30012 -- U.S. ZIP code Population (2000): 23711 Housing Units (2000): 8502 Land area (2000): 43.912982 sq. miles (113.734097 sq. km) Water area (2000): 0.547999 sq. miles (1.419310 sq. km) Total area (2000): 44.460981 sq. miles (115.153407 sq. km) Located within: Georgia (GA) Location: 33.696714 N, 84.017328 W