Kewanna, IN -- U.S. town in Indiana Population (2000): 614 Housing Units (2000): 297 Land area (2000): 0.524100 sq. miles (1.357412 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.524100 sq. miles (1.357412 sq. km) FIPS code: 39618 Located within: Indiana (IN), FIPS 18 Location: 41.018087 N, 86.412686 W ZIP Codes (1990): 46939 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Kewanna, IN Kewanna