population13
Median age (Male)43
Median age (Female)36.3
Total households116
Family households (families)80
Average household size2.59
Average family size2.99
Total housing units141
* Demographic data is based on 2010 Census.

Hamilton, WA Other Information

30 Cities within 30 miles of Hamilton, 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],