Snohomish County is located on Puget Sound in Washington State. It is bordered on the west by Island County, the north by Skagit County, the east by Chelan County and the south by King County. As of the 2010 U.S. Census, Snohomish County had a total land area of 2,087.27 and a population of 713,335. Everett is the largest city with a population of 103,019. Also of interest:
- Intersecting watershed sub-basins(10): Lake Chelan, Sauk, Lower Skagit, Stillaguamish, Puget Sound, Wenatchee, Skykomish, Snoqualmie, Snohomish and Lake Washington.
- Major lakes: Lake Goodwin, Lake Stevens and Spada Lake.
- Major rivers: Sauk River, Skykomish River, Snohomish River, Pilchuck River, Stillaguamish River and Snoqualmie River.
- Glacier Peak (10,541 feet) is part of the Cascade Range and the highest point in Snohomish County. It is also one of five major composit volcanoes (sometimes called stratovolcanoes) located in Washington State.