Troy, AL -- U.S. city in Alabama Population (2000): 13935 Housing Units (2000): 6436 Land area (2000): 26.238045 sq. miles (67.956221 sq. km) Water area (2000): 0.094995 sq. miles (0.246036 sq. km) Total area (2000): 26.333040 sq. miles (68.202257 sq. km) FIPS code: 76920 Located within: Alabama (AL), FIPS 01 Location: 31.801960 N, 85.967317 W ZIP Codes (1990): 36081 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Troy, AL Troy