31516 -- U.S. ZIP code Municipality (1990): BLACKSHEAR, Georgia All ZIPs for this municipality (1990): 31516 Population (2000): 11974 Housing Units (2000): 5109 Land area (2000): 178.124712 sq. miles (461.340866 sq. km) Water area (2000): 0.401891 sq. miles (1.040894 sq. km) Total area (2000): 178.526603 sq. miles (462.381760 sq. km) Located within: Georgia (GA) Location: 31.307234 N, 82.257790 W