Cornell, IL -- U.S. village in Illinois Population (2000): 511 Housing Units (2000): 217 Land area (2000): 0.635743 sq. miles (1.646566 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.635743 sq. miles (1.646566 sq. km) FIPS code: 16405 Located within: Illinois (IL), FIPS 17 Location: 40.990817 N, 88.729832 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Cornell, IL Cornell