| | Hillsboro, KS | Jackson, TN | United States |
| Population | 2,788 | 67,753 | 329,725,481 |
| Female Population | 52.0% | 53.3% | 50.5% |
| Male Population | 48.0% | 46.7% | 49.5% |
| Median Age | 36.1 | 34.5 | 38.4 |
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| Population - 2010 | 2,998 | 66,813 | 309,327,143 |
| Population - 2000 | 2,854 | 59,643 | 285,036,114 |
| Population - 1990 | 2,704 | 48,949 | 251,960,433 |
| Pop. 2000 to Now | -3.2% | 13.0% | 15.6% |
| Pop. 1990 to Now | 2.1% | 37.7% | 30.8% |
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| Population Density | 1,141.7 | 1,162.5 | 93.4 |
| Land Area | 2.4 | 58.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hillsboro, KS | Jackson, TN | United States |
| Age 0 to 4 | 3.1% | 7.1% | 5.9% |
| Age 5 to 9 | 7.2% | 6.8% | 6.1% |
| Age 10 to 14 | 6.9% | 7.3% | 6.6% |
| Age 15 to 17 | 3.0% | 4.0% | 3.9% |
| Age 18 to 20 | 11.6% | 6.2% | 4.0% |
| Age 21 to 24 | 8.4% | 5.7% | 5.2% |
| Age 25 to 34 | 7.9% | 13.7% | 13.8% |
| Age 35 to 44 | 12.9% | 11.8% | 12.9% |
| Age 45 to 54 | 8.5% | 10.4% | 12.6% |
| Age 55 to 59 | 6.5% | 6.0% | 6.7% |
| Age 60 to 64 | 5.4% | 6.2% | 6.3% |
| Age 65 to 74 | 7.8% | 8.8% | 9.6% |
| Age 75 to 84 | 8.3% | 4.2% | 4.5% |
| Age 85 and over | 2.6% | 1.8% | 1.9% |
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| Race | | | |
| | Hillsboro, KS | Jackson, TN | United States |
| White | 90.1% | 45.5% | 59.4% |
| Black | 2.6% | 45.7% | 12.2% |
| Asian | 2.0% | 1.3% | 5.6% |
| Native American | 0.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.7% | 0.4% |
| Two or More Races | 2.2% | 2.5% | 3.2% |
| Hispanic | 2.9% | 4.3% | 18.4% |
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| Marriage & Family | | | |
| | Hillsboro, KS | Jackson, TN | United States |
| Married Population | 47.0% | 39.3% | 49.8% |
| Currently Married | 46.4% | 36.4% | 48.0% |
| Married but Separated | 0.6% | 3.0% | 1.8% |
| Single Population | 53.0% | 60.7% | 50.2% |
| Never Married | 36.4% | 40.4% | 33.8% |
| Divorced | 10.3% | 13.5% | 10.8% |
| Widowed | 6.3% | 6.8% | 5.6% |
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| Household Size | 2.34 | 2.46 | 2.60 |
| Households | 961 | 26,083 | 124,010,992 |
| Family Households | 607 | 15,351 | 80,755,759 |
| Married couple, w/children | 34.8% | 22.8% | 30.5% |
| Married couple, no children | 49.9% | 33.9% | 42.9% |
| Non Family Households | 354 | 10,732 | 43,255,233 |
| Single householder, w/children | 11.9% | 30.5% | 15.8% |
| Single householder, no children | 3.5% | 12.8% | 10.8% |