), is a second-ring suburb of St. Louis, located in west St. Louis County, Missouri, United States. The population was 16,500 at the 2000 census. Creve Coeur borders and shares a zip code with the neighboring City of Town and Country.
The city derives its name from Creve Coeur Lake. It was incorporated in 1949. Although there are cabins that are more than 200 years old (including two still in Conway Park) in the community, it grew primarily as a stopping point along Olive Boulevard between University City, Missouri and Creve Coeur Lake. It expanded faster following construction of Interstate 270 and US Route 40
The lake and its associated park which was the first county park in St. Louis County is now part of Maryland Heights, Missouri to the west of Creve Coeur.