| | Ralls, TX | Lockney, TX | United States |
| Population | 1,612 | 1,587 | 329,725,481 |
| Female Population | 52.8% | 54.1% | 50.5% |
| Male Population | 47.2% | 45.9% | 49.5% |
| Median Age | 41.3 | 38 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,932 | 1,829 | 309,327,143 |
| Population - 2000 | 2,252 | 2,056 | 285,036,114 |
| Population - 1990 | 2,172 | 2,207 | 251,960,433 |
| Pop. 2000 to Now | -22.5% | -21.3% | 15.6% |
| Pop. 1990 to Now | -19.6% | -26.6% | 30.8% |
| space4 | | | |
| Population Density | 1,195.0 | 1,027.2 | 93.4 |
| Land Area | 1.3 | 1.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ralls, TX | Lockney, TX | United States |
| Age 0 to 4 | 4.8% | 3.0% | 5.9% |
| Age 5 to 9 | 6.5% | 4.7% | 6.1% |
| Age 10 to 14 | 8.9% | 6.4% | 6.6% |
| Age 15 to 17 | 4.2% | 4.5% | 3.9% |
| Age 18 to 20 | 4.3% | 4.1% | 4.0% |
| Age 21 to 24 | 4.0% | 8.2% | 5.2% |
| Age 25 to 34 | 9.9% | 10.3% | 13.8% |
| Age 35 to 44 | 16.6% | 12.3% | 12.9% |
| Age 45 to 54 | 12.5% | 14.2% | 12.6% |
| Age 55 to 59 | 4.5% | 7.4% | 6.7% |
| Age 60 to 64 | 4.7% | 10.4% | 6.3% |
| Age 65 to 74 | 7.2% | 7.3% | 9.6% |
| Age 75 to 84 | 10.8% | 3.8% | 4.5% |
| Age 85 and over | 0.9% | 3.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ralls, TX | Lockney, TX | United States |
| White | 33.0% | 30.7% | 59.4% |
| Black | 5.4% | 0.4% | 12.2% |
| Asian | 0.9% | 0.3% | 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% | 3.1% | 3.2% |
| Hispanic | 60.7% | 65.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ralls, TX | Lockney, TX | United States |
| Married Population | 46.8% | 51.2% | 49.8% |
| Currently Married | 43.9% | 48.9% | 48.0% |
| Married but Separated | 3.0% | 2.3% | 1.8% |
| Single Population | 53.2% | 48.8% | 50.2% |
| Never Married | 28.4% | 30.7% | 33.8% |
| Divorced | 17.8% | 13.3% | 10.8% |
| Widowed | 7.0% | 4.8% | 5.6% |
| space5 | | | |
| Household Size | 2.49 | 3.04 | 2.60 |
| Households | 636 | 514 | 124,010,992 |
| Family Households | 443 | 376 | 80,755,759 |
| Married couple, w/children | 25.5% | 43.4% | 30.5% |
| Married couple, no children | 36.1% | 44.1% | 42.9% |
| Non Family Households | 193 | 138 | 43,255,233 |
| Single householder, w/children | 24.4% | 7.7% | 15.8% |
| Single householder, no children | 14.0% | 4.8% | 10.8% |