| Population | 30 (2010), see rank |
| House Units | 12, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 0.02 sq mi |
| Water Area: | 0.00 sq mi (11.27%) |
| State: | Illinois |
| Area: | St. Louis, MO-IL |
| County: | Madison County |
| City: | Grantfork |
| Census Tract: | 403702 |
| Census Block Group: | 403702-1 |