Black Jack Flag

Black Jack

County Seat:
No
Area (mi²):
2.586
State:
Missouri

Black Jack is a city located in St. Louis County, Missouri. Black Jack has a 2026 population of 6,575. Black Jack is currently growing at a rate of 0.23% annually but its population has decreased by -1.01% since the most recent census, which recorded a population of 6,642 in 2020.

6.6K
Total Population
2,542
Density (mi²)
15 0.23%
Growth