Black Jack, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Black Jack, Missouri had a total population of 6,589, the 118th largest city in Missouri, with a median household income of $78,331, which is 11% higher than the state average. The poverty rate is 5.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.5x.
Black Jack Quick Facts
How Black Jack Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 6,606 | 6,589 | -0.3% |
| Median household income | $65,920 | $78,331 | +18.8% |
| Median home value | $187,600 | $193,000 | +2.9% |
How Black Jack Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Black Jack Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Louis County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florissant | 51,773 | $65,318 | 10.1% | $148,800 |
| Chesterfield | 49,574 | $133,037 | 3.9% | $472,500 |
| Oakville | 35,333 | $106,362 | 6.4% | $318,600 |
| Wildwood | 35,133 | $161,060 | 2.2% | $495,800 |
| University City | 34,685 | $80,694 | 14.5% | $306,700 |
| Ballwin | 31,279 | $124,626 | 4.8% | $377,100 |
| Mehlville | 29,805 | $67,071 | 7.8% | $218,400 |
| Kirkwood | 29,363 | $121,270 | 5.3% | $451,400 |
| Maryland Heights | 27,880 | $86,436 | 4.7% | $227,000 |
| Hazelwood | 25,114 | $55,908 | 15.9% | $167,400 |
Cities Similar to Black Jack
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Willard | 6,488 | $84,600 | $212,900 | 33.1% | 9.7% |
| Shrewsbury | 6,316 | $80,757 | $269,800 | 54.0% | 10.0% |
| Valley Park | 6,795 | $67,898 | $251,000 | 43.9% | 9.8% |
| Sappington | 7,367 | $77,650 | $297,600 | 46.4% | 3.9% |
| Sullivan | 6,310 | $63,370 | $163,200 | 18.9% | 11.5% |
Population Overview
Black Jack is a small city located in Missouri, within St. Louis County. The total population is 6,589. It ranks as the 118th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Black Jack is 42.7 years. This is 9% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Black Jack is $78,331. This is 11% higher than the state median of $70,702. It is also 3% lower than the national median of $80,734. The poverty rate stands at 5.0%. This is 60% lower than the state poverty rate of 12.6%. The unemployment rate is 6.0%. This is 49% higher than the state rate of 4.0%. The median home value is $193,000. Housing costs are 16% lower than the state median of $230,300. With a home-value-to-income ratio of just 2.5x, Black Jack is one of the most affordable housing markets in the area. 78.1% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 68.1%.
Race & Ethnicity
Black Jack has a predominantly Black or African American population, comprising 88.7% of all residents. White (non-Hispanic) residents account for 8.9%. The White (non-Hispanic) population (8.9%) is well below the state average of 76.3%. The Black or African American population is significantly higher than the state average (88.7% vs 10.9%). The Asian population (0.2%) is well below the state average of 2.1%.
Education
32.2% of residents aged 25 and older hold a bachelor's degree or higher. This is about the same as the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%. Notably, 16.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Black Jack, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Black Jack, Missouri?
Black Jack, Missouri has a population of 6,589 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Black Jack, MO?
The median household income in Black Jack is $78,331, which is 3% lower than the national median of $80,734.
What is the poverty rate in Black Jack, MO?
The poverty rate in Black Jack is 5.0%. This means approximately 316 residents live below the federal poverty line.
What is the racial makeup of Black Jack, Missouri?
Black Jack's population is 8.9% White, 88.7% Black, 0.0% Hispanic/Latino, and 0.2% Asian.
What is the median home value in Black Jack, MO?
The median home value in Black Jack is $193,000. The home-value-to-income ratio is 2.5x.
How educated is Black Jack, Missouri?
32.2% of adults (25+) in Black Jack hold a bachelor's degree or higher, and 16.7% hold a graduate or professional degree.