Racial and ethnic composition 2020 census As of the
2020 census, Florissant had a population of 52,533, 21,185 households, and 12,336 families. The median age was 37.8 years. 23.9% of residents were under the age of 18 and 16.2% were 65 years of age or older. For every 100 females there were 86.1 males, and for every 100 females age 18 and over there were 80.6 males age 18 and over. There were 22,710 housing units, of which 6.7% were vacant. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 9.6%. there were 52,158 people, 21,247 households and 13,800 families living in the city. The
population density was . There were 22,632 housing units at an average density of . The
racial makeup of the city was 58.3% White, 36.8% African American, 0.2% Native American, 0.8% Asian, 0.6% from
other races, and 2.3% from two or more races. Hispanic or Latino people of any race were 2.0% of the population. There were 21,247 households, of which 32.3% had children under the age of 18 living with them, 42.4% were
married couples living together, 17.5% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 35.0% were non-families. 29.9% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 3.00. The median age in the city was 38 years. 23.9% of residents were under the age of 18; 8.6% were between the ages of 18 and 24; 26.2% were from 25 to 44; 25.8% were from 45 to 64; and 15.5% were 65 years of age or older. The gender makeup of the city was 46.8% male and 53.2% female.
2000 census At the
2000 census, estimates show that the median household income was $58,769 (with a margin of error of +/- $4,467) and the median family income was $73,794 (+/- $3,536). Males had a median income of $36,440 (+/- $2,203) versus $33,166 (+/- $2,612) for females. The median income for those above 16 years old was $34,998 (+/- $1,688). Approximately, 7.9% of families and 10.2% of the population were below the
poverty line, including 17.2% of those under the age of 18 and 5.2% of those ages 65 or over. ==Education==