Whatcom County's estimated 2026 population is 238,183 with a growth rate of 0.76% 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 18.18% since that time.
Data after 2023 is projected based on recent change
Overall: 38.4 years
Female: 39 years
Male: 37.8 years
There are 187,760 adults, (43,568 of whom are seniors) in Whatcom County.
Female: 116,264 (50.4%)
Male: 114,239 (49.6%)
The racial composition of Whatcom County includes 78.03% White, 4.52% other race, 4.37% Asian, and smaller percentages for Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 179,852 | 78.03% |
| Two or more races | 23,243 | 10.08% |
| Other race | 10,418 | 4.52% |
| Asian | 10,078 | 4.37% |
| Native American | 4,102 | 1.78% |
| Black or African American | 2,213 | 0.96% |
| Native Hawaiian or Pacific Islander | 597 | 0.26% |
Whatcom County's average per capita income is $54,738. Household income levels show a median of $81,784. The poverty rate stands at 12.88%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,900 | $149,518 |
| Families | $106,922 | $133,698 |
| Households | $81,784 | $109,592 |
| Non Families | $49,821 | $70,035 |
Average Income
Median Household Income
Poverty Rate