Waterloo, AL -- U.S. town in Alabama Population (2000): 208 Housing Units (2000): 145 Land area (2000): 0.761656 sq. miles (1.972681 sq. km) Water area (2000): 0.047093 sq. miles (0.121971 sq. km) Total area (2000): 0.808749 sq. miles (2.094652 sq. km) FIPS code: 80064 Located within: Alabama (AL), FIPS 01 Location: 34.916795 N, 88.064210 W ZIP Codes (1990): 35677 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Waterloo, AL Waterloo