31646 -- U.S. ZIP code Municipality (1990): SAINT GEORGE, Georgia All ZIPs for this municipality (1990): 31646 Population (2000): 1569 Housing Units (2000): 694 Land area (2000): 102.269809 sq. miles (264.877579 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 102.269809 sq. miles (264.877579 sq. km) Located within: Georgia (GA) Location: 30.518903 N, 82.080639 W