About This Place
Thornville is a village in Perry County, Ohio, United States. The population was 731 at the 2000 census.
Thornville is located at 39°53′47″N 82°25′10″W / 39.89639°N 82.41944°W / 39.89639; -82.41944 (39.896506, -82.419563).
According to the United States Census Bureau, the village has a total area of 0.4 square miles (1.1 km²), all of it land.