30813 -- U.S. ZIP code Municipality (1990): GROVETOWN, Georgia All ZIPs for this municipality (1990): 30813 Population (2000): 16744 Housing Units (2000): 6078 Land area (2000): 50.836859 sq. miles (131.666854 sq. km) Water area (2000): 0.162297 sq. miles (0.420348 sq. km) Total area (2000): 50.999156 sq. miles (132.087202 sq. km) Located within: Georgia (GA) Location: 33.459489 N, 82.201024 W