Whatcom County's estimated 2026 population is 239,490 with a growth rate of 0.96% 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 18.82% since that time.
Data after 2023 is projected based on recent change
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.
White (78.73%)
Two or more races (9.42%)
Other race (4.51%)
Asian (4.28%)
Native American (1.88%)
Black or African American (0.88%)
Native Hawaiian or Pacific Islander (0.31%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 179,842 | 78.73% |
| Two or more races | 21,513 | 9.42% |
| Other race | 10,293 | 4.51% |
| Asian | 9,770 | 4.28% |
| Native American | 4,292 | 1.88% |
| Black or African American | 2,011 | 0.88% |
| Native Hawaiian or Pacific Islander | 711 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
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%.
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 |
Average Income
Median Household Income
Poverty Rate