30067 -- U.S. ZIP code Municipality (1990): MARIETTA, Georgia All ZIPs for this municipality (1990): 30060 30062 30064 30066 30067 30068 Population (2000): 48116 Housing Units (2000): 21782 Land area (2000): 15.149964 sq. miles (39.238225 sq. km) Water area (2000): 0.037172 sq. miles (0.096274 sq. km) Total area (2000): 15.187136 sq. miles (39.334499 sq. km) Located within: Georgia (GA) Location: 33.933002 N, 84.476331 W