 Stone County is surrounded by three Ozark counties, Searcy County to the west, Baxter County to the northwest, Izard County to the northeast, and three border counties with the Arkansas River Valley, Van Buren County to the southwest, Cleburne County to the south, and Independence County (which also contains a small piece of the Arkansas Delta) to the east.As of the 2010 census, there were 12,394 people, 5,325 households, and 3,590 families residing in the county.The population density was 20 people per square mile (7.9/km²).