Black Jack, MO Profile: Facts, Map & Data


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Black Jack, Missouri - Basic Facts

The City of Black Jack had a population of 6,935 as of July 1, 2016. Black Jack ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for Black Jack is located at latitude 38.799 and longitude -90.2634 in St. Louis County. The formal boundaries for the City of Black Jack (see map below) encompass a land area of 2.62 sq. miles and a water area of 0.01 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 607 feet.

The City of Black Jack (GNIS ID: 2394179) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Black Jack is located within Township of Spanish Lake, a minor civil division (MCD) of St. Louis County.

Beneath the boundary map are tables with Black Jack population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Black Jack: Blackjack.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Black Jack, MO Boundary Map

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Boundary Maps: Township of Spanish Lake | St. Louis County | Missouri Counties

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Black Jack, MO Data & Demographics (As of July 1, 2016)


Total Population 6,935
Population in Households 6,810
Population in Familes 5,794
Population in Group Qrtrs 125
Population Density1 2,649
Diversity Index2 31


Total Households 2,589
Average Household Size 2.63
Family Households 1,832
Average Family Size 3


Total Housing Units 2,810 (100%)
Owner Occupied HU 2,121 (75.5%)
Renter Occupied HU 468 (16.7%)
Vacant Housing Units 221 ( 7.9%)
Median Home Value $151,322
Average Home Value $165,040


Median Household Income $55,168
Average Household Income $68,327
Per Capita Income $26,040
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.01% 0.07%
Households -0.01% 0.03%
Families 0.31% -0.03%
Median Household Income   2.64%
Per Capita Income   2.13%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Black Jack, MO - Peer Comparisons by Rank and Percentile

The table below compares Black Jack to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 117 89th
Population Density1 # 73 93rd
Diversity Index2 # 144 86th
Median Household Income # 186 82nd
Per Capita Income # 212 80th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.