| | Painesville, OH | Windsor, CO | United States |
| Population | 20,311 | 31,972 | 329,725,481 |
| Female Population | 48.5% | 49.2% | 50.5% |
| Male Population | 51.5% | 50.8% | 49.5% |
| Median Age | 31.2 | 41.9 | 38.4 |
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| Population - 2010 | 19,526 | 18,846 | 309,327,143 |
| Population - 2000 | 17,503 | 9,896 | 285,036,114 |
| Population - 1990 | 15,699 | 5,062 | 251,960,433 |
| Pop. 2000 to Now | 13.1% | 179.5% | 15.6% |
| Pop. 1990 to Now | 26.1% | 446.4% | 30.8% |
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| Population Density | 2,976.0 | 1,300.6 | 93.4 |
| Land Area | 6.8 | 24.6 | 3,531,905.4 |
| Water Area | 0.2 | 1.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Painesville, OH | Windsor, CO | United States |
| Age 0 to 4 | 7.8% | 4.3% | 5.9% |
| Age 5 to 9 | 8.7% | 6.6% | 6.1% |
| Age 10 to 14 | 8.5% | 9.9% | 6.6% |
| Age 15 to 17 | 4.2% | 4.9% | 3.9% |
| Age 18 to 20 | 4.5% | 2.0% | 4.0% |
| Age 21 to 24 | 4.8% | 2.8% | 5.2% |
| Age 25 to 34 | 15.6% | 10.0% | 13.8% |
| Age 35 to 44 | 14.3% | 14.1% | 12.9% |
| Age 45 to 54 | 11.2% | 15.8% | 12.6% |
| Age 55 to 59 | 4.5% | 8.3% | 6.7% |
| Age 60 to 64 | 5.6% | 4.7% | 6.3% |
| Age 65 to 74 | 7.1% | 9.7% | 9.6% |
| Age 75 to 84 | 2.2% | 5.5% | 4.5% |
| Age 85 and over | 0.9% | 1.3% | 1.9% |
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| Race | | | |
| | Painesville, OH | Windsor, CO | United States |
| White | 55.2% | 86.5% | 59.4% |
| Black | 14.2% | 0.4% | 12.2% |
| Asian | 1.0% | 2.3% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 3.7% | 1.5% | 3.2% |
| Hispanic | 25.7% | 8.2% | 18.4% |
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| Marriage & Family | | | |
| | Painesville, OH | Windsor, CO | United States |
| Married Population | 42.8% | 65.3% | 49.8% |
| Currently Married | 40.4% | 64.4% | 48.0% |
| Married but Separated | 2.3% | 0.9% | 1.8% |
| Single Population | 57.2% | 34.7% | 50.2% |
| Never Married | 38.6% | 20.1% | 33.8% |
| Divorced | 15.5% | 11.1% | 10.8% |
| Widowed | 3.1% | 3.5% | 5.6% |
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| Household Size | 2.52 | 2.61 | 2.60 |
| Households | 7,687 | 12,202 | 124,010,992 |
| Family Households | 4,424 | 9,574 | 80,755,759 |
| Married couple, w/children | 32.5% | 36.2% | 30.5% |
| Married couple, no children | 28.9% | 46.8% | 42.9% |
| Non Family Households | 3,263 | 2,628 | 43,255,233 |
| Single householder, w/children | 26.7% | 10.4% | 15.8% |
| Single householder, no children | 11.8% | 6.6% | 10.8% |