| Population | 265 (2010), see rank |
| House Units | 101, see rank |
| Race | Whites:98.1%, Hispanics:0.4%, Blacks:0.4%, Asians:0%, Others:1.5% |
| Total Area: | 0.49 sq mi |
| Water Area: | 0.00 sq mi (0.08%) |
| State: | Missouri |
| Area: | St. Louis, MO-IL |
| County: | Lincoln County |
| City: | Old Monroe |
| Census Tract: | 810400 |
| Census Block Group: | 810400-2 |