30736 -- U.S. ZIP code Municipality (1990): RINGGOLD, Georgia All ZIPs for this municipality (1990): 30736 Population (2000): 33776 Housing Units (2000): 13205 Land area (2000): 122.985941 sq. miles (318.532111 sq. km) Water area (2000): 0.243447 sq. miles (0.630525 sq. km) Total area (2000): 123.229388 sq. miles (319.162636 sq. km) Located within: Georgia (GA) Location: 34.916552 N, 85.144353 W