| Population | 313 (2010), see rank |
| House Units | 135, see rank |
| Race | Whites:91.1%, Hispanics:2.6%, Blacks:0%, Asians:2.9%, Others:6.1% |
| Total Area: | 0.31 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | California |
| Area: | San Francisco-Oakland-Fremont, CA |
| County: | Marin County |
| City: | Sleepy Hollow |
| Census Tract: | 115000 |
| Census Block Group: | 115000-1 |