31545 -- U.S. ZIP code Municipality (1990): JESUP, Georgia All ZIPs for this municipality (1990): 31545 Population (2000): 14047 Housing Units (2000): 5959 Land area (2000): 105.092092 sq. miles (272.187257 sq. km) Water area (2000): 0.488488 sq. miles (1.265178 sq. km) Total area (2000): 105.580580 sq. miles (273.452435 sq. km) Located within: Georgia (GA) Location: 31.636895 N, 81.908435 W