| Population | 4 (2010), see rank |
| House Units | 3, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 0.00 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | California |
| Area: | San Francisco-Oakland-Fremont, CA |
| County: | Contra Costa County |
| City: | Bethel Island |
| Census Tract: | 301000 |
| Census Block Group: | 301000-1 |