Whatcom County Flag

Whatcom County

State:
Washington
County Seat:
Bellingham

Whatcom County's estimated 2025 population is 234,561 with a growth rate of 0.57% in the past year according to the most recent United States census data. Whatcom County is the 9th largest county in Washington. The 2010 population was 201,549 and has seen a growth of 16.38% since that time.

234,561
Total Population
111
Population Density (mi²)
9
Population Rank (State)
1.3K 0.57%
Annual Population Growth

Whatcom County Population

Whatcom County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Whatcom County includes 78.73% White, 4.51% other race, 4.28% Asian, and smaller percentages for Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White179,84278.73%
Two or more races21,5139.42%
Other race10,2934.51%
Asian9,7704.28%
Native American4,2921.88%
Black or African American2,0110.88%
Native Hawaiian or Pacific Islander7110.31%

Whatcom County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Whatcom County's average per capita income is $53,231. Household income levels show a median of $80,989. The poverty rate stands at 12.7%.

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$117,011$142,511
Families$102,596$128,297
Households$80,989$105,948
Non Families$50,035$68,337

$53,231

Average Income

$80,989

Median Household Income

12.7%

Poverty Rate