Peru, IN -- U.S. city in Indiana Population (2000): 12994 Housing Units (2000): 5943 Land area (2000): 4.615116 sq. miles (11.953094 sq. km) Water area (2000): 0.043069 sq. miles (0.111547 sq. km) Total area (2000): 4.658185 sq. miles (12.064641 sq. km) FIPS code: 59328 Located within: Indiana (IN), FIPS 18 Location: 40.757690 N, 86.067791 W ZIP Codes (1990): 46970 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Peru, IN Peru