Jennings is a city located in St. Louis County, Missouri. Jennings has a 2025 population of 13,054 . Jennings is currently growing at a rate of 0.23% annually and its population has increased by 1.18% since the most recent census, which recorded a population of 12,902 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. For every 100 females there are 76.1 males.
Data after 2023 is projected based on recent change
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.
Black or African American (91.12%)
White (4.74%)
Two or more races (3.53%)
Native American (0.28%)
Asian (0.22%)
Other race (0.09%)
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% |
Married
Widowed
Divorced
Separated
Never Married
Jennings' average per capita income is $31,969. Household income levels show a median of $37,356. The poverty rate stands at 24.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $72,431 | - |
| Families | $46,701 | $56,705 |
| Households | $37,356 | $45,121 |
| Non Families | $24,936 | $31,691 |
Average Income
Median Household Income
Poverty Rate