30735 -- U.S. ZIP code Municipality (1990): HILL CITY, Georgia All ZIPs for this municipality (1990): 30735 Population (2000): 5497 Housing Units (2000): 2097 Land area (2000): 52.223306 sq. miles (135.257737 sq. km) Water area (2000): 0.098438 sq. miles (0.254954 sq. km) Total area (2000): 52.321744 sq. miles (135.512691 sq. km) Located within: Georgia (GA) Location: 34.604648 N, 84.919261 W