| Population | 12 (2010), see rank |
| House Units | 4, see rank |
| Race | Whites:91.7%, Hispanics:25%, Blacks:0%, Asians:0%, Others:8.3% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Illinois |
| Area: | St. Louis, MO-IL |
| County: | Monroe County |
| City: | Waterloo |
| Census Tract: | 600401 |
| Census Block Group: | 600401-3 |