- Located along the Ohio River at the south end of IL 1
- Latitude: 37°28'09" N (+37.4692)
- Longitude: 88°09'55" W (-88.1653)
- Elevation: 370 feet above sea level
- Public Land Survey: T. 12 S., R. 9 E.
- Precinct: Cave-In-Rock
- Land area: 0.40 square miles (253.2 acres)
- Water area: 0.03 square miles (18.4 acres)
As the crow flies, Cave-in-Rock is...
| Year | Population | Percent change |
|---|
| 1990 | 381 | -- |
| 2000 | 346 | -9.2% |