| | Los Ybanez, TX | Brownfield, TX | United States |
| Population | 12 | 9,065 | 329,725,481 |
| Female Population | 91.7% | 43.1% | 50.5% |
| Male Population | 8.3% | 56.9% | 49.5% |
| Median Age | 50.7 | 34.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 17 | 9,676 | 309,327,143 |
| Population - 2000 | 32 | 9,488 | 285,036,114 |
| Population - 1990 | 83 | 9,560 | 251,960,433 |
| Pop. 2000 to Now | -46.9% | -2.7% | 15.6% |
| Pop. 1990 to Now | -79.5% | -3.4% | 30.8% |
| space4 | | | |
| Population Density | 144.6 | 1,392.1 | 93.4 |
| Land Area | 0.1 | 6.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Los Ybanez, TX | Brownfield, TX | United States |
| Age 0 to 4 | 0.0% | 6.4% | 5.9% |
| Age 5 to 9 | 0.0% | 9.9% | 6.1% |
| Age 10 to 14 | 0.0% | 5.9% | 6.6% |
| Age 15 to 17 | 0.0% | 4.4% | 3.9% |
| Age 18 to 20 | 0.0% | 5.2% | 4.0% |
| Age 21 to 24 | 0.0% | 4.8% | 5.2% |
| Age 25 to 34 | 0.0% | 13.7% | 13.8% |
| Age 35 to 44 | 0.0% | 13.6% | 12.9% |
| Age 45 to 54 | 83.3% | 10.8% | 12.6% |
| Age 55 to 59 | 16.7% | 5.8% | 6.7% |
| Age 60 to 64 | 0.0% | 4.5% | 6.3% |
| Age 65 to 74 | 0.0% | 8.2% | 9.6% |
| Age 75 to 84 | 0.0% | 4.5% | 4.5% |
| Age 85 and over | 0.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Los Ybanez, TX | Brownfield, TX | United States |
| White | 25.0% | 36.4% | 59.4% |
| Black | 0.0% | 2.6% | 12.2% |
| Asian | 0.0% | 0.0% | 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 | 0.0% | 0.5% | 3.2% |
| Hispanic | 75.0% | 60.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Los Ybanez, TX | Brownfield, TX | United States |
| Married Population | 8.3% | 44.0% | 49.8% |
| Currently Married | 0.0% | 40.0% | 48.0% |
| Married but Separated | 8.3% | 4.1% | 1.8% |
| Single Population | 91.7% | 56.0% | 50.2% |
| Never Married | 0.0% | 34.0% | 33.8% |
| Divorced | 91.7% | 14.6% | 10.8% |
| Widowed | 0.0% | 7.3% | 5.6% |
| space5 | | | |
| Household Size | 1.20 | 2.55 | 2.60 |
| Households | 10 | 3,255 | 124,010,992 |
| Family Households | 0 | 2,039 | 80,755,759 |
| Married couple, w/children | 0.0% | 22.7% | 30.5% |
| Married couple, no children | 0.0% | 38.5% | 42.9% |
| Non Family Households | 10 | 1,216 | 43,255,233 |
| Single householder, w/children | 0.0% | 31.0% | 15.8% |
| Single householder, no children | 0.0% | 7.8% | 10.8% |