| Population | 4,854 (2010), see rank |
| House Units | 0, see rank |
| Race | Whites:39.7%, Hispanics:19.7%, Blacks:40.7%, Asians:1.1%, Others:18.6% |
| Total Area: | 0.04 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | California |
| Area: | San Francisco-Oakland-Fremont, CA |
| County: | Marin County |
| City: | San Quentin |
| Census Tract: | 122000 |
| Census Block Group: | 122000-1 |