Creve Coeur, IL -- U.S. village in Illinois Population (2000): 5448 Housing Units (2000): 2476 Land area (2000): 4.059106 sq. miles (10.513036 sq. km) Water area (2000): 0.376326 sq. miles (0.974680 sq. km) Total area (2000): 4.435432 sq. miles (11.487716 sq. km) FIPS code: 17549 Located within: Illinois (IL), FIPS 17 Location: 40.643846 N, 89.599082 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Creve Coeur, IL Creve Coeur