| | Quitman, TX | Quinlan, TX | United States |
| Population | 2,227 | 1,632 | 329,725,481 |
| Female Population | 52.9% | 54.7% | 50.5% |
| Male Population | 47.1% | 45.3% | 49.5% |
| Median Age | 43.1 | 37.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,794 | 1,383 | 309,327,143 |
| Population - 2000 | 2,030 | 1,370 | 285,036,114 |
| Population - 1990 | 1,684 | 1,360 | 251,960,433 |
| Pop. 2000 to Now | -8.4% | 12.8% | 15.6% |
| Pop. 1990 to Now | 10.4% | 13.6% | 30.8% |
| space4 | | | |
| Population Density | 1,186.5 | 1,262.2 | 93.4 |
| Land Area | 1.9 | 1.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Quitman, TX | Quinlan, TX | United States |
| Age 0 to 4 | 5.5% | 11.8% | 5.9% |
| Age 5 to 9 | 6.2% | 5.8% | 6.1% |
| Age 10 to 14 | 5.9% | 5.9% | 6.6% |
| Age 15 to 17 | 5.8% | 3.2% | 3.9% |
| Age 18 to 20 | 3.3% | 2.5% | 4.0% |
| Age 21 to 24 | 2.3% | 3.0% | 5.2% |
| Age 25 to 34 | 12.0% | 15.3% | 13.8% |
| Age 35 to 44 | 9.8% | 9.9% | 12.9% |
| Age 45 to 54 | 9.8% | 10.8% | 12.6% |
| Age 55 to 59 | 6.3% | 5.9% | 6.7% |
| Age 60 to 64 | 7.9% | 7.4% | 6.3% |
| Age 65 to 74 | 11.0% | 11.2% | 9.6% |
| Age 75 to 84 | 6.5% | 6.4% | 4.5% |
| Age 85 and over | 7.4% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Quitman, TX | Quinlan, TX | United States |
| White | 83.9% | 81.8% | 59.4% |
| Black | 2.2% | 1.0% | 12.2% |
| Asian | 0.0% | 2.3% | 5.6% |
| Native American | 0.9% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 3.6% | 3.2% |
| Hispanic | 11.0% | 10.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Quitman, TX | Quinlan, TX | United States |
| Married Population | 48.9% | 53.6% | 49.8% |
| Currently Married | 46.6% | 50.8% | 48.0% |
| Married but Separated | 2.2% | 2.8% | 1.8% |
| Single Population | 51.1% | 46.4% | 50.2% |
| Never Married | 25.5% | 24.8% | 33.8% |
| Divorced | 16.2% | 15.1% | 10.8% |
| Widowed | 9.4% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.47 | 2.60 |
| Households | 829 | 660 | 124,010,992 |
| Family Households | 577 | 432 | 80,755,759 |
| Married couple, w/children | 23.7% | 35.4% | 30.5% |
| Married couple, no children | 47.1% | 37.5% | 42.9% |
| Non Family Households | 252 | 228 | 43,255,233 |
| Single householder, w/children | 19.8% | 20.4% | 15.8% |
| Single householder, no children | 9.4% | 6.7% | 10.8% |