30467 -- U.S. ZIP code Municipality (1990): HILTONIA, Georgia All ZIPs for this municipality (1990): 30467 Population (2000): 13363 Housing Units (2000): 5910 Land area (2000): 524.357059 sq. miles (1358.078491 sq. km) Water area (2000): 4.043192 sq. miles (10.471818 sq. km) Total area (2000): 528.400251 sq. miles (1368.550309 sq. km) Located within: Georgia (GA) Location: 32.754635 N, 81.635436 W