31724 -- U.S. ZIP code Municipality (1990): BLUFFTON, Georgia All ZIPs for this municipality (1990): 31724 Population (2000): 411 Housing Units (2000): 183 Land area (2000): 34.790534 sq. miles (90.107066 sq. km) Water area (2000): 0.168310 sq. miles (0.435922 sq. km) Total area (2000): 34.958844 sq. miles (90.542988 sq. km) Located within: Georgia (GA) Location: 31.528299 N, 84.860251 W