Bothell
- County:
- King County
- County Seat:
- No
- Area (mi²):
- 13.635
- State:
- Washington
Bothell is a city located in King County, Washington. Bothell has a 2026 population of 51,770. Bothell is currently growing at a rate of 1.95% annually and its population has increased by 7.46% since the most recent census, which recorded a population of 48,174 in 2020.