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Coordinates: 40.54°N 84.63°W. Grand Lake St. Marys State Park. Graftonoceras fossil nautiloid, found near Coldwater, southern Mercer County. Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. [1] . Its county seat is Celina. [2] . The county was created in 1820 and later organized in 1824. [3] .
Mercer County boasts a serene, countryside setting and the largest in-land lake in Ohio. We are located along the western board of Ohio centrally located between the metropolitan cities of Columbus, Toledo, Cincinnati, and Indianapolis. Established in 1820, our region’s roots are rich in agriculture.
Mercer County boasts a serene, countryside setting and the largest in-land lake in Ohio. We are located along the western board of Ohio centrally located between the metropolitan cities of Columbus, Toledo, Cincinnati, and Indianapolis.
Map of Mercer County - Mercer County is a county located in the U.S. state of Ohio. Mercer County Map showing cities, highways, important places and water bodies. Get Where is Mercer County located in the map, major cities in Mercer county, population, areas, and places of interest.
Mercer County boasts a serene, countryside setting and the largest in-land lake in Ohio. We are located along the western board of Ohio centrally located between the metropolitan cities of Columbus, Toledo, Cincinnati, and Indianapolis.
Search within Mercer County. Enter the name and choose a location from the list. Find cities, towns, villages, airports, hotels and other locations in Mercer County. Search results will show graphic and detailed maps matching the search criteria.
Mercer County, Ohio has 462.4 square miles of land area and is the 36th largest county in Ohio by total area. Mercer County, Ohio is bordered by Shelby County, Ohio , Van Wert County, Ohio , Auglaize County, Ohio , Darke County, Ohio , Jay County, Indiana , and Adams County, Indiana .
