Cool Valley city, Missouri
Official LSAD Designation: Cool Valley city • Census GEOID: 2916228
• St. Louis County
Demographics & Population Profile
Population and demographics for Cool Valley city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,005 | — | 2025 | Census |
| Median Age | 27.3 yrs | ±7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 475 | ±127 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).