| | Hampton, VA | Moreno Valley, CA | United States |
| Population | 136,748 | 208,371 | 329,725,481 |
| Female Population | 51.7% | 50.6% | 50.5% |
| Male Population | 48.3% | 49.4% | 49.5% |
| Median Age | 36.3 | 31.5 | 38.4 |
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| Population - 2010 | 137,418 | 194,168 | 309,327,143 |
| Population - 2000 | 146,437 | 142,381 | 285,036,114 |
| Population - 1990 | 133,793 | 118,779 | 251,960,433 |
| Pop. 2000 to Now | -7.5% | 49.1% | 15.6% |
| Pop. 1990 to Now | 1.3% | 78.8% | 30.8% |
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| Population Density | 2,660.2 | 4,063.8 | 93.4 |
| Land Area | 51.4 | 51.3 | 3,531,905.4 |
| Water Area | 84.8 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hampton, VA | Moreno Valley, CA | United States |
| Age 0 to 4 | 6.1% | 6.7% | 5.9% |
| Age 5 to 9 | 5.0% | 7.7% | 6.1% |
| Age 10 to 14 | 6.8% | 8.9% | 6.6% |
| Age 15 to 17 | 3.5% | 4.7% | 3.9% |
| Age 18 to 20 | 4.9% | 4.6% | 4.0% |
| Age 21 to 24 | 6.7% | 6.5% | 5.2% |
| Age 25 to 34 | 15.5% | 16.3% | 13.8% |
| Age 35 to 44 | 11.7% | 13.3% | 12.9% |
| Age 45 to 54 | 10.9% | 12.0% | 12.6% |
| Age 55 to 59 | 7.1% | 5.6% | 6.7% |
| Age 60 to 64 | 6.6% | 4.5% | 6.3% |
| Age 65 to 74 | 9.1% | 6.3% | 9.6% |
| Age 75 to 84 | 4.4% | 2.4% | 4.5% |
| Age 85 and over | 1.7% | 0.6% | 1.9% |
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| Race | | | |
| | Hampton, VA | Moreno Valley, CA | United States |
| White | 36.9% | 13.7% | 59.4% |
| Black | 48.4% | 17.4% | 12.2% |
| Asian | 2.2% | 5.2% | 5.6% |
| Native American | 0.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.3% | 0.2% |
| Other | 0.8% | 0.3% | 0.4% |
| Two or More Races | 5.0% | 2.5% | 3.2% |
| Hispanic | 6.3% | 60.4% | 18.4% |
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| Marriage & Family | | | |
| | Hampton, VA | Moreno Valley, CA | United States |
| Married Population | 44.3% | 46.5% | 49.8% |
| Currently Married | 41.5% | 44.3% | 48.0% |
| Married but Separated | 2.8% | 2.2% | 1.8% |
| Single Population | 55.7% | 53.5% | 50.2% |
| Never Married | 37.3% | 42.1% | 33.8% |
| Divorced | 11.8% | 8.1% | 10.8% |
| Widowed | 6.6% | 3.3% | 5.6% |
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| Household Size | 2.32 | 3.91 | 2.60 |
| Households | 57,116 | 53,135 | 124,010,992 |
| Family Households | 34,519 | 44,528 | 80,755,759 |
| Married couple, w/children | 23.1% | 36.4% | 30.5% |
| Married couple, no children | 39.0% | 28.7% | 42.9% |
| Non Family Households | 22,597 | 8,607 | 43,255,233 |
| Single householder, w/children | 24.9% | 21.2% | 15.8% |
| Single householder, no children | 13.1% | 13.7% | 10.8% |