| | Ross, CA | Kentfield, CA | United States |
| Population | 2,405 | 7,517 | 329,725,481 |
| Female Population | 55.6% | 51.0% | 50.5% |
| Male Population | 44.5% | 49.0% | 49.5% |
| Median Age | 48 | 45.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,421 | 7,044 | 309,327,143 |
| Population - 2000 | 2,329 | 6,351 | 285,036,114 |
| Population - 1990 | 2,123 | 6,030 | 251,960,433 |
| Pop. 2000 to Now | 6.4% | 7.5% | 15.6% |
| Pop. 1990 to Now | 16.8% | 13.3% | 30.8% |
| space4 | | | |
| Population Density | 1,545.6 | 2,485.0 | 93.4 |
| Land Area | 1.6 | 3.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ross, CA | Kentfield, CA | United States |
| Age 0 to 4 | 4.3% | 5.2% | 5.9% |
| Age 5 to 9 | 10.2% | 6.3% | 6.1% |
| Age 10 to 14 | 6.4% | 10.9% | 6.6% |
| Age 15 to 17 | 5.3% | 3.9% | 3.9% |
| Age 18 to 20 | 3.2% | 3.2% | 4.0% |
| Age 21 to 24 | 3.0% | 2.4% | 5.2% |
| Age 25 to 34 | 2.5% | 5.1% | 13.8% |
| Age 35 to 44 | 11.4% | 11.7% | 12.9% |
| Age 45 to 54 | 16.1% | 17.1% | 12.6% |
| Age 55 to 59 | 6.5% | 5.2% | 6.7% |
| Age 60 to 64 | 5.6% | 7.5% | 6.3% |
| Age 65 to 74 | 14.0% | 9.9% | 9.6% |
| Age 75 to 84 | 9.6% | 7.5% | 4.5% |
| Age 85 and over | 2.0% | 4.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ross, CA | Kentfield, CA | United States |
| White | 87.8% | 82.7% | 59.4% |
| Black | 1.3% | 0.6% | 12.2% |
| Asian | 4.7% | 5.2% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.1% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 4.4% | 3.2% |
| Hispanic | 3.5% | 7.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ross, CA | Kentfield, CA | United States |
| Married Population | 60.4% | 60.3% | 49.8% |
| Currently Married | 59.3% | 59.0% | 48.0% |
| Married but Separated | 1.1% | 1.3% | 1.8% |
| Single Population | 39.6% | 39.7% | 50.2% |
| Never Married | 23.9% | 25.8% | 33.8% |
| Divorced | 10.2% | 8.7% | 10.8% |
| Widowed | 5.5% | 5.2% | 5.6% |
| space5 | | | |
| Household Size | 2.74 | 2.71 | 2.60 |
| Households | 852 | 2,761 | 124,010,992 |
| Family Households | 661 | 1,953 | 80,755,759 |
| Married couple, w/children | 41.8% | 45.8% | 30.5% |
| Married couple, no children | 38.7% | 40.7% | 42.9% |
| Non Family Households | 191 | 808 | 43,255,233 |
| Single householder, w/children | 11.0% | 5.4% | 15.8% |
| Single householder, no children | 8.5% | 8.1% | 10.8% |