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Washington County, Ohio
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Washington County, Ohio Map
An detailed map of Washington County. Click on a nearby County to view more information about that County.
Map of Townships in Washington County, Ohio
An interactive map of county subdivisions in Washington County. In Ohio, that can include Townships and Villages. Find what township you are in now.
Map of Counties in Ohio
An interactive map of Counties in Ohio. Click on a County to view more information about that County.
About Washington County, Ohio
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. Its county seat is Marietta. The county, the oldest in the state, is named for George Washington. Washington County comprises the Marietta, OH Micropolitan Statistical Area, which is also included in the Parkersburg-Marietta-Vienna, WV-OH Combined Statistical Area.
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This site has an interactive map of Ohio Counties. Click on the map to find your Ohio county, and view more details. You can also search for your address and use your GPS to find your Ohio County.
Find what County you are in, and see official Ohio County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.