| | Jacksonville, TX | College Station, TX | United States |
| Population | 14,029 | 116,276 | 329,725,481 |
| Female Population | 51.6% | 49.1% | 50.5% |
| Male Population | 48.5% | 50.9% | 49.5% |
| Median Age | 30.4 | 23.1 | 38.4 |
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| Population - 2010 | 14,570 | 94,692 | 309,327,143 |
| Population - 2000 | 13,868 | 67,890 | 285,036,114 |
| Population - 1990 | 12,765 | 52,456 | 251,960,433 |
| Pop. 2000 to Now | 6.9% | 75.7% | 15.6% |
| Pop. 1990 to Now | 16.2% | 127.4% | 30.8% |
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| Population Density | 988.6 | 2,277.3 | 93.4 |
| Land Area | 14.2 | 51.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Jacksonville, TX | College Station, TX | United States |
| Age 0 to 4 | 10.1% | 5.1% | 5.9% |
| Age 5 to 9 | 7.5% | 5.0% | 6.1% |
| Age 10 to 14 | 8.2% | 4.4% | 6.6% |
| Age 15 to 17 | 5.3% | 2.8% | 3.9% |
| Age 18 to 20 | 6.0% | 19.6% | 4.0% |
| Age 21 to 24 | 7.3% | 18.7% | 5.2% |
| Age 25 to 34 | 10.6% | 14.2% | 13.8% |
| Age 35 to 44 | 11.0% | 10.5% | 12.9% |
| Age 45 to 54 | 9.5% | 6.7% | 12.6% |
| Age 55 to 59 | 4.8% | 3.5% | 6.7% |
| Age 60 to 64 | 4.9% | 2.8% | 6.3% |
| Age 65 to 74 | 7.7% | 4.2% | 9.6% |
| Age 75 to 84 | 4.1% | 2.0% | 4.5% |
| Age 85 and over | 3.0% | 0.5% | 1.9% |
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| Race | | | |
| | Jacksonville, TX | College Station, TX | United States |
| White | 36.6% | 61.8% | 59.4% |
| Black | 18.8% | 7.6% | 12.2% |
| Asian | 0.2% | 9.8% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.1% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 1.8% | 2.6% | 3.2% |
| Hispanic | 42.5% | 17.7% | 18.4% |
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| Marriage & Family | | | |
| | Jacksonville, TX | College Station, TX | United States |
| Married Population | 47.6% | 32.7% | 49.8% |
| Currently Married | 46.2% | 31.9% | 48.0% |
| Married but Separated | 1.4% | 0.8% | 1.8% |
| Single Population | 52.4% | 67.3% | 50.2% |
| Never Married | 34.1% | 59.4% | 33.8% |
| Divorced | 10.8% | 5.5% | 10.8% |
| Widowed | 7.5% | 2.4% | 5.6% |
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| Household Size | 2.81 | 2.51 | 2.60 |
| Households | 4,771 | 41,592 | 124,010,992 |
| Family Households | 3,632 | 19,955 | 80,755,759 |
| Married couple, w/children | 27.8% | 37.8% | 30.5% |
| Married couple, no children | 35.4% | 35.4% | 42.9% |
| Non Family Households | 1,139 | 21,637 | 43,255,233 |
| Single householder, w/children | 25.2% | 14.7% | 15.8% |
| Single householder, no children | 11.6% | 12.1% | 10.8% |