City profile
Birch Bay, WA
San Juan County · Population 10,837
Birch Bay is a town in San Juan County, WA with about 10,837 residents and a typical home value near $477,000. It is 93 miles from Seattle, WA, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Mild & temperate
Winter avg
40°F
Summer avg
65°F
Sunny days / yr
152
Home prices & cost of living
Median home price
$477,200
Typical monthly housing
$2,926
Cost of living (100 = U.S.)
124
Taxes
- Property tax
- 0.84%
- State income tax (top)
- None
- Social Security
- Not taxed
- Pensions
- Not taxed
- Sales tax (state + avg. local)
- 9.43%
FEMA natural hazard risk
Relatively Moderate · county score 91/100
Top hazards: Avalanche, Earthquake, Landslide
Nearest major airport
104 mi to Seattle–Tacoma International Airport (SEA)
Political lean (2024 county vote)
Leans Democratic · 74% Democratic / 22% Republican
Community
Population
10,837
Black population
2.2%
County
San Juan County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Climate/cost risks to check: wildfire smoke, earthquakes
Highlights
- About 10,837 residents
- Typical home value about $477,000
- 93 miles from Seattle, WA
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.