Black Jack is a city located in St. Louis County, Missouri. Black Jack has a 2026 population of 6,541. Black Jack is currently declining at a rate of -0.26% annually and its population has decreased by -1.52% since the most recent census, which recorded a population of 6,642 in 2020.
The median household income in Black Jack is $78,331 with a poverty rate of 5%. The median age in Black Jack is 42.7 years: 42.8 years for males, and 42.5 years for females. For every 100 females there are 85.3 males.
Data after 2023 is projected based on recent change
Overall: 42.7 years
Female: 42.5 years
Male: 42.8 years
There are 4,974 adults, (1,537 of whom are seniors) in Black Jack.
Female: 3,556 (54%)
Male: 3,033 (46%)
The racial composition of Black Jack includes 88.71% Black or African American, 8.95% White, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 5,845 | 88.71% |
| White | 590 | 8.95% |
| Two or more races | 131 | 1.99% |
| Asian | 16 | 0.24% |
| Native American | 7 | 0.11% |
Black Jack 's average per capita income is $49,427. Household income levels show a median of $78,331. The poverty rate stands at 5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,572 | - |
| Families | $88,841 | $100,657 |
| Households | $78,331 | $89,498 |
| Non Families | $48,116 | $59,796 |
Average Income
Median Household Income
Poverty Rate