| Population | 205 (2010), see rank |
| House Units | 122, see rank |
| Race | Whites:97.6%, Hispanics:0.5%, Blacks:0.5%, Asians:1.5%, Others:0.5% |
| Total Area: | 0.03 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Illinois |
| Area: | St. Louis, MO-IL |
| County: | Monroe County |
| City: | Waterloo |
| Census Tract: | 600501 |
| Census Block Group: | 600501-3 |