Chesterfield is a city located in St. Louis County, Missouri. Chesterfield has a 2026 population of 49,223. Chesterfield is currently declining at a rate of -0.25% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 49,949 in 2020.
The median household income in Chesterfield is $133,037 with a poverty rate of 3.92%. The median age in Chesterfield is 47.2 years: 44.3 years for males, and 49.5 years for females. For every 100 females there are 94.3 males.
Data after 2023 is projected based on recent change
Overall: 47.2 years
Female: 49.5 years
Male: 44.3 years
There are 39,094 adults, (12,641 of whom are seniors) in Chesterfield.
Female: 25,512 (51.5%)
Male: 24,062 (48.5%)
The racial composition of Chesterfield includes 74.33% White, 13.24% Asian, 3.87% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,848 | 74.33% |
| Asian | 6,566 | 13.24% |
| Two or more races | 3,677 | 7.42% |
| Black or African American | 1,919 | 3.87% |
| Other race | 523 | 1.05% |
| Native American | 41 | 0.08% |
Chesterfield 's average per capita income is $95,274. Household income levels show a median of $133,037. The poverty rate stands at 3.92%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $188,258 | - |
| Families | $176,119 | $220,566 |
| Households | $133,037 | $179,132 |
| Non Families | $71,197 | $83,814 |
Average Income
Median Household Income
Poverty Rate