| Population | 6 (2010), see rank |
| House Units | 4, see rank |
| Race | Whites:83.3%, Hispanics:16.7%, Blacks:0%, Asians:0%, Others:16.7% |
| Total Area: | 0.00 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| County: | Hardin County |
| City: | Union |
| Census Tract: | 480500 |
| Census Block Group: | 480500-4 |