| | Hewitt, TX | Jacksonville, AL | United States |
| Population | 15,707 | 13,076 | 329,725,481 |
| Female Population | 52.7% | 52.3% | 50.5% |
| Male Population | 47.3% | 47.7% | 49.5% |
| Median Age | 36.4 | 30.8 | 38.4 |
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| Population - 2010 | 13,612 | 13,209 | 309,327,143 |
| Population - 2000 | 11,085 | 8,404 | 285,036,114 |
| Population - 1990 | 8,983 | 10,283 | 251,960,433 |
| Pop. 2000 to Now | 36.3% | 54.4% | 15.6% |
| Pop. 1990 to Now | 68.2% | 26.2% | 30.8% |
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| Population Density | 2,249.0 | 1,193.9 | 93.4 |
| Land Area | 7.0 | 11.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hewitt, TX | Jacksonville, AL | United States |
| Age 0 to 4 | 5.1% | 5.1% | 5.9% |
| Age 5 to 9 | 6.4% | 4.0% | 6.1% |
| Age 10 to 14 | 7.7% | 3.8% | 6.6% |
| Age 15 to 17 | 4.4% | 1.8% | 3.9% |
| Age 18 to 20 | 3.2% | 15.4% | 4.0% |
| Age 21 to 24 | 6.5% | 11.0% | 5.2% |
| Age 25 to 34 | 13.8% | 14.4% | 13.8% |
| Age 35 to 44 | 13.2% | 10.5% | 12.9% |
| Age 45 to 54 | 15.3% | 6.9% | 12.6% |
| Age 55 to 59 | 4.5% | 5.8% | 6.7% |
| Age 60 to 64 | 5.1% | 8.5% | 6.3% |
| Age 65 to 74 | 8.5% | 6.8% | 9.6% |
| Age 75 to 84 | 4.8% | 5.1% | 4.5% |
| Age 85 and over | 1.5% | 1.1% | 1.9% |
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| Race | | | |
| | Hewitt, TX | Jacksonville, AL | United States |
| White | 68.7% | 71.8% | 59.4% |
| Black | 5.7% | 19.3% | 12.2% |
| Asian | 3.4% | 0.5% | 5.6% |
| Native American | 0.3% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 1.0% | 0.4% | 0.4% |
| Two or More Races | 2.6% | 2.4% | 3.2% |
| Hispanic | 18.3% | 5.0% | 18.4% |
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| Marriage & Family | | | |
| | Hewitt, TX | Jacksonville, AL | United States |
| Married Population | 55.4% | 31.1% | 49.8% |
| Currently Married | 55.3% | 29.3% | 48.0% |
| Married but Separated | 0.1% | 1.8% | 1.8% |
| Single Population | 44.6% | 68.9% | 50.2% |
| Never Married | 29.5% | 51.8% | 33.8% |
| Divorced | 7.9% | 12.1% | 10.8% |
| Widowed | 7.2% | 5.0% | 5.6% |
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| Household Size | 2.76 | 2.24 | 2.60 |
| Households | 5,655 | 5,124 | 124,010,992 |
| Family Households | 4,167 | 2,461 | 80,755,759 |
| Married couple, w/children | 31.7% | 25.6% | 30.5% |
| Married couple, no children | 47.3% | 36.1% | 42.9% |
| Non Family Households | 1,488 | 2,663 | 43,255,233 |
| Single householder, w/children | 15.2% | 17.7% | 15.8% |
| Single householder, no children | 5.8% | 20.6% | 10.8% |