31314 -- U.S. ZIP code Municipality (1990): FORT STEWART, Georgia All ZIPs for this municipality (1990): 31314 Population (2000): 3820 Housing Units (2000): 0 Land area (2000): 2.451891 sq. miles (6.350367 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.451891 sq. miles (6.350367 sq. km) Located within: Georgia (GA) Location: 31.868699 N, 81.610831 W