Leavenworth, IN -- U.S. town in Indiana Population (2000): 353 Housing Units (2000): 187 Land area (2000): 0.833942 sq. miles (2.159901 sq. km) Water area (2000): 0.049602 sq. miles (0.128468 sq. km) Total area (2000): 0.883544 sq. miles (2.288369 sq. km) FIPS code: 42606 Located within: Indiana (IN), FIPS 18 Location: 38.199061 N, 86.342334 W ZIP Codes (1990): 47137 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Leavenworth, IN Leavenworth