Washington County

Washington County
155 N First Ave, Ste 300, MS 22
Hillsboro, OR 97124
(503) 846-8681
www.co.washington.or.us

Population: 560,465 (2014)

Square Miles: 727

Form of Government: Home Rule County

Year Established: 1843

Board of Commissioners

Andy Duyck, Chair

Greg P. Malinowski

Roy Rogers

Dick Schouten

Bob Terry