Lauderdale -- U.S. County in Alabama Population (2000): 87966 Housing Units (2000): 40424 Land area (2000): 669.460825 sq. miles (1733.895504 sq. km) Water area (2000): 49.322800 sq. miles (127.745460 sq. km) Total area (2000): 718.783625 sq. miles (1861.640964 sq. km) Located within: Alabama (AL), FIPS 01 Location: 34.876890 N, 87.605700 W Headwords: Lauderdale Lauderdale, AL Lauderdale County Lauderdale County, AL