| Population | 4 (2010), see rank |
| House Units | 4, see rank |
| Race | Whites:25%, Hispanics:0%, Blacks:25%, Asians:0%, Others:50% |
| Total Area: | 0.39 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| County: | Fayette County |
| City: | Castalia |
| Census Tract: | 080600 |
| Census Block Group: | 080600-2 |