| Official Name: | Prairie du Rocher Precinct |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Randolph |
| Area Total Km2: | 90.17 |
| Area Land Km2: | 84.92 |
| Area Water Km2: | 5.26 |
| Area Water Percent: | 5.8 |
| Population As Of: | 2010 |
| Population Total: | 974 |
| Population Density Km2: | auto |
| Elevation Ft: | 384 |
| Coordinates: | 38.0814°N -90.0992°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1928603[1] |
Prairie du Rocher Precinct is located in Randolph County, Illinois, USA. As of the 2010 census, its population was 974.[2]
Prairie du Rocher Precinct covers an area of 90.17km2.