| Population | 32 (2010), see rank |
| House Units | 12, see rank |
| Race | Whites:93.8%, Hispanics:3.1%, Blacks:0%, Asians:6.2%, Others:0% |
| Total Area: | 0.88 sq mi |
| Water Area: | 0.00 sq mi (0.56%) |
| State: | Iowa |
| County: | Hardin County |
| City: | Union |
| Census Tract: | 480500 |
| Census Block Group: | 480500-4 |