| | Helotes, TX | Glendale, AZ | United States |
| Population | 8,937 | 245,685 | 329,725,481 |
| Female Population | 50.0% | 50.7% | 50.5% |
| Male Population | 50.1% | 49.3% | 49.5% |
| Median Age | 44.2 | 33.7 | 38.4 |
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| Population - 2010 | 7,352 | 226,194 | 309,327,143 |
| Population - 2000 | 4,285 | 218,812 | 285,036,114 |
| Population - 1990 | 1,535 | 148,134 | 251,960,433 |
| Pop. 2000 to Now | 139.8% | 16.7% | 15.6% |
| Pop. 1990 to Now | 569.5% | 72.4% | 30.8% |
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| Population Density | 1,313.9 | 4,130.2 | 93.4 |
| Land Area | 6.8 | 59.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Helotes, TX | Glendale, AZ | United States |
| Age 0 to 4 | 2.3% | 7.2% | 5.9% |
| Age 5 to 9 | 5.9% | 7.1% | 6.1% |
| Age 10 to 14 | 7.1% | 7.4% | 6.6% |
| Age 15 to 17 | 5.3% | 4.4% | 3.9% |
| Age 18 to 20 | 5.9% | 5.1% | 4.0% |
| Age 21 to 24 | 3.5% | 5.6% | 5.2% |
| Age 25 to 34 | 11.2% | 14.8% | 13.8% |
| Age 35 to 44 | 10.8% | 12.4% | 12.9% |
| Age 45 to 54 | 17.1% | 12.9% | 12.6% |
| Age 55 to 59 | 7.4% | 6.3% | 6.7% |
| Age 60 to 64 | 4.5% | 5.0% | 6.3% |
| Age 65 to 74 | 11.6% | 7.2% | 9.6% |
| Age 75 to 84 | 4.6% | 3.3% | 4.5% |
| Age 85 and over | 2.8% | 1.3% | 1.9% |
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| Race | | | |
| | Helotes, TX | Glendale, AZ | United States |
| White | 43.5% | 43.6% | 59.4% |
| Black | 2.0% | 6.8% | 12.2% |
| Asian | 2.8% | 4.1% | 5.6% |
| Native American | 0.0% | 1.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 1.2% | 3.6% | 3.2% |
| Hispanic | 50.5% | 40.2% | 18.4% |
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| Marriage & Family | | | |
| | Helotes, TX | Glendale, AZ | United States |
| Married Population | 58.4% | 44.4% | 49.8% |
| Currently Married | 58.4% | 42.3% | 48.0% |
| Married but Separated | 0.0% | 2.1% | 1.8% |
| Single Population | 41.6% | 55.6% | 50.2% |
| Never Married | 28.9% | 38.3% | 33.8% |
| Divorced | 7.7% | 12.3% | 10.8% |
| Widowed | 4.9% | 4.9% | 5.6% |
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| Household Size | 3.12 | 2.88 | 2.60 |
| Households | 2,865 | 83,956 | 124,010,992 |
| Family Households | 2,404 | 56,234 | 80,755,759 |
| Married couple, w/children | 32.6% | 30.7% | 30.5% |
| Married couple, no children | 50.3% | 34.1% | 42.9% |
| Non Family Households | 461 | 27,722 | 43,255,233 |
| Single householder, w/children | 6.2% | 24.0% | 15.8% |
| Single householder, no children | 10.9% | 11.2% | 10.8% |