what county is bartlesville, ok
Bartlesville is a city mostly in Washington County in the U.S. state of Oklahoma. The population was 35,750 at the 2010 census, with a 2015 estimate of 36,595 according to the US Census Bureau. Bartlesville is 47 miles (76 km) north of Tulsa and 18 miles (29 km) from Oklahoma's northern border with Kansas. It is the county seat of Washington County. The Caney River runs through Bartlesville.