Cool Valley is a city in Normandy Township, St. Louis County, Missouri, United States in Greater St. Louis. The population was 1,039 at the 2020 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP codeSign in to add

Area code314

Living in Cool Valley

Housing in Cool Valley

$105K▲ 1.7% in a year Typical home value · Zillow

The typical Cool Valley home is worth about $105,000, up 1.7% in a year, 61% below the Missouri typical home.

Only 2 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Cool Valley

Full picture →

Most working residents leave Cool Valley for work: only 0% work in town. The top destinations are St. Louis (23%), Maryland Heights (8%) and Creve Coeur (4%). Half commute less than 8 miles.

St. Louis

23%

Maryland Heights

Creve Coeur

Bridgeton

0%Work in townlive and work in Cool Valley 8 miWhere do people commute?the commute map 179Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Cool Valley →

Health in Cool Valley

D⁻

Health Grade D−

Healthier than 1% of U.S. towns on seven CDC estimates.

Compared with Missouri

4better than MO·23worse

of 32 measures CDC estimates. The other 5 are too close to call.

Conditions 1▲ 9▼ 2 close Habits 1▲ 3▼ 0 close Care 2▲ 2▼ 3 close Mind 5▼ 0 close Everyday needs 4▼ 0 close

BetterToo close to callWorse

What stands out

5.8%Fewer adults who have had cancerMO 8.6% · better 11.1%Fewer binge drinkersMO 16.3% · better 24.4%More adults facing a utility shut-offMO 9% · worse

Care nearby

Christian Hospital NortheastSaint Louis · 4.9 mi · ER

People's Healthcare ServicesSaint Louis · 1.5 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Cool Valley · CMS · HRSAHealth in Cool Valley →

Natural hazards in Cool Valley

High

Expected storm and flood damage is higher than in 76% of U.S. communities.

🌊 Inland flooding🌡️ Heat waves🏚️ Earthquakes

11Does Cool Valley flood?paid flood claims since 1979 1Disasters that paid out herefederal disaster sent FEMA money to Cool Valley MapCool Valley vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Cool Valley →

Climate in Cool Valley

Full climate →

Cool Valley has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 17 inches of snow falls in a normal winter.

43° / 26°Winter

66° / 46°Spring

87° / 67°Summer

68° / 48°Fall

How much snow does Cool Valley get?About 17 inches a winter.Rain & snow →When is the first frost?Around Nov 4, with the last in spring around Apr 2.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Cool Valley →

Schools in Cool Valley

All Cool Valley schools →

School Grade D

The public schools Cool Valley’s kids attend, from kindergarten through graduation, trail 86% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictFERGUSON-FLORISSANT R-IISchools1

The Innovation School at CV DHigh · Grades 9–12 · 143 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.