30904 -- U.S. ZIP code Municipality (1990): AUGUSTA, Georgia All ZIPs for this municipality (1990): 30901 30904 Population (2000): 28323 Housing Units (2000): 14038 Land area (2000): 10.536975 sq. miles (27.290639 sq. km) Water area (2000): 0.158798 sq. miles (0.411284 sq. km) Total area (2000): 10.695773 sq. miles (27.701923 sq. km) Located within: Georgia (GA) Location: 33.474136 N, 82.010187 W