| | Hillsboro, OR | Jacksonville, NC | United States |
| Population | 105,909 | 73,224 | 329,725,481 |
| Female Population | 50.0% | 38.5% | 50.5% |
| Male Population | 50.0% | 61.5% | 49.5% |
| Median Age | 34.1 | 23.2 | 38.4 |
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| Population - 2010 | 92,297 | 78,056 | 309,327,143 |
| Population - 2000 | 70,186 | 66,715 | 285,036,114 |
| Population - 1990 | 37,520 | 30,013 | 251,960,433 |
| Pop. 2000 to Now | 58.1% | 14.3% | 15.6% |
| Pop. 1990 to Now | 195.8% | 154.2% | 30.8% |
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| Population Density | 4,123.2 | 1,508.1 | 93.4 |
| Land Area | 25.7 | 48.6 | 3,531,905.4 |
| Water Area | 0.0 | 7.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hillsboro, OR | Jacksonville, NC | United States |
| Age 0 to 4 | 6.4% | 8.1% | 5.9% |
| Age 5 to 9 | 6.4% | 5.5% | 6.1% |
| Age 10 to 14 | 6.6% | 4.6% | 6.6% |
| Age 15 to 17 | 3.3% | 2.3% | 3.9% |
| Age 18 to 20 | 3.5% | 15.3% | 4.0% |
| Age 21 to 24 | 5.2% | 22.4% | 5.2% |
| Age 25 to 34 | 20.4% | 17.0% | 13.8% |
| Age 35 to 44 | 16.3% | 7.8% | 12.9% |
| Age 45 to 54 | 11.8% | 5.0% | 12.6% |
| Age 55 to 59 | 5.0% | 3.0% | 6.7% |
| Age 60 to 64 | 4.5% | 2.8% | 6.3% |
| Age 65 to 74 | 6.7% | 4.1% | 9.6% |
| Age 75 to 84 | 2.5% | 1.4% | 4.5% |
| Age 85 and over | 1.5% | 0.7% | 1.9% |
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| Race | | | |
| | Hillsboro, OR | Jacksonville, NC | United States |
| White | 54.2% | 54.2% | 59.4% |
| Black | 2.9% | 17.6% | 12.2% |
| Asian | 11.8% | 3.0% | 5.6% |
| Native American | 0.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.7% | 0.1% | 0.2% |
| Other | 0.4% | 0.1% | 0.4% |
| Two or More Races | 5.7% | 5.7% | 3.2% |
| Hispanic | 23.9% | 19.1% | 18.4% |
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| Marriage & Family | | | |
| | Hillsboro, OR | Jacksonville, NC | United States |
| Married Population | 51.3% | 44.7% | 49.8% |
| Currently Married | 50.4% | 42.1% | 48.0% |
| Married but Separated | 0.9% | 2.6% | 1.8% |
| Single Population | 48.7% | 55.3% | 50.2% |
| Never Married | 34.4% | 45.2% | 33.8% |
| Divorced | 10.7% | 7.6% | 10.8% |
| Widowed | 3.6% | 2.6% | 5.6% |
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| Household Size | 2.65 | 2.50 | 2.60 |
| Households | 39,456 | 21,614 | 124,010,992 |
| Family Households | 26,099 | 15,321 | 80,755,759 |
| Married couple, w/children | 35.8% | 35.0% | 30.5% |
| Married couple, no children | 40.6% | 40.0% | 42.9% |
| Non Family Households | 13,357 | 6,293 | 43,255,233 |
| Single householder, w/children | 13.7% | 17.3% | 15.8% |
| Single householder, no children | 9.9% | 7.6% | 10.8% |