Ozark is a city in Franklin County, Arkansas, United States and one of the county's two seats of government. The community is located along the Arkansas River in the Arkansas River Valley on the southern edge of the Ozark Mountains. As of the 2010 census it had a population of 3,684. Incorporated in 1850, Ozark is adjacent to much of Arkansas wine country, and contains a bridge to cross the Arkansas River for travelers heading to points south.