Banks is a city in Washington County, Oregon, United States. The population was 1,777 at the 2010 census. The community was named for settler Robert Banks and his father, John Banks.
According to the United States Census Bureau, the city has a total area of 0.3 square miles (0.9 km²), all of it land.
As of the census of 2000, there were 1,286 people, 440 households, and 337 families residing in the city. The population density was 3,885.7 people per square mile (1,504.6/km²). There were 492 housing units at an average density of 1,486.6 per square mile (575.6/km²). The racial makeup of the city was 91.14% White, 0.39% African American, 0.31% Native American, 1.79% Asian, 0.47% Pacific Islander, 2.80% from other races, and 3.11% from two or more races. Hispanic or Latino of any race were 3.81% of the population.