Birch Bay, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Birch Bay, Washington is 11,103 as of the 2023 American Community Survey, making it the 116th-largest city in Washington. The median household income is $77,120, the median home value is $439,100, and the median age is 42.1.
11,103
Population
650
People / sq mi
$77,120
Median Income
$439,100
Median Home Value
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Birch Bay covers 17.1 sq mi of land at 650 people per square mile.
About Birch Bay, WA
Birch Bay stands apart on settlement density — it is among the most sparsely settled of US cities, at roughly 650 people per square mile. Birch Bay is a city in Washington with a population of 11,103.
Household earnings are middling, with a median of $77,120 — near the US median of $78,538. The poverty rate is 6.6%, below the national 12.4%. Median home value is $439,100, with typical rent around $1,201.
Degree attainment is mid-range for US cities: 30.9% of adults hold a four-year degree, below the national 35.0%. Around 9.5% of workers work from home, below the national 14.0%, and the average commute runs about 27 minutes each way.
Race & Ethnicity
| White | 80.3% |
| Black or African American | 1.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.8% |
| Two or More Races | 0.0% |
Economy & Income
$77,120
Median Household Income
$42,631
Per Capita Income
6.6%
Poverty Rate
2.5%
Unemployment Rate
Housing
$439,100
Median Home Value
$1,201
Median Rent
81.1%
Owner-Occupied
Education
93.4%
High School+
30.9%
Bachelor's+
Commute
0.3%
Drive Alone
80.7%
Public Transit
9.5%
Work From Home
26.6 min
Avg Commute
Community Profile
37.5%
Foreign Born
89.3%
Non-English at Home
10.5%
Veterans
16.3%
With Disability
94.8%
Health Insurance
95.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.2% |
| Manufacturing | 15.1% |
| Construction | 9.3% |
| Public Administration | 8.9% |
| Finance, Insurance & Real Estate | 8.7% |
| Arts, Entertainment & Food Services | 4.9% |
| Education, Health Care & Social Services | 4.8% |
| Information | 4.6% |
| Retail Trade | 3.0% |
| Agriculture & Mining | 2.2% |
| Transportation & Warehousing | 0.7% |
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Frequently Asked Questions
Birch Bay, Washington has a population of 11,103 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 116th-largest city in Washington.
The median household income in Birch Bay, Washington is $77,120, with 6.6% of residents living below the federal poverty level.
The median home value in Birch Bay, Washington is $439,100, with median monthly rent at $1,201 and a homeownership rate of 81.1%.
The median age in Birch Bay, Washington is 42.1 years. The population is 53.9% male and 46.1% female.
Birch Bay Cdp, WA Climate
Birch Bay Cdp, WA has an average annual temperature of 10°C (50°F) and receives about 1235 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
10°C
Avg Temp
1235
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 3° / 37° | 166 mm |
| February | 5° / 40° | 118 mm |
| March | 7° / 44° | 106 mm |
| April | 9° / 49° | 91 mm |
| May | 12° / 54° | 76 mm |
| June | 15° / 59° | 64 mm |
| July | 17° / 62° | 43 mm |
| August | 17° / 63° | 44 mm |
| September | 15° / 59° | 58 mm |
| October | 10° / 51° | 117 mm |
| November | 6° / 43° | 192 mm |
| December | 3° / 37° | 160 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Birch Bay Cdp, WA
The most comfortable months to visit Birch Bay Cdp, WA are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 23°C high). The coldest is January (near 0°C low). November is usually the wettest month.
Where to stay near Birch Bay
Visiting or relocating to Birch Bay, WA? Compare hotels and short-term rentals across the metro — live availability and prices.
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Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.