- Latitude: 38°43'40" N (+38.7278)
- Longitude: 90°18'36" W (-90.3100)
- Land area: 0.48 square miles (308.3 acres)
As the crow flies, Cool Valley is...
| Year | Population | Percent change |
|---|
| 1960 | 1,492 | -- |
| 1970 | 2,059 | +38.0% |
| 1980 | 2,084 | +1.2% |
| 1990 | 1,407 | -32.5% |
| 2000 | 1,081 | -23.2% |