Birch Bay Flag

Birch Bay

County:
Whatcom County
County Seat:
No
Area (mi²):
17.081
State:
Washington

Birch Bay is a CDP located in Whatcom County, Washington. Birch Bay has a 2026 population of 11,724. Birch Bay is currently growing at a rate of 1.8% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Birch Bay is $86,854 with a poverty rate of 9.41%. The median age in Birch Bay is 44.6 years: 44.1 years for males, and 44.8 years for females. For every 100 females there are 111.2 males.

11.7K
Total Population
686
Density (mi²)
207 1.8%
Growth

Birch Bay Population

Birch Bay Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,7242071.8%
202511,5172071.83%

Median Age

Overall: 44.6 years
Female: 44.8 years
Male: 44.1 years

Birch Bay Adults

There are 8,662 adults, (2,626 of whom are seniors) in Birch Bay.

Sex Ratio

Female: 5,130 (47.3%)
Male: 5,707 (52.7%)

Demographics

The racial composition of Birch Bay includes 78.24% White, 4.31% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8,47978.24%
Two or more races1,30312.02%
Other race4674.31%
Black or African American2402.21%
Asian2282.1%
Native American1201.11%
Race
Population ↓
Percentage (of total)
Other race4484.13%
Two or more races3293.04%
White910.84%
Native American90.08%
Race
Population ↓
Percentage (of total)
White8,38877.4%
Two or more races9748.99%
Black or African American2402.21%
Asian2282.1%
Native American1111.02%
Other race190.18%

Birch Bay Marital Status

Economics and Income Statistics

Birch Bay 's average per capita income is $55,827. Household income levels show a median of $86,854. The poverty rate stands at 9.41%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$104,409-
Families$97,651$113,545
Households$86,854$103,325
Non Families$44,615$71,502

$55,827

Average Income

$86,854

Median Household Income

9.41%

Poverty Rate

Nearby Cities

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)