About This Place
Fort Jennings is a village in the southwestern corner of Putnam County, Ohio, United States. The population was 432 at the 2000 census.
Fort Jennings is located at 40°54′17″N 84°17′53″W / 40.90472°N 84.29806°W / 40.90472; -84.29806 (40.904854, -84.298023).
According to the United States Census Bureau, the village has a total area of 0.5 square miles (1.3 km²), all of it land.