Middletown, IN -- U.S. town in Indiana Population (2000): 2488 Housing Units (2000): 1051 Land area (2000): 1.100688 sq. miles (2.850769 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.100688 sq. miles (2.850769 sq. km) FIPS code: 49014 Located within: Indiana (IN), FIPS 18 Location: 40.057094 N, 85.541098 W ZIP Codes (1990): 47356 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Middletown, IN Middletown