Clarktown, Ohio

Clarktown is an unincorporated community and census-designated place in southeastern Jefferson Township, Scioto County, Ohio, United States. As of the 2020 census it had a population of 911.

Geography
Located at the intersection of State Route 139 with Burns Hollow and Blue Run roads, it lies 5 mi southeast of Lucasville and 10 mi northeast of the city of Portsmouth, the county seat of Scioto County. Long Run, a tributary of the Rocky Fork of the Little Scioto River, flows past the community.