Rantoul, IL -- U.S. village in Illinois Population (2000): 12857 Housing Units (2000): 6161 Land area (2000): 7.237089 sq. miles (18.743973 sq. km) Water area (2000): 0.112912 sq. miles (0.292440 sq. km) Total area (2000): 7.350001 sq. miles (19.036413 sq. km) FIPS code: 62783 Located within: Illinois (IL), FIPS 17 Location: 40.304600 N, 88.152070 W ZIP Codes (1990): 61866 61868 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Rantoul, IL Rantoul