| | Newport News, VA | Sunnyvale, CA | United States |
| Population | 185,069 | 155,550 | 329,725,481 |
| Female Population | 51.5% | 47.8% | 50.5% |
| Male Population | 48.5% | 52.2% | 49.5% |
| Median Age | 33.9 | 35.2 | 38.4 |
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| Population - 2010 | 180,905 | 140,786 | 309,327,143 |
| Population - 2000 | 180,150 | 131,760 | 285,036,114 |
| Population - 1990 | 170,045 | 117,229 | 251,960,433 |
| Pop. 2000 to Now | -0.6% | 15.2% | 15.6% |
| Pop. 1990 to Now | 5.3% | 29.4% | 30.8% |
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| Population Density | 2,677.5 | 7,073.0 | 93.4 |
| Land Area | 69.1 | 22.0 | 3,531,905.4 |
| Water Area | 50.6 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Newport News, VA | Sunnyvale, CA | United States |
| Age 0 to 4 | 7.2% | 7.0% | 5.9% |
| Age 5 to 9 | 6.7% | 5.9% | 6.1% |
| Age 10 to 14 | 6.0% | 5.4% | 6.6% |
| Age 15 to 17 | 3.5% | 2.7% | 3.9% |
| Age 18 to 20 | 5.6% | 1.7% | 4.0% |
| Age 21 to 24 | 6.1% | 4.1% | 5.2% |
| Age 25 to 34 | 16.7% | 23.1% | 13.8% |
| Age 35 to 44 | 12.5% | 15.9% | 12.9% |
| Age 45 to 54 | 10.8% | 11.9% | 12.6% |
| Age 55 to 59 | 6.2% | 5.9% | 6.7% |
| Age 60 to 64 | 5.8% | 4.8% | 6.3% |
| Age 65 to 74 | 7.7% | 6.5% | 9.6% |
| Age 75 to 84 | 3.9% | 3.4% | 4.5% |
| Age 85 and over | 1.4% | 2.0% | 1.9% |
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| Race | | | |
| | Newport News, VA | Sunnyvale, CA | United States |
| White | 41.4% | 28.9% | 59.4% |
| Black | 40.2% | 1.3% | 12.2% |
| Asian | 3.4% | 47.8% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.1% | 0.2% |
| Other | 0.8% | 0.4% | 0.4% |
| Two or More Races | 4.4% | 4.5% | 3.2% |
| Hispanic | 9.6% | 16.8% | 18.4% |
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| Marriage & Family | | | |
| | Newport News, VA | Sunnyvale, CA | United States |
| Married Population | 44.4% | 57.1% | 49.8% |
| Currently Married | 40.9% | 56.0% | 48.0% |
| Married but Separated | 3.4% | 1.1% | 1.8% |
| Single Population | 55.6% | 42.9% | 50.2% |
| Never Married | 39.0% | 33.1% | 33.8% |
| Divorced | 11.4% | 6.1% | 10.8% |
| Widowed | 5.2% | 3.7% | 5.6% |
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| Household Size | 2.36 | 2.69 | 2.60 |
| Households | 74,922 | 57,565 | 124,010,992 |
| Family Households | 44,073 | 37,930 | 80,755,759 |
| Married couple, w/children | 24.0% | 41.3% | 30.5% |
| Married couple, no children | 37.7% | 41.3% | 42.9% |
| Non Family Households | 30,849 | 19,635 | 43,255,233 |
| Single householder, w/children | 25.8% | 8.0% | 15.8% |
| Single householder, no children | 12.4% | 9.4% | 10.8% |