Total Population in Snohomish County, WA
ACS 2024 5-Year Estimates
844,430
Rank #73/3,222 · #3 in WA
98th
Snohomish 844,430
WA 7,816,116 -89.2%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Snohomish County's total population of 844,430 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Snohomish County for total population.
Nearby Rankings
Full ranking →| #70 | Montgomery County, PA | 867,573 |
| #71 | Essex County, NJ | 863,002 |
| #72 | Baltimore County, MD | 850,796 |
| #73 | Snohomish County, WA | 844,430 |
| #74 | Ventura County, CA | 837,469 |
| #75 | Hamilton County, OH | 830,774 |
| #76 | San Francisco County, CA | 830,235 |
About Total Population
Snohomish County, Washington has a total population of 844,430, ranking #73 of 3,222 counties nationwide — 99.7% below the national value of 330M. Within Washington, it ranks #3 of 39. This places it in the 98th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.