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is a city in Washington County, Oregon, United States, seven miles (11 km) west of Portland in the Tualatin River Valley.
, its population is estimated to be 86,205, almost 14% more than the 2000 census figure of 76,129. This makes it the second-largest city in the county and Oregon's sixth-largest city.
, Beaverton got its name because of the settlement's proximity to a large body of water resulting from beaver dams.
The area of Tualatin Valley which became Beaverton was originally the home of a Native American tribe known as the
. The Atfalati population dwindled in the latter part of the 18th century, and the prosperous tribe was no longer dominant in the area by the 19th century when settlers arrived.