30474 -- U.S. ZIP code Municipality (1990): VIDALIA, Georgia All ZIPs for this municipality (1990): 30474 Population (2000): 15284 Housing Units (2000): 6681 Land area (2000): 115.866470 sq. miles (300.092768 sq. km) Water area (2000): 0.350466 sq. miles (0.907703 sq. km) Total area (2000): 116.216936 sq. miles (301.000471 sq. km) Located within: Georgia (GA) Location: 32.220155 N, 82.414931 W