| Population | 40 (2010), see rank |
| House Units | 38, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 2.88 sq mi |
| Water Area: | 0.01 sq mi (0.19%) |
| State: | Illinois |
| Area: | St. Louis, MO-IL |
| County: | Monroe County |
| City: | Prairie Du Rocher |
| Census Tract: | 600502 |
| Census Block Group: | 600502-2 |