31085 -- U.S. ZIP code Municipality (1990): SHADY DALE, Georgia All ZIPs for this municipality (1990): 31085 Population (2000): 1071 Housing Units (2000): 365 Land area (2000): 48.826496 sq. miles (126.460039 sq. km) Water area (2000): 0.188985 sq. miles (0.489469 sq. km) Total area (2000): 49.015481 sq. miles (126.949508 sq. km) Located within: Georgia (GA) Location: 33.421694 N, 83.614330 W