| | Valley Springs, CA | Arnold, CA | United States |
| Population | 3,891 | 2,109 | 329,725,481 |
| Female Population | 46.3% | 49.4% | 50.5% |
| Male Population | 53.7% | 50.6% | 49.5% |
| Median Age | 36.9 | 63.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,031 | 3,439 | 309,327,143 |
| Population - 2000 | 2,560 | 4,218 | 285,036,114 |
| Population - 1990 | 1,644 | 3,788 | 251,960,433 |
| Pop. 2000 to Now | 33.6% | -31.7% | 15.6% |
| Pop. 1990 to Now | 108.0% | -23.9% | 30.8% |
| space4 | | | |
| Population Density | 394.2 | 142.6 | 93.4 |
| Land Area | 9.9 | 14.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Valley Springs, CA | Arnold, CA | United States |
| Age 0 to 4 | 4.8% | 1.8% | 5.9% |
| Age 5 to 9 | 5.8% | 2.4% | 6.1% |
| Age 10 to 14 | 5.6% | 1.8% | 6.6% |
| Age 15 to 17 | 7.6% | 0.0% | 3.9% |
| Age 18 to 20 | 4.5% | 0.6% | 4.0% |
| Age 21 to 24 | 4.4% | 1.9% | 5.2% |
| Age 25 to 34 | 14.5% | 8.3% | 13.8% |
| Age 35 to 44 | 14.2% | 8.4% | 12.9% |
| Age 45 to 54 | 8.3% | 8.5% | 12.6% |
| Age 55 to 59 | 2.8% | 8.9% | 6.7% |
| Age 60 to 64 | 6.3% | 11.2% | 6.3% |
| Age 65 to 74 | 12.9% | 31.7% | 9.6% |
| Age 75 to 84 | 8.2% | 11.1% | 4.5% |
| Age 85 and over | 0.3% | 3.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Valley Springs, CA | Arnold, CA | United States |
| White | 74.9% | 87.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.8% | 4.2% | 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 | 2.8% | 0.6% | 3.2% |
| Hispanic | 21.5% | 7.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Valley Springs, CA | Arnold, CA | United States |
| Married Population | 52.5% | 66.5% | 49.8% |
| Currently Married | 49.6% | 63.1% | 48.0% |
| Married but Separated | 2.9% | 3.5% | 1.8% |
| Single Population | 47.5% | 33.5% | 50.2% |
| Never Married | 36.5% | 13.6% | 33.8% |
| Divorced | 6.5% | 14.3% | 10.8% |
| Widowed | 4.5% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 2.96 | 2.07 | 2.60 |
| Households | 1,316 | 1,019 | 124,010,992 |
| Family Households | 940 | 653 | 80,755,759 |
| Married couple, w/children | 32.4% | 3.8% | 30.5% |
| Married couple, no children | 45.7% | 85.1% | 42.9% |
| Non Family Households | 376 | 366 | 43,255,233 |
| Single householder, w/children | 19.0% | 6.0% | 15.8% |
| Single householder, no children | 2.8% | 5.1% | 10.8% |