31784 -- U.S. ZIP code Municipality (1990): SALE CITY, Georgia All ZIPs for this municipality (1990): 31784 Population (2000): 774 Housing Units (2000): 346 Land area (2000): 35.365883 sq. miles (91.597213 sq. km) Water area (2000): 0.496930 sq. miles (1.287043 sq. km) Total area (2000): 35.862813 sq. miles (92.884256 sq. km) Located within: Georgia (GA) Location: 31.258794 N, 84.028974 W