| Population | 2 (2010), see rank |
| House Units | 1, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 1.02 sq mi |
| Water Area: | 0.01 sq mi (1.28%) |
| State: | Iowa |
| County: | Union County |
| City: | Diagonal |
| Census Tract: | 190300 |
| Census Block Group: | 190300-2 |