| Population | 78 (2010), see rank |
| House Units | 40, see rank |
| Race | Whites:92.3%, Hispanics:10.3%, Blacks:1.3%, Asians:0%, Others:6.4% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Wisconsin |
| Area: | Madison, WI |
| County: | Iowa County |
| City: | Arena |
| Census Tract: | 950100 |
| Census Block Group: | 950100-1 |