Washington County
County in Oregon
Washington County is one of 36 counties in the U.S. state of Oregon and part of the Portland metropolitan area. The 2020 census recorded the population as 600,372, making it the second most populous county in the state and most populous... Wikipedia
Congressional districts: 1st, 6th
Founded: July 5, 1843 (as Twality District)
Named for: George Washington
Seat: Hillsboro