Highland County, Ohio

Highland County
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 39°11′N 83°36′W / 39.18°N 83.6°W / 39.18; -83.6
Country United States
State Ohio
FoundedMay 1, 1805
Named afterhilly topography which divides the Little Miami and Scioto river watersheds
SeatHillsboro
Largest cityHillsboro
Area
  Total
558 sq mi (1,450 km2)
  Land553 sq mi (1,430 km2)
  Water4.7 sq mi (12 km2)  0.8%
Population
 (2020)
  Total
43,317
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websiteco.highland.oh.us

Highland County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 43,317. Its county seat is Hillsboro. The county is named for the topography which is hilly and divides the watersheds of the Little Miami and Scioto Rivers. Highland County was created on May 1, 1805, from land taken from Ross, Adams, and Clermont counties.