Washington County, Oklahoma, USA
County or equivalent
Location overview
Washington County lies in northeastern Oklahoma along the Kansas border, with Bartlesville as its county seat. The Caney River and its tributaries drain the county, and Copan Lake occupies part of its northern landscape. Its communities include Dewey, Copan, Ochelata, Ramona and Vera. Created at statehood in 1907 from part of the Cherokee Nation, the county was named for President George Washington.