Vinton County, Ohio

Vinton County
Vinton County Courthouse in McArthur
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 39°15′N 82°29′W / 39.25°N 82.49°W / 39.25; -82.49
Country United States
State Ohio
FoundedMarch 23, 1850
Named afterSamuel Finley Vinton
SeatMcArthur
Largest villageMcArthur
Area
  Total
415 sq mi (1,070 km2)
  Land412 sq mi (1,070 km2)
  Water2.6 sq mi (7 km2)  0.6%
Population
 (2020)
  Total
12,800
  Estimate 
(2023)
12,474
  Density31/sq mi (12/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitehttp://www.vintoncounty.com/

Vinton County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 12,800, making it the least populous county of Ohio. Its county seat is McArthur. The county is named for Samuel Finley Vinton, US Representative from Ohio (1823–37, 1843–51).