Geo quick facts: Washington County is a county located in the northeastern part of the U.S. state of Oklahoma. As of the 2010 census, the population was 50,976. Its county seat is Bartlesville – Wikipedia.
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Geo quick facts: Washington County is a county located in the northeastern part of the U.S. state of Oklahoma. As of the 2010 census, the population was 50,976. Its county seat is Bartlesville – Wikipedia.
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