| | Scottsville, KY | Jefferson, NC | United States |
| Population | 4,300 | 1,630 | 329,725,481 |
| Female Population | 52.5% | 54.1% | 50.5% |
| Male Population | 47.5% | 45.9% | 49.5% |
| Median Age | 36.5 | 50.1 | 38.4 |
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| Population - 2010 | 4,246 | 1,600 | 309,327,143 |
| Population - 2000 | 4,327 | 1,422 | 285,036,114 |
| Population - 1990 | 4,278 | 1,300 | 251,960,433 |
| Pop. 2000 to Now | 5.1% | 7.9% | 15.6% |
| Pop. 1990 to Now | 6.3% | 18.0% | 30.8% |
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| Population Density | 755.5 | 783.7 | 93.4 |
| Land Area | 5.7 | 2.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Scottsville, KY | Jefferson, NC | United States |
| Age 0 to 4 | 6.0% | 3.3% | 5.9% |
| Age 5 to 9 | 10.0% | 6.1% | 6.1% |
| Age 10 to 14 | 5.2% | 5.3% | 6.6% |
| Age 15 to 17 | 4.2% | 0.6% | 3.9% |
| Age 18 to 20 | 1.7% | 2.7% | 4.0% |
| Age 21 to 24 | 9.3% | 1.7% | 5.2% |
| Age 25 to 34 | 10.5% | 15.2% | 13.8% |
| Age 35 to 44 | 13.2% | 6.7% | 12.9% |
| Age 45 to 54 | 8.7% | 17.9% | 12.6% |
| Age 55 to 59 | 7.6% | 3.9% | 6.7% |
| Age 60 to 64 | 5.1% | 5.9% | 6.3% |
| Age 65 to 74 | 11.8% | 15.6% | 9.6% |
| Age 75 to 84 | 5.3% | 9.4% | 4.5% |
| Age 85 and over | 1.5% | 5.9% | 1.9% |
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| Race | | | |
| | Scottsville, KY | Jefferson, NC | United States |
| White | 91.7% | 85.3% | 59.4% |
| Black | 2.0% | 1.2% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 1.7% | 3.2% |
| Hispanic | 2.7% | 11.4% | 18.4% |
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| Marriage & Family | | | |
| | Scottsville, KY | Jefferson, NC | United States |
| Married Population | 39.5% | 46.0% | 49.8% |
| Currently Married | 38.8% | 41.8% | 48.0% |
| Married but Separated | 0.6% | 4.2% | 1.8% |
| Single Population | 60.5% | 54.0% | 50.2% |
| Never Married | 27.7% | 24.8% | 33.8% |
| Divorced | 24.6% | 17.3% | 10.8% |
| Widowed | 8.2% | 11.9% | 5.6% |
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| Household Size | 2.55 | 1.92 | 2.60 |
| Households | 1,662 | 752 | 124,010,992 |
| Family Households | 1,194 | 373 | 80,755,759 |
| Married couple, w/children | 25.5% | 6.2% | 30.5% |
| Married couple, no children | 30.2% | 56.0% | 42.9% |
| Non Family Households | 468 | 379 | 43,255,233 |
| Single householder, w/children | 29.1% | 31.9% | 15.8% |
| Single householder, no children | 15.2% | 5.9% | 10.8% |