31523 -- U.S. ZIP code Population (2000): 8621 Housing Units (2000): 3547 Land area (2000): 190.124884 sq. miles (492.421167 sq. km) Water area (2000): 0.274670 sq. miles (0.711391 sq. km) Total area (2000): 190.399554 sq. miles (493.132558 sq. km) Located within: Georgia (GA) Location: 31.212705 N, 81.609751 W