30707 -- U.S. ZIP code Municipality (1990): CHICKAMAUGA, Georgia All ZIPs for this municipality (1990): 30707 Population (2000): 13836 Housing Units (2000): 5606 Land area (2000): 132.318718 sq. miles (342.703892 sq. km) Water area (2000): 0.094615 sq. miles (0.245051 sq. km) Total area (2000): 132.413333 sq. miles (342.948943 sq. km) Located within: Georgia (GA) Location: 34.827019 N, 85.328835 W