| | New Boston, TX | Colmesneil, TX | United States |
| Population | 4,631 | 718 | 329,725,481 |
| Female Population | 49.6% | 46.0% | 50.5% |
| Male Population | 50.4% | 54.0% | 49.5% |
| Median Age | 36.9 | 38.5 | 38.4 |
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| Population - 2010 | 4,795 | 597 | 309,327,143 |
| Population - 2000 | 4,808 | 638 | 285,036,114 |
| Population - 1990 | 5,057 | 569 | 251,960,433 |
| Pop. 2000 to Now | -5.0% | -7.8% | 15.6% |
| Pop. 1990 to Now | -9.7% | 3.3% | 30.8% |
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| Population Density | 1,158.0 | 358.8 | 93.4 |
| Land Area | 4.0 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | New Boston, TX | Colmesneil, TX | United States |
| Age 0 to 4 | 4.5% | 8.8% | 5.9% |
| Age 5 to 9 | 6.6% | 6.7% | 6.1% |
| Age 10 to 14 | 10.8% | 6.4% | 6.6% |
| Age 15 to 17 | 4.7% | 4.3% | 3.9% |
| Age 18 to 20 | 5.9% | 4.7% | 4.0% |
| Age 21 to 24 | 3.7% | 3.8% | 5.2% |
| Age 25 to 34 | 7.9% | 14.6% | 13.8% |
| Age 35 to 44 | 15.3% | 4.2% | 12.9% |
| Age 45 to 54 | 15.2% | 19.2% | 12.6% |
| Age 55 to 59 | 4.3% | 4.6% | 6.7% |
| Age 60 to 64 | 6.0% | 9.2% | 6.3% |
| Age 65 to 74 | 5.5% | 9.2% | 9.6% |
| Age 75 to 84 | 8.2% | 3.3% | 4.5% |
| Age 85 and over | 1.4% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | New Boston, TX | Colmesneil, TX | United States |
| White | 76.9% | 86.6% | 59.4% |
| Black | 11.8% | 0.0% | 12.2% |
| Asian | 0.6% | 0.6% | 5.6% |
| Native American | 0.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 1.8% | 3.2% |
| Hispanic | 6.9% | 11.0% | 18.4% |
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| Marriage & Family | | | |
| | New Boston, TX | Colmesneil, TX | United States |
| Married Population | 39.7% | 57.8% | 49.8% |
| Currently Married | 38.4% | 57.4% | 48.0% |
| Married but Separated | 1.3% | 0.4% | 1.8% |
| Single Population | 60.3% | 42.2% | 50.2% |
| Never Married | 30.3% | 22.6% | 33.8% |
| Divorced | 19.5% | 11.9% | 10.8% |
| Widowed | 10.6% | 7.7% | 5.6% |
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| Household Size | 2.63 | 2.57 | 2.60 |
| Households | 1,756 | 279 | 124,010,992 |
| Family Households | 1,048 | 202 | 80,755,759 |
| Married couple, w/children | 26.2% | 43.1% | 30.5% |
| Married couple, no children | 36.7% | 41.6% | 42.9% |
| Non Family Households | 708 | 77 | 43,255,233 |
| Single householder, w/children | 28.5% | 8.9% | 15.8% |
| Single householder, no children | 8.5% | 6.4% | 10.8% |