| Population | 729 (2010), see rank |
| House Units | 252, see rank |
| Race | Whites:97.8%, Hispanics:1.6%, Blacks:0.7%, Asians:0.1%, Others:1.4% |
| Total Area: | 0.19 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Missouri |
| Area: | St. Louis, MO-IL |
| County: | Jefferson County |
| City: | Barnhart |
| Census Tract: | 700603 |
| Census Block Group: | 700603-1 |