About This Place
Arcanum is a village in Darke County, Ohio, United States. The population was 2,076 at the 2000 census.
Arcanum is located at 39°59′30″N 84°33′17″W / 39.99167°N 84.55472°W / 39.99167; -84.55472 (39.991714, -84.554797).
According to the United States Census Bureau, the village has a total area of 1.2 square miles (3.0 km²), all of it land.