| | Gilbert, SC | Huntington, NY | United States |
| Population | 580 | 204,147 | 329,725,481 |
| Female Population | 46.2% | 50.6% | 50.5% |
| Male Population | 53.8% | 49.4% | 49.5% |
| Median Age | 43.1 | 46 | 38.4 |
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| Population - 2010 | 566 | 203,198 | 309,327,143 |
| Population - 2000 | 500 | 195,289 | 285,036,114 |
| Population - 1990 | 324 | 191,474 | 251,960,433 |
| Pop. 2000 to Now | 31.4% | 2.5% | 15.6% |
| Pop. 1990 to Now | 102.8% | 4.5% | 30.8% |
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| Population Density | 214.0 | 2,169.0 | 93.4 |
| Land Area | 2.7 | 94.1 | 3,531,905.4 |
| Water Area | 0.1 | 43.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gilbert, SC | Huntington, NY | United States |
| Age 0 to 4 | 4.8% | 4.8% | 5.9% |
| Age 5 to 9 | 5.3% | 5.8% | 6.1% |
| Age 10 to 14 | 9.0% | 6.4% | 6.6% |
| Age 15 to 17 | 5.9% | 4.4% | 3.9% |
| Age 18 to 20 | 3.1% | 2.6% | 4.0% |
| Age 21 to 24 | 5.3% | 4.7% | 5.2% |
| Age 25 to 34 | 9.5% | 9.6% | 13.8% |
| Age 35 to 44 | 11.2% | 10.6% | 12.9% |
| Age 45 to 54 | 15.2% | 15.2% | 12.6% |
| Age 55 to 59 | 11.9% | 8.5% | 6.7% |
| Age 60 to 64 | 6.6% | 8.3% | 6.3% |
| Age 65 to 74 | 9.5% | 10.3% | 9.6% |
| Age 75 to 84 | 2.2% | 5.9% | 4.5% |
| Age 85 and over | 0.5% | 2.9% | 1.9% |
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| Race | | | |
| | Gilbert, SC | Huntington, NY | United States |
| White | 87.2% | 76.2% | 59.4% |
| Black | 4.0% | 3.6% | 12.2% |
| Asian | 0.0% | 5.3% | 5.6% |
| Native American | 0.5% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 2.6% | 2.2% | 3.2% |
| Hispanic | 5.7% | 11.6% | 18.4% |
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| Marriage & Family | | | |
| | Gilbert, SC | Huntington, NY | United States |
| Married Population | 55.9% | 56.4% | 49.8% |
| Currently Married | 52.9% | 55.1% | 48.0% |
| Married but Separated | 3.0% | 1.3% | 1.8% |
| Single Population | 44.1% | 43.6% | 50.2% |
| Never Married | 25.4% | 28.5% | 33.8% |
| Divorced | 8.1% | 8.5% | 10.8% |
| Widowed | 10.7% | 6.6% | 5.6% |
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| Household Size | 2.53 | 2.87 | 2.60 |
| Households | 229 | 70,252 | 124,010,992 |
| Family Households | 166 | 52,472 | 80,755,759 |
| Married couple, w/children | 27.7% | 34.2% | 30.5% |
| Married couple, no children | 45.2% | 48.8% | 42.9% |
| Non Family Households | 63 | 17,780 | 43,255,233 |
| Single householder, w/children | 23.5% | 7.7% | 15.8% |
| Single householder, no children | 3.6% | 9.3% | 10.8% |