| Population | 5 (2010), see rank |
| House Units | 9, see rank |
| Race | Whites:40%, Hispanics:20%, Blacks:0%, Asians:0%, Others:60% |
| Total Area: | 0.00 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Massachusetts |
| Area: | Boston-Cambridge-Quincy, MA-NH |
| County: | Middlesex County |
| City: | Ayer |
| Census Tract: | 325100 |
| Census Block Group: | 325100-3 |