| | Alba, TX | Presidio, TX | United States |
| Population | 516 | 3,420 | 329,725,481 |
| Female Population | 53.5% | 55.6% | 50.5% |
| Male Population | 46.5% | 44.4% | 49.5% |
| Median Age | 52.7 | 34.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 502 | 4,465 | 309,327,143 |
| Population - 2000 | 430 | 4,167 | 285,036,114 |
| Population - 1990 | 489 | 3,072 | 251,960,433 |
| Pop. 2000 to Now | 27.9% | -9.5% | 15.6% |
| Pop. 1990 to Now | 12.5% | 22.7% | 30.8% |
| space4 | | | |
| Population Density | 490.0 | 1,328.2 | 93.4 |
| Land Area | 1.1 | 2.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Alba, TX | Presidio, TX | United States |
| Age 0 to 4 | 2.9% | 9.5% | 5.9% |
| Age 5 to 9 | 1.6% | 12.5% | 6.1% |
| Age 10 to 14 | 7.4% | 5.9% | 6.6% |
| Age 15 to 17 | 6.6% | 6.6% | 3.9% |
| Age 18 to 20 | 3.5% | 8.0% | 4.0% |
| Age 21 to 24 | 2.7% | 3.5% | 5.2% |
| Age 25 to 34 | 4.8% | 6.8% | 13.8% |
| Age 35 to 44 | 10.5% | 12.7% | 12.9% |
| Age 45 to 54 | 10.3% | 6.5% | 12.6% |
| Age 55 to 59 | 6.8% | 5.9% | 6.7% |
| Age 60 to 64 | 18.0% | 2.1% | 6.3% |
| Age 65 to 74 | 9.7% | 8.5% | 9.6% |
| Age 75 to 84 | 12.2% | 11.3% | 4.5% |
| Age 85 and over | 3.1% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Alba, TX | Presidio, TX | United States |
| White | 70.9% | 0.9% | 59.4% |
| Black | 6.0% | 0.0% | 12.2% |
| Asian | 0.8% | 2.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.7% | 0.0% | 0.4% |
| Two or More Races | 8.7% | 0.0% | 3.2% |
| Hispanic | 11.8% | 97.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Alba, TX | Presidio, TX | United States |
| Married Population | 43.7% | 66.5% | 49.8% |
| Currently Married | 42.9% | 65.4% | 48.0% |
| Married but Separated | 0.9% | 1.1% | 1.8% |
| Single Population | 56.3% | 33.5% | 50.2% |
| Never Married | 19.3% | 28.0% | 33.8% |
| Divorced | 25.5% | 3.9% | 10.8% |
| Widowed | 11.4% | 1.6% | 5.6% |
| space5 | | | |
| Household Size | 2.32 | 3.95 | 2.60 |
| Households | 222 | 866 | 124,010,992 |
| Family Households | 119 | 584 | 80,755,759 |
| Married couple, w/children | 19.3% | 19.0% | 30.5% |
| Married couple, no children | 54.6% | 39.2% | 42.9% |
| Non Family Households | 103 | 282 | 43,255,233 |
| Single householder, w/children | 22.7% | 20.4% | 15.8% |
| Single householder, no children | 3.4% | 21.4% | 10.8% |