Saint Louis, MO Profile: Facts, Map & Data


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Saint Louis, Missouri - Basic Facts

The City of Saint Louis is an incorporated place (Class Code P1) located in St. Louis (city) County at latitude 38.6357 and longitude -90.2446. St. Louis (city) County is in the Central time zone (GMT -6). The elevation is 466 feet.

The formal official name is the City of Saint Louis, but most people and references simply refer to it as Saint Louis, Missouri.

The P1 Census Class Code for Saint Louis indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Saint Louis (see map below) encompass a land area of 61.95 sq. miles and a water area of 4.12 sq. miles.

Alternate Unofficial Names for Saint Louis: City of Saint Louis, Lacledes Village, Mound City, Pain Court, Pancore, Saint Lewis, Saint Louis City.

City of Saint Louis, MO Boundary Map


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Saint Louis, MO Data & Demographics (As of July 1, 2014)


Total Population 317,858
Population in Households 305,879
Population in Familes 204,476
Population in Group Qrtrs 11,979
Population Density1 5,134
Diversity Index2 60


Total Households 142,916
Average Household Size 2.14
Family Households 66,899
Average Family Size 3


Total Housing Units 177,095 (100%)
Owner Occupied HU 63,484 (35.8%)
Renter Occupied HU 79,432 (44.9%)
Vacant Housing Units 34,179 (19.3%)
Median Home Value $141,657
Average Home Value $182,343


Median Household Income $32,843
Average Household Income $46,814
Per Capita Income $21,442
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.11% -0.11%
Households 0.14% 0.06%
Families -0.21% -0.15%
Median Household Income   2.96%
Per Capita Income   3.32%
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.


Saint Louis, MO - Peer Comparisons by Rank and Percentile

The table below compares Saint Louis to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2014 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 # 2 100th
Population Density1 # 25 98th
Diversity Index2 # 19 98th
Median Household Income # 819 21st
Per Capita Income # 397 62nd

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