| | Uvalde, TX | Hartford, AL | United States |
| Population | 15,374 | 2,630 | 329,725,481 |
| Female Population | 50.8% | 55.7% | 50.5% |
| Male Population | 49.2% | 44.3% | 49.5% |
| Median Age | 32.4 | 40.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,760 | 2,621 | 309,327,143 |
| Population - 2000 | 14,929 | 2,369 | 285,036,114 |
| Population - 1990 | 14,729 | 2,448 | 251,960,433 |
| Pop. 2000 to Now | 7.0% | 9.4% | 15.6% |
| Pop. 1990 to Now | 8.5% | 5.8% | 30.8% |
| space4 | | | |
| Population Density | 2,006.0 | 421.7 | 93.4 |
| Land Area | 7.7 | 6.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Uvalde, TX | Hartford, AL | United States |
| Age 0 to 4 | 7.8% | 6.0% | 5.9% |
| Age 5 to 9 | 5.8% | 8.0% | 6.1% |
| Age 10 to 14 | 10.2% | 5.7% | 6.6% |
| Age 15 to 17 | 4.9% | 3.9% | 3.9% |
| Age 18 to 20 | 3.8% | 3.3% | 4.0% |
| Age 21 to 24 | 6.8% | 4.4% | 5.2% |
| Age 25 to 34 | 13.7% | 10.8% | 13.8% |
| Age 35 to 44 | 13.3% | 14.5% | 12.9% |
| Age 45 to 54 | 8.8% | 12.5% | 12.6% |
| Age 55 to 59 | 4.7% | 6.3% | 6.7% |
| Age 60 to 64 | 5.7% | 7.4% | 6.3% |
| Age 65 to 74 | 7.9% | 7.1% | 9.6% |
| Age 75 to 84 | 4.7% | 6.7% | 4.5% |
| Age 85 and over | 1.8% | 3.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Uvalde, TX | Hartford, AL | United States |
| White | 14.5% | 61.8% | 59.4% |
| Black | 0.5% | 29.8% | 12.2% |
| Asian | 1.7% | 0.0% | 5.6% |
| Native American | 0.3% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.2% | 1.9% | 3.2% |
| Hispanic | 81.8% | 5.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Uvalde, TX | Hartford, AL | United States |
| Married Population | 46.5% | 50.6% | 49.8% |
| Currently Married | 42.4% | 42.1% | 48.0% |
| Married but Separated | 4.1% | 8.5% | 1.8% |
| Single Population | 53.5% | 49.4% | 50.2% |
| Never Married | 34.6% | 28.1% | 33.8% |
| Divorced | 13.5% | 12.1% | 10.8% |
| Widowed | 5.3% | 9.1% | 5.6% |
| space5 | | | |
| Household Size | 2.90 | 2.81 | 2.60 |
| Households | 5,143 | 907 | 124,010,992 |
| Family Households | 3,434 | 618 | 80,755,759 |
| Married couple, w/children | 31.9% | 22.7% | 30.5% |
| Married couple, no children | 29.6% | 47.2% | 42.9% |
| Non Family Households | 1,709 | 289 | 43,255,233 |
| Single householder, w/children | 25.3% | 15.5% | 15.8% |
| Single householder, no children | 13.2% | 14.6% | 10.8% |