| | Forbestown, CA | Berry Creek, CA | United States |
| Population | 272 | 1,190 | 329,725,481 |
| Female Population | 28.7% | 47.1% | 50.5% |
| Male Population | 71.3% | 52.9% | 49.5% |
| Median Age | 33.5 | 57 | 38.4 |
| space3 | | | |
| Population - 2010 | 355 | 1,209 | 309,327,143 |
| Population - 2000 | 281 | 1,229 | 285,036,114 |
| Population - 1990 | 324 | 1,202 | 251,960,433 |
| Pop. 2000 to Now | 24.6% | -9.1% | 15.6% |
| Pop. 1990 to Now | 8.0% | -7.1% | 30.8% |
| space4 | | | |
| Population Density | 43.4 | 20.8 | 93.4 |
| Land Area | 6.3 | 57.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Forbestown, CA | Berry Creek, CA | United States |
| Age 0 to 4 | 12.1% | 1.2% | 5.9% |
| Age 5 to 9 | 18.0% | 2.1% | 6.1% |
| Age 10 to 14 | 0.0% | 3.2% | 6.6% |
| Age 15 to 17 | 0.0% | 3.8% | 3.9% |
| Age 18 to 20 | 0.0% | 3.0% | 4.0% |
| Age 21 to 24 | 0.0% | 2.6% | 5.2% |
| Age 25 to 34 | 40.8% | 5.0% | 13.8% |
| Age 35 to 44 | 0.0% | 6.2% | 12.9% |
| Age 45 to 54 | 0.0% | 21.6% | 12.6% |
| Age 55 to 59 | 0.0% | 10.3% | 6.7% |
| Age 60 to 64 | 15.4% | 9.7% | 6.3% |
| Age 65 to 74 | 7.0% | 24.9% | 9.6% |
| Age 75 to 84 | 6.6% | 4.9% | 4.5% |
| Age 85 and over | 0.0% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Forbestown, CA | Berry Creek, CA | United States |
| White | 29.0% | 84.1% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 4.8% | 5.6% |
| Native American | 0.0% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 71.0% | 3.1% | 3.2% |
| Hispanic | 0.0% | 6.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Forbestown, CA | Berry Creek, CA | United States |
| Married Population | 41.6% | 54.6% | 49.8% |
| Currently Married | 41.6% | 54.1% | 48.0% |
| Married but Separated | 0.0% | 0.5% | 1.8% |
| Single Population | 58.4% | 45.4% | 50.2% |
| Never Married | 58.4% | 22.0% | 33.8% |
| Divorced | 0.0% | 17.8% | 10.8% |
| Widowed | 0.0% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.27 | 2.60 |
| Households | 112 | 525 | 124,010,992 |
| Family Households | 112 | 322 | 80,755,759 |
| Married couple, w/children | 0.0% | 7.8% | 30.5% |
| Married couple, no children | 34.8% | 67.1% | 42.9% |
| Non Family Households | 0 | 203 | 43,255,233 |
| Single householder, w/children | 65.2% | 13.7% | 15.8% |
| Single householder, no children | 0.0% | 11.5% | 10.8% |