Bunk Foss is a census-designated place (CDP) in Snohomish County, Washington, United States. As of the 2020 census, Bunk Foss had a population of 3,680. Bunk Foss was created out of the former West Lake Stevens CDP in 2010.
Bunk Foss is located at (47.961686, -122.094387).
According to the United States Census Bureau, the CDP has a total area of 3.874 square miles (10.03 km), all of it land.