| Population | 12 (2010), see rank |
| House Units | 5, see rank |
| Race | Whites:91.7%, Hispanics:8.3%, Blacks:0%, Asians:0%, Others:8.3% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| Area: | Mason City, IA |
| County: | Cerro Gordo County |
| City: | Rockwell |
| Census Tract: | 951000 |
| Census Block Group: | 951000-1 |