Snohomish County's estimated 2026 population is 880,242 with a growth rate of 1.1% in the past year according to the most recent United States census data. Snohomish County is the 3rd largest county in Washington. The 2010 population was 715,522 and has seen a growth of 23.02% since that time.
Data after 2023 is projected based on recent change
Overall: 38.6 years
Female: 39.1 years
Male: 38 years
There are 657,574 adults, (124,763 of whom are seniors) in Snohomish County.
Female: 418,646 (49.6%)
Male: 425,784 (50.4%)
The racial composition of Snohomish County includes 64.18% White, 13.61% Asian, 5.2% other race, 3.69% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 541,948 | 64.18% |
| Asian | 114,960 | 13.61% |
| Two or more races | 98,994 | 11.72% |
| Other race | 43,909 | 5.2% |
| Black or African American | 31,141 | 3.69% |
| Native American | 8,838 | 1.05% |
| Native Hawaiian or Pacific Islander | 4,640 | 0.55% |
Snohomish County's average per capita income is $68,158. Household income levels show a median of $111,246. The poverty rate stands at 8.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $150,930 | $183,003 |
| Families | $133,127 | $164,989 |
| Households | $111,246 | $142,821 |
| Non Families | $66,273 | $86,633 |
Average Income
Median Household Income
Poverty Rate