| Population | 39 (2010), see rank |
| House Units | 74, see rank |
| Race | Whites:97.4%, Hispanics:0%, Blacks:0%, Asians:0%, Others:2.6% |
| Total Area: | 2.98 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| County: | Allamakee County |
| City: | Harpers Ferry |
| Census Tract: | 960400 |
| Census Block Group: | 960400-2 |