| | Peoria, AZ | Hamilton, OH | United States |
| Population | 187,733 | 63,127 | 329,725,481 |
| Female Population | 51.9% | 51.4% | 50.5% |
| Male Population | 48.1% | 48.6% | 49.5% |
| Median Age | 40.8 | 35.3 | 38.4 |
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| Population - 2010 | 154,856 | 62,309 | 309,327,143 |
| Population - 2000 | 108,364 | 60,690 | 285,036,114 |
| Population - 1990 | 50,618 | 61,368 | 251,960,433 |
| Pop. 2000 to Now | 66.0% | 2.4% | 15.6% |
| Pop. 1990 to Now | 255.4% | 1.3% | 30.8% |
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| Population Density | 1,068.5 | 2,943.0 | 93.4 |
| Land Area | 175.7 | 21.5 | 3,531,905.4 |
| Water Area | 3.4 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Peoria, AZ | Hamilton, OH | United States |
| Age 0 to 4 | 5.5% | 6.5% | 5.9% |
| Age 5 to 9 | 6.6% | 7.6% | 6.1% |
| Age 10 to 14 | 6.8% | 6.8% | 6.6% |
| Age 15 to 17 | 4.4% | 3.3% | 3.9% |
| Age 18 to 20 | 3.0% | 4.2% | 4.0% |
| Age 21 to 24 | 4.3% | 6.5% | 5.2% |
| Age 25 to 34 | 11.3% | 14.6% | 13.8% |
| Age 35 to 44 | 13.6% | 12.6% | 12.9% |
| Age 45 to 54 | 12.6% | 10.5% | 12.6% |
| Age 55 to 59 | 7.2% | 6.7% | 6.7% |
| Age 60 to 64 | 7.0% | 6.0% | 6.3% |
| Age 65 to 74 | 10.8% | 8.7% | 9.6% |
| Age 75 to 84 | 4.9% | 4.5% | 4.5% |
| Age 85 and over | 2.2% | 1.5% | 1.9% |
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| Race | | | |
| | Peoria, AZ | Hamilton, OH | United States |
| White | 66.0% | 77.5% | 59.4% |
| Black | 3.0% | 7.7% | 12.2% |
| Asian | 5.3% | 0.6% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.2% | 0.2% |
| Other | 0.2% | 0.3% | 0.4% |
| Two or More Races | 4.1% | 5.1% | 3.2% |
| Hispanic | 20.6% | 8.5% | 18.4% |
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| Marriage & Family | | | |
| | Peoria, AZ | Hamilton, OH | United States |
| Married Population | 56.3% | 40.7% | 49.8% |
| Currently Married | 55.0% | 37.9% | 48.0% |
| Married but Separated | 1.4% | 2.8% | 1.8% |
| Single Population | 43.7% | 59.3% | 50.2% |
| Never Married | 26.1% | 36.5% | 33.8% |
| Divorced | 11.8% | 16.1% | 10.8% |
| Widowed | 5.8% | 6.7% | 5.6% |
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| Household Size | 2.65 | 2.51 | 2.60 |
| Households | 70,471 | 24,457 | 124,010,992 |
| Family Households | 50,307 | 14,636 | 80,755,759 |
| Married couple, w/children | 31.5% | 26.4% | 30.5% |
| Married couple, no children | 45.5% | 33.1% | 42.9% |
| Non Family Households | 20,164 | 9,821 | 43,255,233 |
| Single householder, w/children | 13.7% | 26.8% | 15.8% |
| Single householder, no children | 9.3% | 13.7% | 10.8% |