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 2026 population of 995. Cool Valley is currently declining at a rate of -0.7% annually and its population has decreased by -3.96% since the most recent census, which recorded a population of 1,036 in 2020.

The median household income in Cool Valley is $53,560 with a poverty rate of 28.77%. The median age in Cool Valley is 27.3 years: 25.4 years for males, and 33.2 years for females. For every 100 females there are 83.0 males.

1K
Total Population
2,170
Density (mi²)
-7 -0.7%
Growth

Cool Valley Population

Cool Valley Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026995-7-0.7%
20251,002-7-0.69%
20241,009-1-0.1%
20231,010-6-0.59%
20221,016-11-1.07%
20211,027-9-0.87%
20201,036-1-0.1%
20191,132-3-0.26%
20181,135-6-0.53%
20171,141-6-0.52%
20161,147-10-0.86%
20151,157-3-0.26%
20141,160-3-0.26%
20131,163-3-0.26%
20121,166-2-0.17%
20111,168-28-2.34%
20101,16900%

Median Age

Overall: 27.3 years
Female: 33.2 years
Male: 25.4 years

Cool Valley Adults

There are 928 adults, (165 of whom are seniors) in Cool Valley.

Sex Ratio

Female: 771 (54.6%)
Male: 640 (45.4%)

Demographics

The racial composition of Cool Valley includes 89.65% Black or African American, 7.3% White, and smaller percentages for Asian, other race, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American1,26589.65%
White1037.3%
Asian251.77%
Other race120.85%
Two or more races60.43%
Race
Population ↓
Percentage (of total)
Other race120.85%
Black or African American90.64%
Race
Population ↓
Percentage (of total)
Black or African American1,25689.01%
White1037.3%
Asian251.77%
Two or more races60.43%

Cool Valley Marital Status

Economics and Income Statistics

Cool Valley 's average per capita income is $35,380. Household income levels show a median of $53,560. The poverty rate stands at 28.77%.

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$86,250-
Households$53,560$70,619
Families$45,927$67,064
Non Families$38,750$57,655

$35,380

Average Income

$53,560

Median Household Income

28.77%

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)