31326 -- U.S. ZIP code Municipality (1990): RINCON, Georgia All ZIPs for this municipality (1990): 31326 Population (2000): 12302 Housing Units (2000): 4657 Land area (2000): 83.552323 sq. miles (216.399514 sq. km) Water area (2000): 0.797681 sq. miles (2.065985 sq. km) Total area (2000): 84.350004 sq. miles (218.465499 sq. km) Located within: Georgia (GA) Location: 32.293147 N, 81.230065 W