| Population | 13 (2010), see rank |
| House Units | 4, see rank |
| Race | Whites:92.3%, Hispanics:38.5%, Blacks:0%, Asians:0%, Others:7.7% |
| Total Area: | 2.97 sq mi |
| Water Area: | 0.01 sq mi (0.21%) |
| State: | Iowa |
| Area: | Marshalltown, IA |
| County: | Marshall County |
| City: | Union |
| Census Tract: | 950200 |
| Census Block Group: | 950200-2 |