Scioto County, Ohio

Scioto County
Scioto County Courthouse
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 38°49′N 82°59′W / 38.81°N 82.99°W / 38.81; -82.99
Country United States
State Ohio
FoundedMarch 24, 1803
Named afterScioto River
SeatPortsmouth
Largest cityPortsmouth
Area
  Total
616 sq mi (1,600 km2)
  Land610 sq mi (1,600 km2)
  Water5.9 sq mi (15 km2)  1.0%
Population
 (2020)
  Total
74,008
  Density120/sq mi (50/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitewww.sciotocountyohio.com

Scioto County is a county along the Ohio River in the south-central part of the U.S. state of Ohio. At the 2020 census, the population was 74,008. Its county seat is Portsmouth. The county was founded on March 24, 1804, from Adams County and is named for a Native American word referring to deer or deer-hunting. Scioto County comprises the Portsmouth, OH Micropolitan Statistical Area. It is at the confluence of the Scioto and Ohio rivers.