Free Mercer County, Ohio Topo Maps & Elevations

Free printable Mercer County, OH topographic maps, GPS coordinates, photos, & more for popular landmarks in Mercer County including Celina, Coldwater, and Saint Henry.

County Borders


Mercer County, Ohio covers an area of approximately 474 square miles with a geographic center of 40.51166630°(N), -84.63332987°(W).

These are the far north, south, east, and west coordinates of Mercer County, Ohio, comprising a rectangle that encapsulates it. Please note that not all coordinates inside this rectangle will fall inside of Mercer County, Ohio, as it (most likely) doesn't fill up the entire rectangle.

North: 40.72813797°(N)
South: 40.35194397°(N)
East: -84.43419647°(W)
West: -84.80589294°(W)


According to data gathered by the Shuttle Radar Topography Mission. The lowest elevation in Mercer County is 273 meters (896 feet). This ranks Mercer County 85th in terms of lowest elevations when compared to a total of 88 counties in Ohio.

Mercer County's highest elevation is 473 meters (1,552 feet) which ranks it 9th in terms of highest elevations when compared to a total of 88 counties in Ohio.

US Topo Maps covering Mercer County, OH

The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Mercer County is covered by the following US Topo Map quadrants.

Celina PDF Order Print
Coldwater PDF Order Print
Cosmos PDF Order Print
Elgin PDF Order Print
Erastus PDF Order Print
Fort Recovery PDF Order Print
Mendon PDF Order Print
Montezuma PDF Order Print
New Bremen PDF Order Print
New Corydon PDF Order Print
North Star PDF Order Print
Osgood PDF Order Print
Rockford PDF Order Print
Rossburg PDF Order Print
Saint Marys PDF Order Print
Willshire PDF Order Print

Places to Visit In Mercer County, Ohio