Oakville

County:: St. Louis County
County Seat:: No
Area (mi²):: 15.878
State:: Missouri

Oakville is a CDP located in St. Louis County, Missouri. Oakville has a 2025 population of 35,229. Oakville is currently declining at a rate of -0.17% annually and its population has decreased by -2.46% since the most recent census, which recorded a population of 36,117 in 2020.

The average household income in Oakville is $128,355 with a poverty rate of 5.59%. The median age in Oakville is 45.7 years: 44.3 years for males, and 47.7 years for females.

Demographics

The racial composition of Oakville includes 88.94% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	31,278	88.94%
Two or more races	2,082	5.92%
Black or African American	964	2.74%
Asian	603	1.71%
Other race	183	0.52%
Native American	56	0.16%
Native Hawaiian or Pacific Islander	0	0%

Oakville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oakville's average per capita income is $60,352. Household income levels show a median of $103,125. The poverty rate stands at 5.59%.

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	$129,536	-
Families	$120,438	$146,193
Households	$103,125	$128,355
Non Families	$53,555	$74,578

$60,352

Average Income

$103,125

Median Household Income

5.59%

Poverty Rate