| Population | 349 (2010), see rank |
| House Units | 132, see rank |
| Race | Whites:96.8%, Hispanics:0.3%, Blacks:0%, Asians:0.6%, Others:2.6% |
| Total Area: | 4.77 sq mi |
| Water Area: | 0.05 sq mi (1.02%) |
| State: | Illinois |
| Area: | St. Louis, MO-IL |
| County: | Monroe County |
| City: | Waterloo |
| Census Tract: | 600401 |
| Census Block Group: | 600401-2 |