Riley, IN -- U.S. town in Indiana Population (2000): 160 Housing Units (2000): 83 Land area (2000): 0.091547 sq. miles (0.237106 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.091547 sq. miles (0.237106 sq. km) FIPS code: 64512 Located within: Indiana (IN), FIPS 18 Location: 39.389838 N, 87.300420 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Riley, IN Riley