Belfair, WA 98528 ZIP Code Profile

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Belfair, WA

ZIP Code 98528: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Belfair, WA 98528

  • ZIP Code Type: STANDARD
  • County: Mason County
  • Centroid: Latitude 47.444, Longitude -122.867
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

ZIP Code 98528 has segments in 2 Counties (Mason, Pierce).

  • Businesses Addresses: 455
  • PO Box Addresses: 1,750
  • Residential Addresses: 3,744
    • Multi-Family Addresses: 0
    • Single Family Addresses: 3,744

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


98528 ZIP Code Map

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Belfair, WA 98528 Data & Demographics (As of July 1, 2018)


Total Population 10,487
Population in Households 10,154
Population in Familes 8,159
Population in Group Qrtrs 333
Population Density2 159
Diversity Index3 37


Median Household Income $57,829
Average Household Income $70,931
Per Capita Income $27,441


Total Housing Units 5,083 (100%)
Owner Occupied HU 3,000 (59.0%)
Renter Occupied HU 973 (19.1%)
Vacant Housing Units 1,110 (21.8%)
Median Home Value $257,364
Average Home Value $288,317


Total Households 3,973
Average Household Size 2.56
Family Households 2,722
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.02% 1.09%
Households 0.91% 1.14%
Families 0.85% 1.09%
Median Household Income   1.81%
Per Capita Income   2.53%

Belfair, WA 98528 - Peer Comparisons by Rank and Percentile

The table below compares 98528 to the other 581 ZIP Codes in Washington by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 228 61st
Population Density # 271 54th
Diversity Index # 295 49th
Median Household Income # 277 52nd
Per Capita Income # 374 36th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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