Granville South is a census-designated place (CDP) in Licking County, Ohio, United States.Ohio State Route 16 passes through the community, leading east 8 miles (13 km) to Newark, the county seat, and southwest 25 miles (40 km) to Columbus.State Route 37 forms the northern edge of most of the community; the highway leads northwest 21 miles (34 km) to Sunbury.State Route 37 and 161 form a freeway which leads west 20 miles (32 km) to Interstate 270 in the northeastern suburbs of Columbus.None of the families and 1.3% of the population were living below the poverty line, including no under eighteens and 5.9% of those over 64.