Snohomish County, Washington
Snohomish County: county in the state of Washington, United States
About
Snohomish County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 713,335 and a population density of 125 people per km². After 10 years in 2020 county had an estimated population of 830,393 inhabitants. Its county seat is Snohomish, Everett. The county was created 165 years ago in 1861.
County Snapshot
Snohomish County at a glance
Snohomish County currently has 33 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
33
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Washington counties
39
Open related pagesLargest city
EverettPopulation 112,482
Top linked places
Quick Facts about Snohomish County
| Population | 830,393 (2020) |
| Country | United States of America |
| State | Washington (United States) |
| Twitter username | snocounty |
| Area | 5689 km2 |
| Water as percent of area | 5% |
| Land as percent of area | 95% |
| Latitude & Longitude | 48.0460,-121.7222 |
| Named for | Snohomish tribe |
| Altitude | 2,444 feet / 745 meters |
| Capital | Snohomish, Everett |
| Establishment | January 14, 1861 |
| Time Zone | America/Los_Angeles |
| Local time | 17:49:18 (18th April 2026) |
| Density | 146 Pop. per km² as of 2020 |
| Population growth | 14.1% (2010-2020) |
| Weather | 38℉ Mostly Cloudy 7-days weather |
Geography
Snohomish County is located at 48°2'46"N 121°43'20"W (48.0460200, -121.7221800). It has 4 neighbors: Chelan County, Island County, King County and Skagit County.
Snohomish County map
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The largest city of Snohomish County is Everett with a population of 112,482. Other cities include, Marysville population 71,392, Edmonds population 42,515, Lynnwood population 39,042 and Lake Stevens population 34,794. See all Snohomish County cities & populated places.
Snohomish County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Snohomish County.
| City Name | Population | Title |
|---|---|---|
| Everett | 112,482 | The most populous city in Snohomish County, Washington. |
| Marysville | 71,392 | The most populous city in Snohomish County, Washington. |
| Edmonds | 42,515 | A city in Snohomish County, Washington. |
| Lynnwood | 39,042 | City in Snohomish County, Washington, United States |
| Lake Stevens | 34,794 | City in Snohomish County, Washington, United States |
| North Creek | 26,410 | Census-designated place in Warren County, New York |
| Mukilteo | 21,351 | Waterfront city in Snohomish County, Washington, United States |
| Mountlake Terrace | 21,315 | City in Snohomish County, Washington, United States |
| Arlington | 21,068 | City in northern Snohomish County, Washington, United States |
| West Lake Stevens | 21,047 | City in Snohomish County, Washington, United States of America |
| Mill Creek | 20,802 | City in Snohomish County, Washington, USA |
| Monroe | 20,681 | City in Snohomish County, Washington, United States |
| Martha Lake | 15,473 | Census designated place |
| Maltby | 10,830 | Census designated place |
| Snohomish | 10,362 | City in Snohomish County, Washington, United States |
| Alderwood Manor | 8,442 | Census designated place |
Weather
Mostly cloudy, with a low around 38. North northeast wind 2 to 7 mph.
7-Day Forecast- Everett
Demographics
The population of Snohomish County increased by 14.1% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 713,335 | - | census |
| 2011 | 722,068 | 1.21% | estimation process |
| 2012 | 732,097 | 1.37% | estimation process |
| 2013 | 744,112 | 1.61% | estimation process |
| 2014 | 757,239 | 1.73% | estimation process |
| 2015 | 769,698 | 1.62% | estimation process |
| 2016 | 787,110 | 2.21% | estimation process |
| 2017 | 802,089 | 1.87% | estimation process |
| 2018 | 813,059 | 1.35% | estimation process |
| 2019 | 822,083 | 1.1% | estimation process |
| 2020 | 830,393 | 1% | estimation process |
People born in Snohomish County (3)
People born in Snohomish County, including baseball player Earl Averill, politician Dan Kristiansen, Director of the New Mexico Bureau of Mines, Socorro, New Mexico Eugene Callaghan, .
More notable people
Washington Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| King County | 2,274,315 | County in the state of Washington, United States |
| Pierce County | 913,890 | County in the state of Washington, United States |
| Seattle | 769,714 | The eighteenth most populous city in the United States and the center of the Seattle metropolitan area. |
| Spokane County | 528,225 | County in the state of Washington, United States |
| Clark County | 496,865 | County in Washington, United States |
| Thurston County | 294,074 | County in the state of Washington, United States |
| Kitsap County | 272,787 | County in the state of Washington, United States |
| Yakima County | 251,879 | County in the state of Washington, United States |
| Whatcom County | 231,016 | County in the state of Washington, United States |
| Spokane | 222,050 | The second most populous city in Washington. |
| Tacoma | 219,945 | The third most populous city in Washington. |
| Benton County | 206,426 | County in Arkansas, United States |
| Vancouver | 186,192 | The third most populous city in Washington. |
| Bellevue | 148,073 | The most populous city in Washington. |
| Skagit County | 130,789 | County in the state of Washington, United States |
| Kent | 130,676 | The fourth most populous city in King County, Washington. |