Saint Mary, MO Profile: Facts, Map & Data


Saint Mary Local Links & Resources:
Hotels | Resources | ALL Saint Mary Content

Also See: Saint Mary, MO ZIP Codes & ZIP Code Maps | Local Area Photos

Saint Mary, Missouri - Basic Facts

The City of Saint Mary had a population of 346 as of July 1, 2016.

The primary coordinate point for Saint Mary is located at latitude 37.8738 and longitude -89.9497 in Ste. Genevieve County. The formal boundaries for the City of Saint Mary (see map below) encompass a land area of 0.6 sq. miles and a water area of 0.01 sq. miles. Ste. Genevieve County is in the Central time zone (GMT -6). The elevation is 387 feet.

The City of Saint Mary (GNIS ID: 2396504) 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 Saint Mary is located within Township of Beauvais, a minor civil division (MCD) of Ste. Genevieve County.

Beneath the boundary map are tables with Saint Mary 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 Saint Mary: Camp Rowdy, Iron Mountain City, Saint Marys, Saint Marys Landing, Yankeetown.

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 Saint Mary, MO Boundary Map

Also See: BIG Map | Driving Directions | MO Congressional Districts
Boundary Maps: Township of Beauvais | Ste. Genevieve County | Missouri Counties

Search the map for:

Saint Mary, MO Data & Demographics (As of July 1, 2016)


Total Population 346
Population in Households 346
Population in Familes 276
Population in Group Qrtrs 0
Population Density1 577
Diversity Index2 17


Total Households 153
Average Household Size 2.26
Family Households 103
Average Family Size 3


Total Housing Units 188 (100%)
Owner Occupied HU 122 (64.9%)
Renter Occupied HU 30 (16.0%)
Vacant Housing Units 35 (18.6%)
Median Home Value $79,545
Average Home Value $107,520


Median Household Income $33,329
Average Household Income $42,897
Per Capita Income $17,439
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.63% -0.35%
Households -0.61% -0.26%
Families 2.37% -0.39%
Median Household Income   2.29%
Per Capita Income   1.9%
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 Mary, MO - Peer Comparisons by Rank and Percentile

The table below compares Saint Mary 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 # 596 42nd
Population Density1 # 664 36th
Diversity Index2 # 361 65th
Median Household Income # 804 22nd
Per Capita Income # 851 18th

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

Missouri Research Tools

Missouri Census Data Comparison Tool

Compare Missouri Census Data
Highest or Lowest: