31404 -- U.S. ZIP code Municipality (1990): STATE COLLEGE, Georgia All ZIPs for this municipality (1990): 31404 Population (2000): 32249 Housing Units (2000): 13432 Land area (2000): 14.579223 sq. miles (37.760012 sq. km) Water area (2000): 0.005681 sq. miles (0.014714 sq. km) Total area (2000): 14.584904 sq. miles (37.774726 sq. km) Located within: Georgia (GA) Location: 32.046143 N, 81.067243 W