| | Hampton, SC | Fairfax, SC | United States |
| Population | 2,907 | 2,142 | 329,725,481 |
| Female Population | 52.5% | 46.6% | 50.5% |
| Male Population | 47.5% | 53.4% | 49.5% |
| Median Age | 52.9 | 40.2 | 38.4 |
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| Population - 2010 | 2,800 | 2,010 | 309,327,143 |
| Population - 2000 | 2,837 | 3,206 | 285,036,114 |
| Population - 1990 | 2,997 | 2,317 | 251,960,433 |
| Pop. 2000 to Now | -12.3% | -49.4% | 15.6% |
| Pop. 1990 to Now | -17.0% | -30.0% | 30.8% |
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| Population Density | 644.1 | 646.7 | 93.4 |
| Land Area | 4.5 | 3.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hampton, SC | Fairfax, SC | United States |
| Age 0 to 4 | 2.5% | 4.8% | 5.9% |
| Age 5 to 9 | 7.7% | 2.8% | 6.1% |
| Age 10 to 14 | 1.8% | 7.0% | 6.6% |
| Age 15 to 17 | 3.1% | 1.8% | 3.9% |
| Age 18 to 20 | 3.3% | 15.7% | 4.0% |
| Age 21 to 24 | 1.3% | 4.7% | 5.2% |
| Age 25 to 34 | 9.7% | 8.4% | 13.8% |
| Age 35 to 44 | 10.6% | 12.1% | 12.9% |
| Age 45 to 54 | 12.2% | 6.1% | 12.6% |
| Age 55 to 59 | 13.7% | 9.4% | 6.7% |
| Age 60 to 64 | 9.6% | 3.2% | 6.3% |
| Age 65 to 74 | 14.6% | 17.5% | 9.6% |
| Age 75 to 84 | 6.1% | 4.7% | 4.5% |
| Age 85 and over | 3.8% | 1.9% | 1.9% |
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| Race | | | |
| | Hampton, SC | Fairfax, SC | United States |
| White | 48.5% | 9.2% | 59.4% |
| Black | 47.1% | 82.9% | 12.2% |
| Asian | 2.7% | 0.0% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 0.7% | 3.2% |
| Hispanic | 0.0% | 6.7% | 18.4% |
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| Marriage & Family | | | |
| | Hampton, SC | Fairfax, SC | United States |
| Married Population | 55.8% | 37.8% | 49.8% |
| Currently Married | 54.6% | 34.4% | 48.0% |
| Married but Separated | 1.3% | 3.4% | 1.8% |
| Single Population | 44.2% | 62.2% | 50.2% |
| Never Married | 25.9% | 45.7% | 33.8% |
| Divorced | 8.2% | 7.2% | 10.8% |
| Widowed | 10.1% | 9.3% | 5.6% |
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| Household Size | 2.32 | 2.75 | 2.60 |
| Households | 1,247 | 766 | 124,010,992 |
| Family Households | 808 | 473 | 80,755,759 |
| Married couple, w/children | 19.9% | 16.1% | 30.5% |
| Married couple, no children | 62.0% | 35.1% | 42.9% |
| Non Family Households | 439 | 293 | 43,255,233 |
| Single householder, w/children | 16.0% | 16.1% | 15.8% |
| Single householder, no children | 2.1% | 32.8% | 10.8% |