| | Batavia, NY | Hampton, VA | United States |
| Population | 15,497 | 136,748 | 329,725,481 |
| Female Population | 48.2% | 51.7% | 50.5% |
| Male Population | 51.8% | 48.3% | 49.5% |
| Median Age | 40.6 | 36.3 | 38.4 |
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| Population - 2010 | 15,328 | 137,418 | 309,327,143 |
| Population - 2000 | 16,256 | 146,437 | 285,036,114 |
| Population - 1990 | 16,310 | 133,793 | 251,960,433 |
| Pop. 2000 to Now | -12.0% | -7.5% | 15.6% |
| Pop. 1990 to Now | -12.3% | 1.3% | 30.8% |
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| Population Density | 2,983.1 | 2,660.2 | 93.4 |
| Land Area | 5.2 | 51.4 | 3,531,905.4 |
| Water Area | 0.1 | 84.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Batavia, NY | Hampton, VA | United States |
| Age 0 to 4 | 5.1% | 6.1% | 5.9% |
| Age 5 to 9 | 5.4% | 5.0% | 6.1% |
| Age 10 to 14 | 4.7% | 6.8% | 6.6% |
| Age 15 to 17 | 3.7% | 3.5% | 3.9% |
| Age 18 to 20 | 2.6% | 4.9% | 4.0% |
| Age 21 to 24 | 6.0% | 6.7% | 5.2% |
| Age 25 to 34 | 16.6% | 15.5% | 13.8% |
| Age 35 to 44 | 10.8% | 11.7% | 12.9% |
| Age 45 to 54 | 12.6% | 10.9% | 12.6% |
| Age 55 to 59 | 6.6% | 7.1% | 6.7% |
| Age 60 to 64 | 7.6% | 6.6% | 6.3% |
| Age 65 to 74 | 9.5% | 9.1% | 9.6% |
| Age 75 to 84 | 5.4% | 4.4% | 4.5% |
| Age 85 and over | 3.3% | 1.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Batavia, NY | Hampton, VA | United States |
| White | 81.4% | 36.9% | 59.4% |
| Black | 5.3% | 48.4% | 12.2% |
| Asian | 1.2% | 2.2% | 5.6% |
| Native American | 0.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.4% | 0.8% | 0.4% |
| Two or More Races | 5.4% | 5.0% | 3.2% |
| Hispanic | 6.3% | 6.3% | 18.4% |
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| Marriage & Family | | | |
| | Batavia, NY | Hampton, VA | United States |
| Married Population | 38.6% | 44.3% | 49.8% |
| Currently Married | 36.6% | 41.5% | 48.0% |
| Married but Separated | 2.1% | 2.8% | 1.8% |
| Single Population | 61.4% | 55.7% | 50.2% |
| Never Married | 39.5% | 37.3% | 33.8% |
| Divorced | 15.2% | 11.8% | 10.8% |
| Widowed | 6.7% | 6.6% | 5.6% |
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| Household Size | 2.10 | 2.32 | 2.60 |
| Households | 7,091 | 57,116 | 124,010,992 |
| Family Households | 3,386 | 34,519 | 80,755,759 |
| Married couple, w/children | 21.5% | 23.1% | 30.5% |
| Married couple, no children | 46.1% | 39.0% | 42.9% |
| Non Family Households | 3,705 | 22,597 | 43,255,233 |
| Single householder, w/children | 19.8% | 24.9% | 15.8% |
| Single householder, no children | 12.6% | 13.1% | 10.8% |