| | Red Oak, TX | Leon Valley, TX | United States |
| Population | 13,956 | 11,503 | 329,725,481 |
| Female Population | 50.8% | 52.6% | 50.5% |
| Male Population | 49.2% | 47.4% | 49.5% |
| Median Age | 36 | 38.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 10,774 | 11,076 | 309,327,143 |
| Population - 2000 | 4,301 | 9,239 | 285,036,114 |
| Population - 1990 | 3,124 | 9,581 | 251,960,433 |
| Pop. 2000 to Now | 227.8% | 33.1% | 15.6% |
| Pop. 1990 to Now | 351.3% | 28.4% | 30.8% |
| space4 | | | |
| Population Density | 918.6 | 3,369.4 | 93.4 |
| Land Area | 15.2 | 3.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Red Oak, TX | Leon Valley, TX | United States |
| Age 0 to 4 | 5.3% | 5.6% | 5.9% |
| Age 5 to 9 | 9.9% | 5.4% | 6.1% |
| Age 10 to 14 | 9.3% | 5.6% | 6.6% |
| Age 15 to 17 | 5.7% | 6.2% | 3.9% |
| Age 18 to 20 | 3.8% | 3.0% | 4.0% |
| Age 21 to 24 | 3.4% | 5.2% | 5.2% |
| Age 25 to 34 | 10.9% | 14.2% | 13.8% |
| Age 35 to 44 | 16.1% | 13.2% | 12.9% |
| Age 45 to 54 | 18.0% | 11.9% | 12.6% |
| Age 55 to 59 | 4.6% | 7.1% | 6.7% |
| Age 60 to 64 | 3.7% | 6.4% | 6.3% |
| Age 65 to 74 | 5.3% | 10.0% | 9.6% |
| Age 75 to 84 | 3.4% | 4.4% | 4.5% |
| Age 85 and over | 0.8% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Red Oak, TX | Leon Valley, TX | United States |
| White | 39.1% | 25.8% | 59.4% |
| Black | 32.4% | 3.2% | 12.2% |
| Asian | 2.2% | 9.2% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.1% | 0.4% |
| Two or More Races | 4.8% | 0.5% | 3.2% |
| Hispanic | 20.9% | 61.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Red Oak, TX | Leon Valley, TX | United States |
| Married Population | 55.2% | 44.3% | 49.8% |
| Currently Married | 53.5% | 42.3% | 48.0% |
| Married but Separated | 1.7% | 2.0% | 1.8% |
| Single Population | 44.8% | 55.7% | 50.2% |
| Never Married | 30.3% | 34.8% | 33.8% |
| Divorced | 11.6% | 13.9% | 10.8% |
| Widowed | 2.9% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 3.11 | 2.43 | 2.60 |
| Households | 4,443 | 4,726 | 124,010,992 |
| Family Households | 3,596 | 3,033 | 80,755,759 |
| Married couple, w/children | 44.6% | 26.8% | 30.5% |
| Married couple, no children | 31.3% | 31.1% | 42.9% |
| Non Family Households | 847 | 1,693 | 43,255,233 |
| Single householder, w/children | 17.2% | 27.9% | 15.8% |
| Single householder, no children | 7.0% | 14.2% | 10.8% |