30750 -- U.S. ZIP code Municipality (1990): LOOKOUT MOUNTAIN, Georgia All ZIPs for this municipality (1990): 30750 Population (2000): 4038 Housing Units (2000): 1374 Land area (2000): 17.117905 sq. miles (44.335168 sq. km) Water area (2000): 0.068166 sq. miles (0.176549 sq. km) Total area (2000): 17.186071 sq. miles (44.511717 sq. km) Located within: Georgia (GA) Location: 34.957134 N, 85.371832 W