Enon is a village in Clark County, Ohio, United States. The population was 2,415 at the 2010 census. It is part of the Springfield, Ohio Metropolitan Statistical Area.Enon is the headquarters of the Speedway LLC gas station chain.The Enon Mound, Ohio's second largest conical Indian burial mound, is located in Enon. This mound is believed to have been built by the Adena culture.The band Enon is named for the village.