Jennings

County:: St. Louis County
County Seat:: No
Area (mi²):: 3.733
State:: Missouri

Jennings is a city located in St. Louis County, Missouri. Jennings has a 2025 population of 12,792. Jennings is currently declining at a rate of -0.17% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 12,901 in 2020.

The average household income in Jennings is $45,121 with a poverty rate of 24.08%. The median age in Jennings is 38.5 years: 34.3 years for males, and 44.7 years for females.

Demographics

The racial composition of Jennings includes 91.12% Black or African American, 4.74% White, and smaller percentages for Native American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Two or more races

Native American

Asian

Other race

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Black or African American	11,755	91.12%
White	612	4.74%
Two or more races	456	3.53%
Native American	36	0.28%
Asian	29	0.22%
Other race	12	0.09%
Native Hawaiian or Pacific Islander	0	0%

Jennings Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jennings' average per capita income is $31,969. Household income levels show a median of $37,356. The poverty rate stands at 24.08%.

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	$72,431	-
Families	$46,701	$56,705
Households	$37,356	$45,121
Non Families	$24,936	$31,691

$31,969

Average Income

$37,356

Median Household Income

24.08%

Poverty Rate