| | Stinson Beach, CA | Bolinas, CA | United States |
| Population | 526 | 1,181 | 329,725,481 |
| Female Population | 50.0% | 46.7% | 50.5% |
| Male Population | 50.0% | 53.3% | 49.5% |
| Median Age | 60.4 | 65.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 446 | 1,162 | 309,327,143 |
| Population - 2000 | 751 | 1,246 | 285,036,114 |
| Population - 1990 | 812 | 1,098 | 251,960,433 |
| Pop. 2000 to Now | -21.7% | -3.5% | 15.6% |
| Pop. 1990 to Now | -27.6% | 9.5% | 30.8% |
| space4 | | | |
| Population Density | 365.0 | 202.7 | 93.4 |
| Land Area | 1.4 | 5.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Stinson Beach, CA | Bolinas, CA | United States |
| Age 0 to 4 | 2.3% | 1.0% | 5.9% |
| Age 5 to 9 | 0.0% | 1.4% | 6.1% |
| Age 10 to 14 | 0.0% | 3.6% | 6.6% |
| Age 15 to 17 | 6.8% | 0.0% | 3.9% |
| Age 18 to 20 | 0.0% | 0.0% | 4.0% |
| Age 21 to 24 | 0.0% | 0.0% | 5.2% |
| Age 25 to 34 | 1.3% | 11.0% | 13.8% |
| Age 35 to 44 | 3.0% | 13.6% | 12.9% |
| Age 45 to 54 | 30.2% | 6.5% | 12.6% |
| Age 55 to 59 | 5.1% | 7.5% | 6.7% |
| Age 60 to 64 | 8.4% | 4.8% | 6.3% |
| Age 65 to 74 | 27.2% | 34.0% | 9.6% |
| Age 75 to 84 | 15.6% | 15.2% | 4.5% |
| Age 85 and over | 0.0% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Stinson Beach, CA | Bolinas, CA | United States |
| White | 93.5% | 89.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 1.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 8.0% | 3.2% |
| Hispanic | 6.5% | 2.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Stinson Beach, CA | Bolinas, CA | United States |
| Married Population | 43.8% | 40.1% | 49.8% |
| Currently Married | 40.3% | 39.2% | 48.0% |
| Married but Separated | 3.5% | 0.8% | 1.8% |
| Single Population | 56.2% | 59.9% | 50.2% |
| Never Married | 35.2% | 34.9% | 33.8% |
| Divorced | 15.2% | 23.2% | 10.8% |
| Widowed | 5.8% | 1.8% | 5.6% |
| space5 | | | |
| Household Size | 1.88 | 2.12 | 2.60 |
| Households | 280 | 551 | 124,010,992 |
| Family Households | 103 | 237 | 80,755,759 |
| Married couple, w/children | 42.7% | 0.0% | 30.5% |
| Married couple, no children | 57.3% | 68.4% | 42.9% |
| Non Family Households | 177 | 314 | 43,255,233 |
| Single householder, w/children | 0.0% | 21.9% | 15.8% |
| Single householder, no children | 0.0% | 9.7% | 10.8% |