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Putnam County, Ohio

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Putnam County, Ohio Map

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An detailed map of Putnam County. Click on a nearby County to view more information about that County.

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Map of Townships in Putnam County, Ohio

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An interactive map of county subdivisions in Putnam County. In Ohio, that can include Townships and Villages. Find what township you are in now.

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Map of Counties in Ohio

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An interactive map of Counties in Ohio. Click on a County to view more information about that County.

About Putnam County, Ohio

Putnam County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 34,451. Its county seat is Ottawa. The county was created in 1820 and later organized in 1834. Its name is in honor of Israel Putnam, a colonial officer in the French and Indian War, who served as a general in the American Revolutionary War. The Blanchard River, which passes through the county, was a key transportation route for early European-American settlers.

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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.