Gaston is a city in Washington County, Oregon, United States. Located surrounded by Forest Grove to the north and Yamhill to the south, the city straddles Oregon Route 47 and borders the Tualatin River. Named after railroad meting out Joseph Gaston, its population was 637 as of the 2010 census.

The first known inhabitants of the Tualatin Valley were the Atfalati tribe, a subset of the Kalapuya ethnic group. Contact similar to Europeans in the late 1700s led to the take forward of smallpox and further diseases, which devastated the Atfalati population. In 1851, due to population pressures from white settlers, surviving members of the tribe negotiated a concurrence with the Oregon Territory ceding their ancestral lands throughout the Tualatin Valley to guarantee a small reservation on the banks of open Wapato Lake. This deal was never ratified, and in the late 1850s, the U.S. government relocated the tribe to the Grand Ronde Reservation.

Large-scale American deal of the region began in the 1850s, due to the Donation Land Claim Act, which granted home to white settlers who moved to the Oregon Territory before 1855. In the 1870s, the West Side Railroad was built from Hillsboro to Corvallis, cutting through this region. The community of Gaston developed from a railroad End in 1872 to a announcement center, hosting a school, post office, hotel, and blacksmith shop. Due to valid disputes, Joseph Gaston left his tilt at the railroad and moved to the region in 1880. He spent the next sixteen years attempting to drain Wapato Lake for farmland.

The handy community of Cherry Grove was founded in 1911 as a logging hub and briefly eclipsed Gaston. Gaston was formally incorporated in 1914. By 1916, the town possessed a general store, bank, and other enterprises. In in advance May 1935 workers at the Stimson Mill went upon strike. On May 22, activists left the Labor Temple in Portland to retain the strikers. The next-door morning Oregon commissioner Charles Martin ordered the come clean police and National Guard to protect the strikebreakers. Armed later than gas bombs and machine guns, the military and police forces demanded the strikers depart or be shot. The strikers chose to disperse, averting a potential bloodbath.