Snohomish County's estimated 2025 population is 853,379 with a growth rate of 0.51% 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 19.27% since that time.
Data after 2023 is projected based on recent change
The racial composition of Snohomish County includes 66.44% White, 12.82% Asian, 4.85% other race, 3.63% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 554,564 | 66.44% |
| Asian | 106,995 | 12.82% |
| Two or more races | 89,338 | 10.7% |
| Other race | 40,496 | 4.85% |
| Black or African American | 30,319 | 3.63% |
| Native American | 8,547 | 1.02% |
| Native Hawaiian or Pacific Islander | 4,389 | 0.53% |
Married
Widowed
Divorced
Separated
Never Married
Snohomish County's average per capita income is $65,269. Household income levels show a median of $107,982. The poverty rate stands at 7.88%.
Name | Median | Mean |
|---|---|---|
| Married Families | $144,294 | $173,345 |
| Families | $127,475 | $156,337 |
| Households | $107,982 | $136,089 |
| Non Families | $63,155 | $82,479 |
Average Income
Median Household Income
Poverty Rate