30814 -- U.S. ZIP code Municipality (1990): HARLEM, Georgia All ZIPs for this municipality (1990): 30814 Population (2000): 6879 Housing Units (2000): 2680 Land area (2000): 53.822201 sq. miles (139.398854 sq. km) Water area (2000): 0.046872 sq. miles (0.121397 sq. km) Total area (2000): 53.869073 sq. miles (139.520251 sq. km) Located within: Georgia (GA) Location: 33.423590 N, 82.310139 W