| Population | 485 (2010), see rank |
| House Units | 290, see rank |
| Race | Whites:94.4%, Hispanics:1.4%, Blacks:1.2%, Asians:0.6%, Others:3.7% |
| Total Area: | 0.48 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| Area: | Spencer, IA |
| County: | Clay County |
| City: | Spencer |
| Census Tract: | 080200 |
| Census Block Group: | 080200-4 |