30078 -- U.S. ZIP code Population (2000): 29113 Housing Units (2000): 9897 Land area (2000): 16.685670 sq. miles (43.215684 sq. km) Water area (2000): 0.094053 sq. miles (0.243595 sq. km) Total area (2000): 16.779723 sq. miles (43.459279 sq. km) Located within: Georgia (GA) Location: 33.860955 N, 84.018078 W