Highland County
Also known as Highland County, Ohio, Highland County, OH
county in Ohio, United States
Key facts
- Country
- United States
- State
- Ohio
- Founded
- May 1, 1805
- Named after
- hilly topography which divides the Little Miami and Scioto river watersheds
- Seat
- Hillsboro
- Largest city
- Hillsboro
- Total
- 558 sq mi (1,450 km )
- Land
- 553 sq mi (1,430 km )
- Water
- 4.7 sq mi (12 km ) 0.8%
- Estimate 2025
- 43,823
- Density
- 78.3/sq mi (30.2/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
~9 min read
Article
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.
Geography