Cool Valley Flag

Cool Valley

County Seat:
No
Area (mi²):
0.458
State:
Missouri

Cool Valley is a city located in St. Louis County, Missouri. Cool Valley has a 2025 population of 986. Cool Valley is currently declining at a rate of -1% annually and its population has decreased by -4.73% since the most recent census, which recorded a population of 1,035 in 2020.

The average household income in Cool Valley is $63,711 with a poverty rate of 26.69%.The median age in Cool Valley is 27.3 years: 24.8 years for males, and 38.2 years for females.

986
Total Population
2,151
Density (mi²)
-10 -1%
Growth

Cool Valley Population

Cool Valley Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Cool Valley includes 89.23% Black or African American, 7.13% White, 3.18% Asian, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
Black or African American1,17789.23%
White947.13%
Asian423.18%
Two or more races60.45%

Cool Valley Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cool Valley's average per capita income is $33,424. Household income levels show a median of $50,417. The poverty rate stands at 26.69%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$83,750-
Households$50,417$63,711
Families$49,010$65,216
Non Families$38,125$52,846

$33,424

Average Income

$50,417

Median Household Income

26.69%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)