Chesterfield

County:: St. Louis County
County Seat:: No
Area (mi²):: 31.835
State:: Missouri

Chesterfield is a city located in St. Louis County, Missouri. Chesterfield has a 2025 population of 48,642. Chesterfield is currently declining at a rate of -0.54% annually and its population has decreased by -2.62% since the most recent census, which recorded a population of 49,952 in 2020.

The average household income in Chesterfield is $184,892 with a poverty rate of 3.32%. The median age in Chesterfield is 46.9 years: 44.3 years for males, and 48.5 years for females.

Demographics

The racial composition of Chesterfield includes 74.75% White, 13.36% Asian, 3.28% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	37,068	74.75%
Asian	6,627	13.36%
Two or more races	3,804	7.67%
Black or African American	1,629	3.28%
Other race	418	0.84%
Native American	45	0.09%
Native Hawaiian or Pacific Islander	0	0%

Chesterfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Chesterfield's average per capita income is $94,691. Household income levels show a median of $133,380. The poverty rate stands at 3.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$186,640	-
Families	$173,560	$225,236
Households	$133,380	$184,892
Non Families	$69,605	$84,878

$94,691

Average Income

$133,380

Median Household Income

3.32%

Poverty Rate