Washington County, Oklahoma
Washington County is a county in the U.S. state of Oklahoma. It is, in area, the third smallest county in Oklahoma. As of 2000, 48,996 people lived there. Its county seat is Bartlesville.
| Washington County, Oklahoma | |
| Map | |
 Location in the state of Oklahoma | |
 Oklahoma's location in the U.S. | |
| Statistics | |
| Founded | 1907 |
|---|---|
| Seat | Bartlesville |
| Largest City | Bartlesville |
| Area - Total - Land - Water |
424 sq mi (1,098 km²) 415 sq mi (1,075 km²) 8.8 sq mi (23 km²), 2.1% |
| PopulationEst. - (2013) - Density |
51,577 123/sq mi (47/km²) |
| Website: http://www.countycourthouse.org/ | |
| Named for: George Washington | |
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