Black Jack, MO

View of Black Jack, MO
Population
6,547
U.S. Census Population Estimates Program · 2025
Elevation
607 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$193,000
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,166/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$78,331
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Black Jack

Tucked into northern St. Louis County, Black Jack is a quiet, leafy suburb with a population of around 6,600. The town got its memorable name back in the 1800s from three blackjack oak trees that provided shade for local farmers at the corner of Old Halls Ferry and Parker roads. Today, it offers a relaxed residential feel with convenient access to the rest of the St. Louis metro area.

Local students attend the Hazelwood School District, and there is plenty of green space to enjoy on the weekends. Residents can spend time outdoors at the 75-acre city park or explore the scenic walking paths at Joyce E. Hoffman Nature Park. Getting around is straightforward thanks to New Halls Ferry Road and Interstate 270, putting neighboring Florissant, Hazelwood, and downtown commutes within easy reach.

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