Lake Stevens is a city in Snohomish County, Washington, United States, that is named for the lake it surrounds. It is located 6 miles east of Everett and borders the cities of Marysville to the northwest and Snohomish to the south. The city's population was 35,630 at the 2020 census. The lake was named in 1859 for territorial governor Isaac Stevens and was originally home to the Skykomish in the Pilchuck River basin.