| Population | 21 (2010), see rank |
| House Units | 7, see rank |
| Race | Whites:95.2%, Hispanics:0%, Blacks:0%, Asians:0%, Others:4.8% |
| Total Area: | 0.06 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Ohio |
| Area: | Cincinnati-Middletown, OH-KY-IN |
| County: | Brown County |
| City: | Saint Martin |
| Census Tract: | 951201 |
| Census Block Group: | 951201-2 |