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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Belfair, WA

Belfair, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 98528StandardMason9,983

Timezone(s):Pacific (GMT -08:00)
Counties:MASON, WA
Population:3,931 (More Details)
Male Population:1,987
Female Population:1,944
Median Age:36
ZIP Codes:1
Area Codes:2
Total Area:1,051 square miles (county)
Land Area:959 square miles (county)
Water Area:92 square miles (county)

Belfair, WA Demographic Information *

Total population3,931
Male population1,987
Female population1,944
Median age (years)35.9
White Population3,350
Black Population34
Indian Population153
Asian Population61
Hawaiian Population15
Hispanic Population402
Median age (Male)35.2
Median age (Female)36.8
Total households1,473
Family households (families)971
Average household size2.66
Average family size3.16
Total housing units1,634
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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],