- Location: St. Louis County, Missouri
- Legal status: Village
- Population: 883 (Change since 1990: -2.3%)
- Alternate name: Grantwood Village
- Latitude: 38°33'01" N (+38.5503)
- Longitude: 90°21'16" W (-90.3544)
- Elevation: 605 feet above sea level
- Land area: 0.84 square miles (536.1 acres)
As the crow flies, Grantwood is...
| Year | Population | Percent change |
|---|
| 1940 | 86 | -- |
| 1950 | 133 | +54.7% |
| 1960 | 676 | +408.3% |
| 1970 | 994 | +47.0% |
| 1980 | 1,002 | +0.8% |
| 1990 | 904 | -9.8% |
| 2000 | 883 | -2.3% |