Creve Coeur is a village in Groveland Township, Tazewell County, Illinois, United States. As of the 2020 census, the village population was 4,934. Creve Coeur is a suburb of Peoria and is part of the Peoria, Illinois Metropolitan Statistical Area.

Tazewell County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 131,343. Its county seat and largest city is Pekin. It is pronounced with a short "a", to rhyme with "razz" rather than "raze."