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 2025 population of 11,824. Birch Bay is currently growing at a rate of 1.96% annually and its population has increased by 19.23% since the most recent census, which recorded a population of 9,917 in 2020.

The average household income in Birch Bay is $97,099 with a poverty rate of 8.61%.The median age in Birch Bay is 42.1 years: 40.8 years for males, and 44.8 years for females.

Demographics

The racial composition of Birch Bay includes 80.29% White, 3.58% other race, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	8,915	80.29%
Two or more races	1,311	11.81%
Other race	398	3.58%
Asian	177	1.59%
Black or African American	107	0.96%
Native Hawaiian or Pacific Islander	101	0.91%
Native American	94	0.85%

Birch Bay Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Birch Bay's average per capita income is $52,955. Household income levels show a median of $77,120. The poverty rate stands at 8.61%.

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	$98,726	-
Families	$88,519	$107,660
Households	$77,120	$97,099
Non Families	$43,834	$68,050

$52,955

Average Income

$77,120

Median Household Income

8.61%

Poverty Rate