McDermott is a census-designated place in western Rush Township, Scioto County, Ohio, United States. As of the 2010 census it had a population of 434. Although it is unincorporated, it has a post office, with the ZIP code of 45652.
Platted on July 28, 1898, the community of McDermott is named after one of the area's earliest commercial ventures, McDermott Stone Company. A post office called McDermott has been in operation since 1898.
Coordinates: 38°50′05″N 83°03′54″W / 38.83472°N 83.06500°W