2020 census As of the
2020 census, Creve Coeur had a population of 4,934. The median age was 40.8 years. 20.3% of residents were under the age of 18 and 16.5% of residents were 65 years of age or older. For every 100 females there were 104.1 males, and for every 100 females age 18 and over there were 100.7 males age 18 and over. 98.7% of residents lived in urban areas, while 1.3% lived in rural areas. There were 2,137 households in Creve Coeur, of which 24.4% had children under the age of 18 living in them. Of all households, 36.8% were married-couple households, 24.7% were households with a male householder and no spouse or partner present, and 27.6% were households with a female householder and no spouse or partner present. About 33.8% of all households were made up of individuals and 12.7% had someone living alone who was 65 years of age or older. Of the 2,219 households 28.8% had children under the age of 18 living with them, 50.2% were married couples living together, 12.2% had a female householder with no husband present, and 32.9% were non-families. 27.2% of households were one person and 9.8% were one person aged 65 or older. The average household size was 2.46 and the average family size was 2.97. The age distribution was 24.7% under the age of 18, 8.9% from 18 to 24, 30.5% from 25 to 44, 22.6% from 45 to 64, and 13.3% 65 or older. The median age was 36 years. For every 100 females, there were 97.9 males. For every 100 females age 18 and over, there were 95.2 males. The median household income was $36,138 and the median family income was $41,006. Males had a median income of $32,188 versus $21,302 for females. The per capita income for the village was $16,712. About 4.5% of families and 7.3% of the population were below the
poverty line, including 7.6% of those under age 18 and 5.5% of those age 65 or over. ==Transportation==