30189 -- U.S. ZIP code Population (2000): 33040 Housing Units (2000): 11915 Land area (2000): 19.553520 sq. miles (50.643381 sq. km) Water area (2000): 0.026481 sq. miles (0.068585 sq. km) Total area (2000): 19.580001 sq. miles (50.711966 sq. km) Located within: Georgia (GA) Location: 34.117565 N, 84.571761 W