| | Poquoson, VA | Clifton Park, NY | United States |
| Population | 12,382 | 38,094 | 329,725,481 |
| Female Population | 49.9% | 50.4% | 50.5% |
| Male Population | 50.2% | 49.6% | 49.5% |
| Median Age | 43 | 43.4 | 38.4 |
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| Population - 2010 | 12,148 | 36,803 | 309,327,143 |
| Population - 2000 | 11,566 | 32,995 | 285,036,114 |
| Population - 1990 | 11,005 | 30,117 | 251,960,433 |
| Pop. 2000 to Now | 6.0% | 9.8% | 15.6% |
| Pop. 1990 to Now | 11.4% | 20.3% | 30.8% |
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| Population Density | 805.0 | 790.3 | 93.4 |
| Land Area | 15.4 | 48.2 | 3,531,905.4 |
| Water Area | 63.1 | 2.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Poquoson, VA | Clifton Park, NY | United States |
| Age 0 to 4 | 4.5% | 5.1% | 5.9% |
| Age 5 to 9 | 5.4% | 6.3% | 6.1% |
| Age 10 to 14 | 7.3% | 6.6% | 6.6% |
| Age 15 to 17 | 4.6% | 5.8% | 3.9% |
| Age 18 to 20 | 2.6% | 2.9% | 4.0% |
| Age 21 to 24 | 5.0% | 3.7% | 5.2% |
| Age 25 to 34 | 9.9% | 11.0% | 13.8% |
| Age 35 to 44 | 13.2% | 10.8% | 12.9% |
| Age 45 to 54 | 13.9% | 15.0% | 12.6% |
| Age 55 to 59 | 7.0% | 7.3% | 6.7% |
| Age 60 to 64 | 7.2% | 7.4% | 6.3% |
| Age 65 to 74 | 10.7% | 10.7% | 9.6% |
| Age 75 to 84 | 6.6% | 5.3% | 4.5% |
| Age 85 and over | 2.1% | 2.1% | 1.9% |
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| Race | | | |
| | Poquoson, VA | Clifton Park, NY | United States |
| White | 90.4% | 82.7% | 59.4% |
| Black | 1.5% | 2.4% | 12.2% |
| Asian | 1.8% | 7.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 3.1% | 3.8% | 3.2% |
| Hispanic | 3.2% | 3.5% | 18.4% |
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| Marriage & Family | | | |
| | Poquoson, VA | Clifton Park, NY | United States |
| Married Population | 68.7% | 60.8% | 49.8% |
| Currently Married | 66.8% | 59.0% | 48.0% |
| Married but Separated | 2.0% | 1.8% | 1.8% |
| Single Population | 31.3% | 39.2% | 50.2% |
| Never Married | 19.0% | 24.5% | 33.8% |
| Divorced | 7.5% | 9.5% | 10.8% |
| Widowed | 4.8% | 5.2% | 5.6% |
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| Household Size | 2.67 | 2.53 | 2.60 |
| Households | 4,617 | 14,971 | 124,010,992 |
| Family Households | 3,759 | 10,541 | 80,755,759 |
| Married couple, w/children | 39.6% | 38.5% | 30.5% |
| Married couple, no children | 48.4% | 45.8% | 42.9% |
| Non Family Households | 858 | 4,430 | 43,255,233 |
| Single householder, w/children | 6.5% | 8.4% | 15.8% |
| Single householder, no children | 5.5% | 7.3% | 10.8% |