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Washington County, Ohio
County in Ohio, United States / From Wikipedia, the free encyclopedia
Washington County is a county located in the southeastern part of the U.S. state of Ohio. As of the 2020 census, the population was 59,711.[2] Its county seat is Marietta.[3] The county, the oldest in the state, is named for George Washington.[4] Washington County comprises the Marietta, OH Micropolitan Statistical Area, which is also included in the Parkersburg-Marietta-Vienna, WV-OH Combined Statistical Area.
Quick Facts Country, State ...
Washington County | |
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![]() Location within the U.S. state of Ohio | |
![]() Ohio's location within the U.S. | |
Coordinates: 39°28′N 81°29′W | |
Country | ![]() |
State | ![]() |
Founded | July 27, 1788[1] |
Named for | George Washington |
Seat | Marietta |
Largest city | Marietta |
Area | |
• Total | 640 sq mi (1,700 km2) |
• Land | 632 sq mi (1,640 km2) |
• Water | 8.0 sq mi (21 km2) 1.3% |
Population (2020) | |
• Total | 59,711 ![]() |
• Density | 93/sq mi (36/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 6th |
Website | www |
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