30518 -- U.S. ZIP code Municipality (1990): BUFORD, Georgia All ZIPs for this municipality (1990): 30518 Population (2000): 29183 Housing Units (2000): 11182 Land area (2000): 39.535584 sq. miles (102.396689 sq. km) Water area (2000): 1.154207 sq. miles (2.989383 sq. km) Total area (2000): 40.689791 sq. miles (105.386072 sq. km) Located within: Georgia (GA) Location: 34.121150 N, 84.018044 W