Mercer County, Ohio
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Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. Its county seat is Celina. The county was created in 1820 and later organized in 1824. It is named
Mercer County Courthouse
Grand Lake St. Marys State Park
Graftonoceras fossil nautiloid, found near Coldwater, southern Mercer County.
Coldwater, Ohio
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Coldwater is a village in Mercer County, Ohio, United States. The population was 4,774 at the 2020 census.
Holy Trinity Catholic Church, which dominates the village's skyline
The northeastern section.
The southwestern section.
The southeastern section.