Washington County
Washington County
155 N First Ave, Ste 300, MS 22
Hillsboro, OR 97124
(503) 846-8681
Population: 613,410 (2019)
Square Miles: 727
Form of Government: Statutory Home Rule – Board of County Commissioners
Year Established: 1843
Washington County
155 N First Ave, Ste 300, MS 22
Hillsboro, OR 97124
(503) 846-8681
Population: 613,410 (2019)
Square Miles: 727
Form of Government: Statutory Home Rule – Board of County Commissioners
Year Established: 1843