| | Northlake, SC | Wade Hampton, SC | United States |
| Population | 3,840 | 20,879 | 329,725,481 |
| Female Population | 51.7% | 52.7% | 50.5% |
| Male Population | 48.3% | 47.4% | 49.5% |
| Median Age | 45.6 | 41.2 | 38.4 |
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| Population - 2010 | 3,600 | 20,311 | 309,327,143 |
| Population - 2000 | 3,659 | 20,458 | 285,036,114 |
| Population - 1990 | 3,162 | 20,494 | 251,960,433 |
| Pop. 2000 to Now | 22.5% | 7.1% | 15.6% |
| Pop. 1990 to Now | 41.8% | 6.9% | 30.8% |
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| Population Density | 937.3 | 2,339.4 | 93.4 |
| Land Area | 4.1 | 8.9 | 3,531,905.4 |
| Water Area | 1.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Northlake, SC | Wade Hampton, SC | United States |
| Age 0 to 4 | 3.8% | 5.7% | 5.9% |
| Age 5 to 9 | 9.6% | 5.0% | 6.1% |
| Age 10 to 14 | 5.3% | 6.4% | 6.6% |
| Age 15 to 17 | 2.7% | 5.0% | 3.9% |
| Age 18 to 20 | 2.8% | 3.3% | 4.0% |
| Age 21 to 24 | 2.3% | 3.6% | 5.2% |
| Age 25 to 34 | 8.4% | 12.4% | 13.8% |
| Age 35 to 44 | 14.3% | 15.1% | 12.9% |
| Age 45 to 54 | 12.2% | 11.7% | 12.6% |
| Age 55 to 59 | 6.9% | 6.3% | 6.7% |
| Age 60 to 64 | 7.4% | 6.1% | 6.3% |
| Age 65 to 74 | 15.7% | 11.0% | 9.6% |
| Age 75 to 84 | 6.9% | 5.6% | 4.5% |
| Age 85 and over | 1.6% | 2.9% | 1.9% |
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| Race | | | |
| | Northlake, SC | Wade Hampton, SC | United States |
| White | 78.7% | 76.3% | 59.4% |
| Black | 10.3% | 7.9% | 12.2% |
| Asian | 6.7% | 3.4% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 1.2% | 0.2% | 0.4% |
| Two or More Races | 1.2% | 2.6% | 3.2% |
| Hispanic | 1.7% | 9.2% | 18.4% |
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| Marriage & Family | | | |
| | Northlake, SC | Wade Hampton, SC | United States |
| Married Population | 67.4% | 52.8% | 49.8% |
| Currently Married | 66.0% | 51.0% | 48.0% |
| Married but Separated | 1.4% | 1.7% | 1.8% |
| Single Population | 32.6% | 47.2% | 50.2% |
| Never Married | 17.0% | 27.5% | 33.8% |
| Divorced | 9.8% | 13.2% | 10.8% |
| Widowed | 5.9% | 6.6% | 5.6% |
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| Household Size | 2.49 | 2.33 | 2.60 |
| Households | 1,544 | 8,936 | 124,010,992 |
| Family Households | 1,034 | 5,583 | 80,755,759 |
| Married couple, w/children | 29.6% | 32.7% | 30.5% |
| Married couple, no children | 65.3% | 42.6% | 42.9% |
| Non Family Households | 510 | 3,353 | 43,255,233 |
| Single householder, w/children | 3.6% | 13.4% | 15.8% |
| Single householder, no children | 1.5% | 11.3% | 10.8% |