| Population | 320 (2010), see rank |
| House Units | 99, see rank |
| Race | Whites:89.7%, Hispanics:6.9%, Blacks:0%, Asians:6.6%, Others:3.8% |
| Total Area: | 0.22 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Connecticut |
| Area: | Bridgeport-Stamford-Norwalk, CT |
| County: | Fairfield County |
| City: | Cos Cob |
| Census Tract: | 010202 |
| Census Block Group: | 010202-2 |