Washington County
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Washington County, Oklahoma
Washington County was named for President George Washington. It is the smallest county in Oklahoma in total area.
- Established: 1907 [1]
- County Seat: Bartlesville, Oklahoma 74006
- Area: 417 mi2 (1,080 km2)
- Population: 52,455 [2]
- Region:
Green Country
- Weather: NWS Tulsa
- Info: Wikipedia
- History: Oklahoma Historical Society
- County information from Wikipedia.
- Population from U.S. Census Bureau, 2020.