| | Hillsborough, NC | Pittsboro, NC | United States |
| Population | 9,342 | 4,433 | 329,725,481 |
| Female Population | 52.1% | 61.6% | 50.5% |
| Male Population | 47.9% | 38.4% | 49.5% |
| Median Age | 44.8 | 40.1 | 38.4 |
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| Population - 2010 | 6,606 | 3,764 | 309,327,143 |
| Population - 2000 | 5,446 | 2,226 | 285,036,114 |
| Population - 1990 | 4,263 | 1,436 | 251,960,433 |
| Pop. 2000 to Now | 32.7% | 98.5% | 15.6% |
| Pop. 1990 to Now | 69.5% | 207.7% | 30.8% |
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| Population Density | 1,669.1 | 1,001.4 | 93.4 |
| Land Area | 5.6 | 4.4 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hillsborough, NC | Pittsboro, NC | United States |
| Age 0 to 4 | 6.5% | 3.5% | 5.9% |
| Age 5 to 9 | 5.1% | 4.7% | 6.1% |
| Age 10 to 14 | 4.2% | 9.4% | 6.6% |
| Age 15 to 17 | 4.5% | 9.3% | 3.9% |
| Age 18 to 20 | 1.4% | 3.8% | 4.0% |
| Age 21 to 24 | 2.2% | 6.4% | 5.2% |
| Age 25 to 34 | 11.6% | 9.2% | 13.8% |
| Age 35 to 44 | 15.1% | 13.3% | 12.9% |
| Age 45 to 54 | 16.6% | 10.1% | 12.6% |
| Age 55 to 59 | 8.3% | 3.9% | 6.7% |
| Age 60 to 64 | 9.7% | 5.4% | 6.3% |
| Age 65 to 74 | 11.6% | 8.9% | 9.6% |
| Age 75 to 84 | 1.8% | 6.9% | 4.5% |
| Age 85 and over | 1.3% | 5.3% | 1.9% |
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| Race | | | |
| | Hillsborough, NC | Pittsboro, NC | United States |
| White | 75.9% | 72.2% | 59.4% |
| Black | 11.8% | 19.4% | 12.2% |
| Asian | 2.4% | 2.1% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 3.9% | 3.2% |
| Hispanic | 6.7% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Hillsborough, NC | Pittsboro, NC | United States |
| Married Population | 56.1% | 38.9% | 49.8% |
| Currently Married | 54.6% | 36.7% | 48.0% |
| Married but Separated | 1.5% | 2.2% | 1.8% |
| Single Population | 43.9% | 61.1% | 50.2% |
| Never Married | 27.1% | 41.4% | 33.8% |
| Divorced | 15.1% | 11.3% | 10.8% |
| Widowed | 1.8% | 8.5% | 5.6% |
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| Household Size | 2.29 | 2.48 | 2.60 |
| Households | 3,914 | 1,741 | 124,010,992 |
| Family Households | 2,446 | 1,057 | 80,755,759 |
| Married couple, w/children | 34.6% | 29.0% | 30.5% |
| Married couple, no children | 50.6% | 33.6% | 42.9% |
| Non Family Households | 1,468 | 684 | 43,255,233 |
| Single householder, w/children | 10.9% | 22.8% | 15.8% |
| Single householder, no children | 3.9% | 14.7% | 10.8% |