| | Tira, TX | Terrell, TX | United States |
| Population | 369 | 17,083 | 329,725,481 |
| Female Population | 49.1% | 55.0% | 50.5% |
| Male Population | 51.0% | 45.0% | 49.5% |
| Median Age | 26.9 | 34.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 295 | 16,123 | 309,327,143 |
| Population - 2000 | 248 | 13,606 | 285,036,114 |
| Population - 1990 | 237 | 12,490 | 251,960,433 |
| Pop. 2000 to Now | 25.4% | 44.7% | 15.6% |
| Pop. 1990 to Now | 31.2% | 57.7% | 30.8% |
| space4 | | | |
| Population Density | 260.2 | 751.2 | 93.4 |
| Land Area | 1.4 | 22.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tira, TX | Terrell, TX | United States |
| Age 0 to 4 | 3.0% | 6.8% | 5.9% |
| Age 5 to 9 | 10.8% | 6.7% | 6.1% |
| Age 10 to 14 | 15.7% | 8.2% | 6.6% |
| Age 15 to 17 | 7.0% | 6.0% | 3.9% |
| Age 18 to 20 | 3.5% | 4.2% | 4.0% |
| Age 21 to 24 | 5.4% | 4.1% | 5.2% |
| Age 25 to 34 | 16.3% | 14.9% | 13.8% |
| Age 35 to 44 | 8.7% | 10.6% | 12.9% |
| Age 45 to 54 | 9.5% | 12.3% | 12.6% |
| Age 55 to 59 | 3.0% | 5.7% | 6.7% |
| Age 60 to 64 | 2.2% | 5.6% | 6.3% |
| Age 65 to 74 | 10.8% | 7.9% | 9.6% |
| Age 75 to 84 | 2.4% | 4.9% | 4.5% |
| Age 85 and over | 1.6% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tira, TX | Terrell, TX | United States |
| White | 78.9% | 40.7% | 59.4% |
| Black | 6.8% | 23.1% | 12.2% |
| Asian | 6.8% | 0.1% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.3% | 3.2% |
| Hispanic | 7.6% | 33.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tira, TX | Terrell, TX | United States |
| Married Population | 55.4% | 47.4% | 49.8% |
| Currently Married | 54.6% | 43.5% | 48.0% |
| Married but Separated | 0.8% | 3.9% | 1.8% |
| Single Population | 44.6% | 52.6% | 50.2% |
| Never Married | 29.2% | 30.0% | 33.8% |
| Divorced | 10.0% | 16.0% | 10.8% |
| Widowed | 5.4% | 6.6% | 5.6% |
| space5 | | | |
| Household Size | 2.91 | 2.76 | 2.60 |
| Households | 127 | 5,991 | 124,010,992 |
| Family Households | 103 | 4,235 | 80,755,759 |
| Married couple, w/children | 43.7% | 33.4% | 30.5% |
| Married couple, no children | 28.2% | 26.1% | 42.9% |
| Non Family Households | 24 | 1,756 | 43,255,233 |
| Single householder, w/children | 18.4% | 28.0% | 15.8% |
| Single householder, no children | 9.7% | 12.5% | 10.8% |