| | Comanche, TX | Bandera, TX | United States |
| Population | 4,171 | 453 | 329,725,481 |
| Female Population | 53.6% | 55.4% | 50.5% |
| Male Population | 46.4% | 44.6% | 49.5% |
| Median Age | 34.9 | 53.8 | 38.4 |
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| Population - 2010 | 4,322 | 851 | 309,327,143 |
| Population - 2000 | 4,482 | 957 | 285,036,114 |
| Population - 1990 | 4,087 | 877 | 251,960,433 |
| Pop. 2000 to Now | -5.9% | -5.2% | 15.6% |
| Pop. 1990 to Now | 3.2% | 3.4% | 30.8% |
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| Population Density | 914.5 | 381.3 | 93.4 |
| Land Area | 4.6 | 1.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Comanche, TX | Bandera, TX | United States |
| Age 0 to 4 | 7.1% | 6.6% | 5.9% |
| Age 5 to 9 | 11.3% | 1.3% | 6.1% |
| Age 10 to 14 | 6.6% | 0.4% | 6.6% |
| Age 15 to 17 | 3.6% | 0.0% | 3.9% |
| Age 18 to 20 | 1.9% | 3.8% | 4.0% |
| Age 21 to 24 | 5.9% | 5.1% | 5.2% |
| Age 25 to 34 | 13.9% | 10.2% | 13.8% |
| Age 35 to 44 | 4.9% | 13.9% | 12.9% |
| Age 45 to 54 | 11.5% | 9.5% | 12.6% |
| Age 55 to 59 | 5.2% | 13.0% | 6.7% |
| Age 60 to 64 | 4.1% | 2.9% | 6.3% |
| Age 65 to 74 | 13.0% | 18.5% | 9.6% |
| Age 75 to 84 | 8.9% | 12.1% | 4.5% |
| Age 85 and over | 2.2% | 2.6% | 1.9% |
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| Race | | | |
| | Comanche, TX | Bandera, TX | United States |
| White | 54.2% | 81.9% | 59.4% |
| Black | 1.2% | 0.9% | 12.2% |
| Asian | 0.1% | 0.0% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.6% | 0.2% | 3.2% |
| Hispanic | 44.0% | 16.6% | 18.4% |
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| Marriage & Family | | | |
| | Comanche, TX | Bandera, TX | United States |
| Married Population | 43.7% | 37.6% | 49.8% |
| Currently Married | 38.7% | 34.7% | 48.0% |
| Married but Separated | 5.0% | 2.9% | 1.8% |
| Single Population | 56.3% | 62.4% | 50.2% |
| Never Married | 31.6% | 33.5% | 33.8% |
| Divorced | 12.8% | 16.1% | 10.8% |
| Widowed | 11.9% | 12.8% | 5.6% |
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| Household Size | 2.76 | 2.46 | 2.60 |
| Households | 1,465 | 170 | 124,010,992 |
| Family Households | 899 | 74 | 80,755,759 |
| Married couple, w/children | 27.1% | 6.8% | 30.5% |
| Married couple, no children | 37.5% | 44.6% | 42.9% |
| Non Family Households | 566 | 96 | 43,255,233 |
| Single householder, w/children | 20.9% | 18.9% | 15.8% |
| Single householder, no children | 14.5% | 29.7% | 10.8% |