Belfair, Washington
Belfair | |
|---|---|
Census-designated place (CDP) | |
State Route 3 through Belfair | |
| Coordinates: 47°26′42″N 122°51′53″W / 47.44500°N 122.86472°W | |
| Country | United States |
| State | Washington |
| County | Mason |
| Area | |
• Total | 44.9 sq mi (116 km2) |
| Elevation | 36 ft (11 m) |
| Population (2020) | |
• Total | 4,670 |
| • Density | 100/sq mi (40/km2) |
| Time zone | Pacific (PST) (UTC-8) |
| ZIP code | 98528 |
| Area code | 360 |
| GNIS feature ID | 2586728 |
Belfair is a census-designated place in Mason County, Washington, United States. Located at the mouth of the Union River at Hood Canal, it serves as the commercial center of northern Mason County. The population of the surrounding area grows in the summertime, as the Canal and the Olympic Peninsula are popular with tourists. The population is currently estimated at 5,711 as of 2025.