Cool Valley, MO Profile: Facts & Data


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Cool Valley, Missouri - Basic Facts

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The City of Cool Valley had a population of 1,176 as of July 1, 2021. Cool Valley 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 Cool Valley is located at latitude 38.7278 and longitude -90.3101 in St. Louis County. The formal boundaries for the City of Cool Valley encompass a land area of 0.47 sq. miles and a water area of 0 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 594 feet.

The City of Cool Valley 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 Cool Valley is located within Township of Normandy, a minor civil division (MCD) of St. Louis County.

Jump to... (On This Page!)
  1. Cool Valley 2021 Demographic Data
  2. Growth Rates for Cool Valley (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 - 2021 Demographics

Cool Valley, MO Data & Demographics (As of July 1, 2021)


Total Population 1,176 (100%)
Population in Households 1,176 (100.0%)
Population in Families 954 (81.1%)
Population in Group Quarters1 0
Population Density 2,563
Diversity Index2 37


Median Household Income $40,702
Average Household Income $49,817
% of Income for Mortgage4 9%
Per Capita Income $18,479
Wealth Index5 36


Total HU (Housing Units) 481 (100%)
Owner Occupied HU 271 (56.3%)
Renter Occupied HU 161 (33.5%)
Vacant Housing Units 49 (10.2%)
Median Home Value $86,092
Average Home Value $111,993
Housing Affordability Index3 301


Total Households 432
Average Household Size 2.72
Family Households 284
Average Family Size 3
  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.


2010-2021 2021-2026
Population -0.12% 0.0%
Households -0.12% 0.0%
Families -0.54% -0.14%
Median Household Income   3.05%
Per Capita Income   2.38%
Owner Occupied HU   0.37%

Cool Valley, MO - Peer Comparisons by Rank and Percentile

The table below compares Cool Valley to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2021 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 # 344 67th
Population Density # 76 93rd
Median Household Income # 792 23rd
Housing Affordability Index # 914 89th
Per Capita Income # 942 9th
Diversity Index # 107 90th

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

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