| Population | 503 (2010), see rank |
| House Units | 170, see rank |
| Race | Whites:88.5%, Hispanics:6.2%, Blacks:0%, Asians:8.7%, Others:2.8% |
| Total Area: | 0.18 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: | 010202-3 |