35071 -- U.S. ZIP code Municipality (1990): GARDENDALE, Alabama All ZIPs for this municipality (1990): 35071 Population (2000): 13484 Housing Units (2000): 5711 Land area (2000): 59.015938 sq. miles (152.850572 sq. km) Water area (2000): 0.068845 sq. miles (0.178307 sq. km) Total area (2000): 59.084783 sq. miles (153.028879 sq. km) Located within: Alabama (AL) Location: 33.679330 N, 86.820601 W