Belfair Flag

Belfair

County:
Mason County
County Seat:
No
Area (mi²):
7.369
State:
Washington

Belfair is a CDP located in Mason County, Washington. Belfair has a 2025 population of 4,236. Belfair is currently growing at a rate of 0.47% annually but its population has decreased by -7.04% since the most recent census, which recorded a population of 4,557 in 2020.

The average household income in Belfair is $95,990 with a poverty rate of 4.72%.The median age in Belfair is 31.5 years: 33.1 years for males, and 31.4 years for females.

4.2K
Total Population
575
Density (mi²)
20 0.47%
Growth

Belfair Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)