Jennings is a city located in St. Louis County, Missouri. Jennings has a 2026 population of 13,085. Jennings is currently growing at a rate of 0.24% annually and its population has increased by 1.42% since the most recent census, which recorded a population of 12,902 in 2020.
The median household income in Jennings is $38,984 with a poverty rate of 25.16%. The median age in Jennings is 39.4 years: 33.9 years for males, and 45.2 years for females. For every 100 females there are 71.3 males.
Data after 2023 is projected based on recent change
Overall: 39.4 years
Female: 45.2 years
Male: 33.9 years
There are 9,611 adults, (2,294 of whom are seniors) in Jennings.
Female: 7,539 (58.4%)
Male: 5,379 (41.6%)
The racial composition of Jennings includes 88.95% Black or African American, 5.07% White, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 11,491 | 88.95% |
| White | 655 | 5.07% |
| Two or more races | 616 | 4.77% |
| Other race | 69 | 0.53% |
| Asian | 51 | 0.39% |
| Native American | 36 | 0.28% |
Jennings ' average per capita income is $33,091. Household income levels show a median of $38,984. The poverty rate stands at 25.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,922 | - |
| Families | $52,288 | $62,216 |
| Households | $38,984 | $50,098 |
| Non Families | $25,740 | $36,790 |
Average Income
Median Household Income
Poverty Rate