| | Bell Canyon, CA | Hidden Hills, CA | United States |
| Population | 1,844 | 2,182 | 329,725,481 |
| Female Population | 48.2% | 55.8% | 50.5% |
| Male Population | 51.8% | 44.2% | 49.5% |
| Median Age | 48 | 46.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,457 | 1,851 | 309,327,143 |
| Population - 2000 | 1,702 | 1,875 | 285,036,114 |
| Population - 1990 | 1,360 | 1,729 | 251,960,433 |
| Pop. 2000 to Now | 25.7% | -2.8% | 15.6% |
| Pop. 1990 to Now | 57.3% | 5.4% | 30.8% |
| space4 | | | |
| Population Density | 507.2 | 1,291.9 | 93.4 |
| Land Area | 3.6 | 1.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bell Canyon, CA | Hidden Hills, CA | United States |
| Age 0 to 4 | 2.1% | 2.5% | 5.9% |
| Age 5 to 9 | 3.5% | 13.7% | 6.1% |
| Age 10 to 14 | 10.0% | 7.8% | 6.6% |
| Age 15 to 17 | 5.5% | 5.4% | 3.9% |
| Age 18 to 20 | 8.8% | 2.5% | 4.0% |
| Age 21 to 24 | 4.9% | 2.2% | 5.2% |
| Age 25 to 34 | 1.5% | 3.3% | 13.8% |
| Age 35 to 44 | 10.6% | 11.1% | 12.9% |
| Age 45 to 54 | 16.3% | 18.1% | 12.6% |
| Age 55 to 59 | 10.5% | 8.5% | 6.7% |
| Age 60 to 64 | 7.5% | 10.0% | 6.3% |
| Age 65 to 74 | 8.0% | 10.7% | 9.6% |
| Age 75 to 84 | 6.0% | 2.8% | 4.5% |
| Age 85 and over | 4.8% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bell Canyon, CA | Hidden Hills, CA | United States |
| White | 60.0% | 88.5% | 59.4% |
| Black | 0.9% | 1.0% | 12.2% |
| Asian | 25.8% | 1.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.0% | 0.1% | 0.4% |
| Two or More Races | 4.5% | 1.2% | 3.2% |
| Hispanic | 6.8% | 7.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bell Canyon, CA | Hidden Hills, CA | United States |
| Married Population | 63.2% | 67.7% | 49.8% |
| Currently Married | 61.8% | 66.7% | 48.0% |
| Married but Separated | 1.5% | 1.0% | 1.8% |
| Single Population | 36.8% | 32.3% | 50.2% |
| Never Married | 28.0% | 23.1% | 33.8% |
| Divorced | 1.9% | 5.2% | 10.8% |
| Widowed | 6.9% | 4.1% | 5.6% |
| space5 | | | |
| Household Size | 3.33 | 3.27 | 2.60 |
| Households | 553 | 667 | 124,010,992 |
| Family Households | 497 | 599 | 80,755,759 |
| Married couple, w/children | 46.7% | 32.7% | 30.5% |
| Married couple, no children | 45.3% | 49.2% | 42.9% |
| Non Family Households | 56 | 68 | 43,255,233 |
| Single householder, w/children | 3.4% | 13.7% | 15.8% |
| Single householder, no children | 4.6% | 4.3% | 10.8% |