35401 -- U.S. ZIP code Municipality (1990): TUSCALOOSA, Alabama All ZIPs for this municipality (1990): 35401 35405 35406 Population (2000): 37764 Housing Units (2000): 16001 Land area (2000): 44.931580 sq. miles (116.372253 sq. km) Water area (2000): 0.150192 sq. miles (0.388996 sq. km) Total area (2000): 45.081772 sq. miles (116.761249 sq. km) Located within: Alabama (AL) Location: 33.193818 N, 87.568430 W