Milltown, IN -- U.S. town in Indiana Population (2000): 932 Housing Units (2000): 408 Land area (2000): 1.407344 sq. miles (3.645005 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.407344 sq. miles (3.645005 sq. km) FIPS code: 49716 Located within: Indiana (IN), FIPS 18 Location: 38.342453 N, 86.273591 W ZIP Codes (1990): 47145 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Milltown, IN Milltown