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 and multiracial populations.

Population by Race

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%

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