Bothell is a city in King and Snohomish counties in the U.S. state of Washington. It is part of the Seattle metropolitan area, situated near the northeast end of Lake Washington. As of the 2020 census, it had a population of 48,161 residents. Bothell is one of six cities in Washington that are in multiple counties.[22] The city is bordered to the west by Kenmore, to the north by unincorporated North Creek, to the east by Woodinville, and to the south by Kirkland