| | Pirtleville, AZ | Fort Davis, TX | United States |
| Population | 1,715 | 1,012 | 329,725,481 |
| Female Population | 41.2% | 42.9% | 50.5% |
| Male Population | 58.8% | 57.1% | 49.5% |
| Median Age | 31.9 | 45.3 | 38.4 |
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| Population - 2010 | 1,264 | 1,083 | 309,327,143 |
| Population - 2000 | 1,550 | 1,050 | 285,036,114 |
| Population - 1990 | 1,364 | 985 | 251,960,433 |
| Pop. 2000 to Now | 19.4% | 15.2% | 15.6% |
| Pop. 1990 to Now | 35.6% | 22.8% | 30.8% |
| space4 | | | |
| Population Density | 920.6 | 100.4 | 93.4 |
| Land Area | 1.9 | 10.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pirtleville, AZ | Fort Davis, TX | United States |
| Age 0 to 4 | 3.4% | 6.8% | 5.9% |
| Age 5 to 9 | 12.7% | 0.0% | 6.1% |
| Age 10 to 14 | 3.0% | 17.3% | 6.6% |
| Age 15 to 17 | 6.8% | 4.8% | 3.9% |
| Age 18 to 20 | 9.0% | 6.7% | 4.0% |
| Age 21 to 24 | 3.0% | 0.0% | 5.2% |
| Age 25 to 34 | 16.9% | 2.7% | 13.8% |
| Age 35 to 44 | 2.8% | 11.0% | 12.9% |
| Age 45 to 54 | 13.2% | 6.9% | 12.6% |
| Age 55 to 59 | 8.1% | 12.1% | 6.7% |
| Age 60 to 64 | 7.5% | 10.9% | 6.3% |
| Age 65 to 74 | 7.7% | 14.4% | 9.6% |
| Age 75 to 84 | 4.2% | 6.4% | 4.5% |
| Age 85 and over | 1.6% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pirtleville, AZ | Fort Davis, TX | United States |
| White | 1.2% | 62.1% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.0% | 3.2% |
| Hispanic | 98.8% | 37.9% | 18.4% |
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| Marriage & Family | | | |
| | Pirtleville, AZ | Fort Davis, TX | United States |
| Married Population | 48.5% | 50.9% | 49.8% |
| Currently Married | 40.7% | 42.4% | 48.0% |
| Married but Separated | 7.8% | 8.5% | 1.8% |
| Single Population | 51.5% | 49.1% | 50.2% |
| Never Married | 34.2% | 29.7% | 33.8% |
| Divorced | 13.8% | 19.4% | 10.8% |
| Widowed | 3.5% | 0.0% | 5.6% |
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| Household Size | 3.75 | 2.43 | 2.60 |
| Households | 457 | 416 | 124,010,992 |
| Family Households | 343 | 220 | 80,755,759 |
| Married couple, w/children | 44.0% | 16.4% | 30.5% |
| Married couple, no children | 34.1% | 54.1% | 42.9% |
| Non Family Households | 114 | 196 | 43,255,233 |
| Single householder, w/children | 4.1% | 29.5% | 15.8% |
| Single householder, no children | 17.8% | 0.0% | 10.8% |