Geographic reference
Mercer County, Ohio
Mercer County is a county or county-equivalent in Ohio.
Reference details
- State
- Ohio (OH)
- Census GEOID
- 39107
- Land area
- 1,197.732 km²
- Water area
- 28.432 km²
- Representative point
- 40.535331, -84.632056
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.