Belfair is a community in Mason County, Washington, home to about 4,557 people across 7.4 square miles. Its ZIP code is 98528.
Homes sold for a median of $303 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Belfair. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Belfair’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Seattle–Tacoma International Airport (SEA)29 miles away |
|---|---|
| Closer regional airport | Tacoma Narrows Airport (TIW)20 miles away |
| Nearest city of 250,000+ | Seattle, WA30 miles away |
Straight-line distances from the center of Belfair; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Belfair had 4,279 residents in the 2020 census, up 9% since 2010.
It’s the 208th largest of 628 towns in Washington by population.
Mason County grew from 3,810 residents in 1900 to 65,726 in 2020.
Mason County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 76°F in summer, and winter lows average 35°F. About 91.9 inches of rain and melted snow fall in a typical year, with about 4 inches of snow.
Source: NOAA 1991–2020 climate normals, Cushman Powerhouse #2, WA weather station (12 miles away).
10,138 jobs at 1,072 businesses in Mason County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
42 doctors and other health care providers list an office in Belfair.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 11 |
| Physical and occupational therapists | 6 |
| Chiropractors | 3 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by North Mason School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Belfair ElementaryBelfair | Pre-K–5 | 392 | Public | 4.4 mi |
| Mary E. Theler Early Learning CenterBelfair | Pre-K–K | 54 | Public | 4.4 mi |
| North Mason Homelink ProgramBelfair | K–12 | 73 | Alternative Education | 4.2 mi |
| Sand Hill ElementaryBelfair | K–5 | 537 | Public | 4.3 mi |
| Hawkins Middle SchoolBelfair | 6–8 | 485 | Public | 4.3 mi |
| James A. Taylor High SchoolBelfair | 9–12 | 61 | Alternative Education | 4.2 mi |
| North Mason Senior High SchoolBelfair | 9–12 | 735 | Public | 4.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.