Banks is a city in Washington County, Oregon, United States, which is located in the Tualatin Valley. It is the southern anchor to the Banks–Vernonia State Trail, which is a 21-mile-long linear trail popular with bicyclists, hikers, and equestrians. The population was 1,777 at the 2010 census. The community was named for John and Nancy Banks, who owned a nearby dairy farm. Incorporated in 1921, it is located in the western part of the county where Oregon Route 6 intersects Oregon Route 47.