Gallia County
Also known as Gallia County, Ohio, Gallia County, OH
county in Ohio, United States
Key facts
- Country
- United States
- State
- Ohio
- Founded
- March 25, 1803
- Named after
- the Latin name for France
- Seat
- Gallipolis
- Largest village
- Gallipolis
- Total
- 471 sq mi (1,220 km )
- Land
- 467 sq mi (1,210 km )
- Water
- 4.7 sq mi (12 km ) 1.0%
- Estimate 2025
- 29,072
- Density
- 62/sq mi (24/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
~7 min read
Article
Gallia County (/ˈɡæliə/) is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 29,220. Its county seat and largest village is Gallipolis.
Named after the French people who originally settled there, its name “Gallia” is the Latin word for Gaul, the ancient region of Western Europe that included present day France. Gallia County is part of the Point Pleasant, WV-OH Micropolitan Statistical Area.