| | Seven Oaks, TX | Colmesneil, TX | United States |
| Population | 124 | 718 | 329,725,481 |
| Female Population | 50.8% | 46.0% | 50.5% |
| Male Population | 49.2% | 54.0% | 49.5% |
| Median Age | 60.3 | 38.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 110 | 597 | 309,327,143 |
| Population - 2000 | 131 | 638 | 285,036,114 |
| Population - 1990 | 171 | 569 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | -7.8% | 15.6% |
| Pop. 1990 to Now | -23.4% | 3.3% | 30.8% |
| space4 | | | |
| Population Density | 88.6 | 358.8 | 93.4 |
| Land Area | 1.4 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Seven Oaks, TX | Colmesneil, TX | United States |
| Age 0 to 4 | 0.0% | 8.8% | 5.9% |
| Age 5 to 9 | 3.2% | 6.7% | 6.1% |
| Age 10 to 14 | 0.0% | 6.4% | 6.6% |
| Age 15 to 17 | 7.3% | 4.3% | 3.9% |
| Age 18 to 20 | 0.0% | 4.7% | 4.0% |
| Age 21 to 24 | 4.0% | 3.8% | 5.2% |
| Age 25 to 34 | 0.0% | 14.6% | 13.8% |
| Age 35 to 44 | 3.2% | 4.2% | 12.9% |
| Age 45 to 54 | 12.1% | 19.2% | 12.6% |
| Age 55 to 59 | 4.0% | 4.6% | 6.7% |
| Age 60 to 64 | 58.9% | 9.2% | 6.3% |
| Age 65 to 74 | 3.2% | 9.2% | 9.6% |
| Age 75 to 84 | 1.6% | 3.3% | 4.5% |
| Age 85 and over | 2.4% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Seven Oaks, TX | Colmesneil, TX | United States |
| White | 11.3% | 86.6% | 59.4% |
| Black | 33.1% | 0.0% | 12.2% |
| Asian | 0.0% | 0.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 55.6% | 1.8% | 3.2% |
| Hispanic | 0.0% | 11.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Seven Oaks, TX | Colmesneil, TX | United States |
| Married Population | 8.3% | 57.8% | 49.8% |
| Currently Married | 5.8% | 57.4% | 48.0% |
| Married but Separated | 2.5% | 0.4% | 1.8% |
| Single Population | 91.7% | 42.2% | 50.2% |
| Never Married | 11.7% | 22.6% | 33.8% |
| Divorced | 70.0% | 11.9% | 10.8% |
| Widowed | 10.0% | 7.7% | 5.6% |
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| Household Size | 3.35 | 2.57 | 2.60 |
| Households | 37 | 279 | 124,010,992 |
| Family Households | 34 | 202 | 80,755,759 |
| Married couple, w/children | 2.9% | 43.1% | 30.5% |
| Married couple, no children | 2.9% | 41.6% | 42.9% |
| Non Family Households | 3 | 77 | 43,255,233 |
| Single householder, w/children | 5.9% | 8.9% | 15.8% |
| Single householder, no children | 88.2% | 6.4% | 10.8% |