Black Jack
A city in St. Louis County, Missouri — population 6,921 as of 2020.
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Today
86°F
Sunny
Tonight
65°F
Mostly Clear1% precip
Sunday
84°F
Sunny
Sunday Night
64°F
Partly Cloudy4% precip
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Black Jack by the numbers
Population
6,921Population figure, 2020
Households & income
- Area
- 2.59 sq mi (6.7 km²), 0.02 sq mi water
- Median age
- 42.7
- Households
- 2,683
- Persons per household
- 2.4
- Median household income
- $78,331
- Median house value
- $193,000
Municipal office
- Office
- MAYOR
- Address
- 12500 OLD JAMESTOWN RD, FLORISSANT, MO 63033