Geographic reference
Union County, Ohio
Union County is a county or county-equivalent in Ohio.
Reference details
- State
- Ohio (OH)
- Census GEOID
- 39159
- Land area
- 1,118.132 km²
- Water area
- 13.415 km²
- Representative point
- 40.295901, -83.367042
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.