- Latitude: 38°37'20" N (+38.6222)
- Longitude: 90°26'03" W (-90.4342)
- Land area: 0.10 square miles (61.1 acres)
As the crow flies, Crystal Lake Park is...
| Year | Population | Percent change |
|---|
| 1940 | 95 | -- |
| 1950 | 167 | +75.8% |
| 1960 | 307 | +83.8% |
| 1970 | 356 | +16.0% |
| 1980 | 496 | +39.3% |
| 1990 | 506 | +2.0% |
| 2000 | 457 | -9.7% |