Saint Ann, MO Profile: Facts & Data


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Saint Ann, Missouri - Basic Facts

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The City of Saint Ann had a population of 13,131 as of July 1, 2022. Saint Ann 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 Saint Ann is located at latitude 38.7273 and longitude -90.3832 in St. Louis County. The formal boundaries for the City of Saint Ann encompass a land area of 3.19 sq. miles and a water area of 0 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 581 feet.

The City of Saint Ann 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 Ann is located within Township of Airport, a minor civil division (MCD) of St. Louis County.

Alternate Unofficial Names for Saint Ann: Mary Ridge.

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  1. Saint Ann 2022 Demographic Data
  2. Growth Rates for Saint Ann (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2022 Demographics

Saint Ann, MO Data & Demographics (As of July 1, 2022)


Total Population 13,131 (100%)
Population in Households 13,115 (99.9%)
Population in Families 9,480 (72.2%)
Population in Group Quarters1 16 ( 0.1%)
Population Density 4,162
Diversity Index2 66


Median Household Income $52,085
Average Household Income $62,932
% of Income for Mortgage4 12%
Per Capita Income $28,477
Wealth Index5 44


Total HU (Housing Units) 6,540 (100%)
Owner Occupied HU 3,480 (53.2%)
Renter Occupied HU 2,572 (39.3%)
Vacant Housing Units 488 ( 7.5%)
Median Home Value $117,812
Average Home Value $171,847
Housing Affordability Index3 186


Total Households 6,052
Average Household Size 2.17
Family Households 3,275
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population 0.38% -0.06%
Households 0.25% 0.04%
Families   -0.03%
Median Household Income   2.68%
Per Capita Income   4.38%
Owner Occupied HU   0.47%

Saint Ann, MO - Peer Comparisons by Rank and Percentile

The table below compares Saint Ann to the other 1,082 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2022 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 # 68 94th
Population Density # 39 96th
Median Household Income # 630 42nd
Housing Affordability Index # 684 63rd
Per Capita Income # 576 47th
Diversity Index # 22 98th

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

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