30434 -- U.S. ZIP code Municipality (1990): LOUISVILLE, Georgia All ZIPs for this municipality (1990): 30434 Population (2000): 6232 Housing Units (2000): 2491 Land area (2000): 195.772112 sq. miles (507.047420 sq. km) Water area (2000): 0.860554 sq. miles (2.228824 sq. km) Total area (2000): 196.632666 sq. miles (509.276244 sq. km) Located within: Georgia (GA) Location: 33.008983 N, 82.378006 W