| | Clarksburg, CA | Angels, CA | United States |
| Population | 379 | 3,691 | 329,725,481 |
| Female Population | 53.8% | 54.5% | 50.5% |
| Male Population | 46.2% | 45.5% | 49.5% |
| Median Age | 48.8 | 57.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 226 | 3,794 | 309,327,143 |
| Population - 2000 | 392 | 3,051 | 285,036,114 |
| Population - 1990 | 484 | 2,409 | 251,960,433 |
| Pop. 2000 to Now | 35.2% | 29.9% | 15.6% |
| Pop. 1990 to Now | 9.5% | 64.5% | 30.8% |
| space4 | | | |
| Population Density | 186.8 | 1,017.4 | 93.4 |
| Land Area | 2.0 | 3.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Clarksburg, CA | Angels, CA | United States |
| Age 0 to 4 | 0.0% | 4.3% | 5.9% |
| Age 5 to 9 | 19.0% | 5.0% | 6.1% |
| Age 10 to 14 | 0.0% | 4.4% | 6.6% |
| Age 15 to 17 | 0.0% | 4.3% | 3.9% |
| Age 18 to 20 | 11.6% | 1.4% | 4.0% |
| Age 21 to 24 | 0.0% | 4.2% | 5.2% |
| Age 25 to 34 | 0.0% | 4.6% | 13.8% |
| Age 35 to 44 | 10.6% | 8.6% | 12.9% |
| Age 45 to 54 | 16.9% | 10.7% | 12.6% |
| Age 55 to 59 | 6.1% | 7.3% | 6.7% |
| Age 60 to 64 | 19.5% | 10.5% | 6.3% |
| Age 65 to 74 | 12.4% | 21.6% | 9.6% |
| Age 75 to 84 | 1.8% | 9.6% | 4.5% |
| Age 85 and over | 2.1% | 3.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Clarksburg, CA | Angels, CA | United States |
| White | 96.0% | 80.7% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.0% | 2.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 7.7% | 3.2% |
| Hispanic | 4.0% | 9.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Clarksburg, CA | Angels, CA | United States |
| Married Population | 71.7% | 60.8% | 49.8% |
| Currently Married | 71.7% | 59.1% | 48.0% |
| Married but Separated | 0.0% | 1.6% | 1.8% |
| Single Population | 28.3% | 39.2% | 50.2% |
| Never Married | 14.3% | 20.9% | 33.8% |
| Divorced | 14.0% | 13.8% | 10.8% |
| Widowed | 0.0% | 4.6% | 5.6% |
| space5 | | | |
| Household Size | 2.46 | 2.31 | 2.60 |
| Households | 154 | 1,596 | 124,010,992 |
| Family Households | 134 | 1,122 | 80,755,759 |
| Married couple, w/children | 32.8% | 15.4% | 30.5% |
| Married couple, no children | 50.0% | 69.7% | 42.9% |
| Non Family Households | 20 | 474 | 43,255,233 |
| Single householder, w/children | 0.0% | 8.2% | 15.8% |
| Single householder, no children | 17.2% | 6.7% | 10.8% |