| | Newton, TX | Quitman, TX | United States |
| Population | 2,042 | 2,227 | 329,725,481 |
| Female Population | 52.5% | 52.9% | 50.5% |
| Male Population | 47.6% | 47.1% | 49.5% |
| Median Age | 40.3 | 43.1 | 38.4 |
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| Population - 2010 | 2,472 | 1,794 | 309,327,143 |
| Population - 2000 | 2,459 | 2,030 | 285,036,114 |
| Population - 1990 | 1,885 | 1,684 | 251,960,433 |
| Pop. 2000 to Now | -5.3% | -8.4% | 15.6% |
| Pop. 1990 to Now | 23.6% | 10.4% | 30.8% |
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| Population Density | 375.0 | 1,186.5 | 93.4 |
| Land Area | 5.4 | 1.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Newton, TX | Quitman, TX | United States |
| Age 0 to 4 | 5.3% | 5.5% | 5.9% |
| Age 5 to 9 | 7.1% | 6.2% | 6.1% |
| Age 10 to 14 | 6.8% | 5.9% | 6.6% |
| Age 15 to 17 | 3.5% | 5.8% | 3.9% |
| Age 18 to 20 | 5.9% | 3.3% | 4.0% |
| Age 21 to 24 | 4.7% | 2.3% | 5.2% |
| Age 25 to 34 | 13.8% | 12.0% | 13.8% |
| Age 35 to 44 | 7.2% | 9.8% | 12.9% |
| Age 45 to 54 | 11.7% | 9.8% | 12.6% |
| Age 55 to 59 | 9.9% | 6.3% | 6.7% |
| Age 60 to 64 | 6.5% | 7.9% | 6.3% |
| Age 65 to 74 | 9.3% | 11.0% | 9.6% |
| Age 75 to 84 | 6.4% | 6.5% | 4.5% |
| Age 85 and over | 2.0% | 7.4% | 1.9% |
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| Race | | | |
| | Newton, TX | Quitman, TX | United States |
| White | 67.6% | 83.9% | 59.4% |
| Black | 21.0% | 2.2% | 12.2% |
| Asian | 0.3% | 0.0% | 5.6% |
| Native American | 0.4% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.2% | 2.0% | 3.2% |
| Hispanic | 7.4% | 11.0% | 18.4% |
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| Marriage & Family | | | |
| | Newton, TX | Quitman, TX | United States |
| Married Population | 44.8% | 48.9% | 49.8% |
| Currently Married | 43.4% | 46.6% | 48.0% |
| Married but Separated | 1.4% | 2.2% | 1.8% |
| Single Population | 55.2% | 51.1% | 50.2% |
| Never Married | 30.6% | 25.5% | 33.8% |
| Divorced | 17.0% | 16.2% | 10.8% |
| Widowed | 7.6% | 9.4% | 5.6% |
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| Household Size | 2.70 | 2.43 | 2.60 |
| Households | 702 | 829 | 124,010,992 |
| Family Households | 477 | 577 | 80,755,759 |
| Married couple, w/children | 18.2% | 23.7% | 30.5% |
| Married couple, no children | 43.8% | 47.1% | 42.9% |
| Non Family Households | 225 | 252 | 43,255,233 |
| Single householder, w/children | 29.8% | 19.8% | 15.8% |
| Single householder, no children | 8.2% | 9.4% | 10.8% |