Washington County, Ohio

Washington County is a county located in the state of Ohio. As of 2000, the population is 63,251. Its county seat is Marietta6. The county, the oldest in the state, is named for George Washington.

Geography

According to the U.S. Census Bureau, the county has a total area of 1,658 km² (640 mi²). 1,645 km² (635 mi²) of it is land and 13 km² (5 mi²) of it is water. The total area is 0.78% water.

Related Topics:
U.S. Census Bureau - Km² - Mi²

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Adjacent counties

• Noble County (north)
• Monroe County (northeast)
• Tyler County, West Virginia (east)
• Pleasants County, West Virginia (southeast)
• Wood County, West Virginia (south)
• Athens County (southwest)
• Morgan County (northwest)