| | Prescott, AZ | Gilbert, AZ | United States |
| Population | 45,063 | 262,249 | 329,725,481 |
| Female Population | 51.3% | 50.7% | 50.5% |
| Male Population | 48.7% | 49.3% | 49.5% |
| Median Age | 60.5 | 35.3 | 38.4 |
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| Population - 2010 | 39,660 | 209,471 | 309,327,143 |
| Population - 2000 | 33,938 | 109,697 | 285,036,114 |
| Population - 1990 | 26,455 | 29,188 | 251,960,433 |
| Pop. 2000 to Now | 32.1% | 134.9% | 15.6% |
| Pop. 1990 to Now | 69.5% | 782.8% | 30.8% |
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| Population Density | 1,002.7 | 3,851.5 | 93.4 |
| Land Area | 44.9 | 68.1 | 3,531,905.4 |
| Water Area | 0.2 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Prescott, AZ | Gilbert, AZ | United States |
| Age 0 to 4 | 2.9% | 6.6% | 5.9% |
| Age 5 to 9 | 2.8% | 8.3% | 6.1% |
| Age 10 to 14 | 3.7% | 9.1% | 6.6% |
| Age 15 to 17 | 2.4% | 5.5% | 3.9% |
| Age 18 to 20 | 4.6% | 3.7% | 4.0% |
| Age 21 to 24 | 4.0% | 4.6% | 5.2% |
| Age 25 to 34 | 6.8% | 11.7% | 13.8% |
| Age 35 to 44 | 6.4% | 16.0% | 12.9% |
| Age 45 to 54 | 8.8% | 14.8% | 12.6% |
| Age 55 to 59 | 6.9% | 5.6% | 6.7% |
| Age 60 to 64 | 10.9% | 4.5% | 6.3% |
| Age 65 to 74 | 23.3% | 6.1% | 9.6% |
| Age 75 to 84 | 11.5% | 2.7% | 4.5% |
| Age 85 and over | 5.1% | 0.9% | 1.9% |
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| Race | | | |
| | Prescott, AZ | Gilbert, AZ | United States |
| White | 85.7% | 68.6% | 59.4% |
| Black | 0.4% | 3.7% | 12.2% |
| Asian | 1.8% | 5.5% | 5.6% |
| Native American | 0.5% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.1% | 0.2% |
| Other | 0.1% | 0.2% | 0.4% |
| Two or More Races | 2.8% | 4.2% | 3.2% |
| Hispanic | 8.6% | 17.1% | 18.4% |
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| Marriage & Family | | | |
| | Prescott, AZ | Gilbert, AZ | United States |
| Married Population | 54.4% | 58.2% | 49.8% |
| Currently Married | 53.1% | 57.6% | 48.0% |
| Married but Separated | 1.3% | 0.6% | 1.8% |
| Single Population | 45.6% | 41.8% | 50.2% |
| Never Married | 22.2% | 28.7% | 33.8% |
| Divorced | 14.1% | 9.9% | 10.8% |
| Widowed | 9.4% | 3.3% | 5.6% |
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| Household Size | 2.02 | 2.96 | 2.60 |
| Households | 21,186 | 88,427 | 124,010,992 |
| Family Households | 12,224 | 67,867 | 80,755,759 |
| Married couple, w/children | 13.5% | 43.1% | 30.5% |
| Married couple, no children | 70.9% | 37.0% | 42.9% |
| Non Family Households | 8,962 | 20,560 | 43,255,233 |
| Single householder, w/children | 8.3% | 13.2% | 15.8% |
| Single householder, no children | 7.2% | 6.8% | 10.8% |