- Latitude: 38°32'57" N (+38.5492)
- Longitude: 90°29'33" W (-90.4925)
- Elevation: 421 feet above sea level
- Land area: 3.0 square miles
- Water area: 0.16 square miles (100.0 acres)
As the crow flies, Valley Park is...
| Year | Population | Percent change |
|---|
| 1920 | 899 | -- |
| 1930 | 1,772 | +97.1% |
| 1940 | 2,091 | +18.0% |
| 1950 | 2,956 | +41.4% |
| 1960 | 3,452 | +16.8% |
| 1970 | 3,662 | +6.1% |
| 1980 | 3,232 | -11.7% |
| 1990 | 4,165 | +28.9% |
| 2000 | 6,518 | +56.5% |