| | Avon, OH | Macomb, MI | United States |
| Population | 24,542 | 90,818 | 329,725,481 |
| Female Population | 51.7% | 50.6% | 50.5% |
| Male Population | 48.4% | 49.4% | 49.5% |
| Median Age | 41.4 | 39.5 | 38.4 |
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| Population - 2010 | 21,244 | 79,675 | 309,327,143 |
| Population - 2000 | 11,446 | 50,478 | 285,036,114 |
| Population - 1990 | 7,337 | 22,714 | 251,960,433 |
| Pop. 2000 to Now | 107.5% | 82.5% | 15.6% |
| Pop. 1990 to Now | 223.6% | 305.6% | 30.8% |
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| Population Density | 1,179.5 | 2,507.0 | 93.4 |
| Land Area | 20.8 | 36.2 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Avon, OH | Macomb, MI | United States |
| Age 0 to 4 | 5.2% | 5.7% | 5.9% |
| Age 5 to 9 | 7.7% | 7.2% | 6.1% |
| Age 10 to 14 | 10.2% | 7.1% | 6.6% |
| Age 15 to 17 | 5.4% | 5.6% | 3.9% |
| Age 18 to 20 | 2.1% | 4.3% | 4.0% |
| Age 21 to 24 | 3.0% | 4.8% | 5.2% |
| Age 25 to 34 | 8.7% | 9.8% | 13.8% |
| Age 35 to 44 | 12.3% | 13.1% | 12.9% |
| Age 45 to 54 | 19.6% | 17.0% | 12.6% |
| Age 55 to 59 | 5.8% | 6.5% | 6.7% |
| Age 60 to 64 | 3.3% | 6.0% | 6.3% |
| Age 65 to 74 | 10.0% | 8.1% | 9.6% |
| Age 75 to 84 | 5.1% | 3.7% | 4.5% |
| Age 85 and over | 1.8% | 1.2% | 1.9% |
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| Race | | | |
| | Avon, OH | Macomb, MI | United States |
| White | 86.4% | 87.7% | 59.4% |
| Black | 4.2% | 4.7% | 12.2% |
| Asian | 3.3% | 3.1% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.1% | 0.4% |
| Two or More Races | 1.3% | 1.8% | 3.2% |
| Hispanic | 4.3% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Avon, OH | Macomb, MI | United States |
| Married Population | 65.2% | 60.8% | 49.8% |
| Currently Married | 64.7% | 60.4% | 48.0% |
| Married but Separated | 0.5% | 0.4% | 1.8% |
| Single Population | 34.8% | 39.2% | 50.2% |
| Never Married | 19.2% | 27.4% | 33.8% |
| Divorced | 7.7% | 7.4% | 10.8% |
| Widowed | 7.9% | 4.4% | 5.6% |
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| Household Size | 2.66 | 2.96 | 2.60 |
| Households | 9,137 | 30,618 | 124,010,992 |
| Family Households | 6,961 | 24,073 | 80,755,759 |
| Married couple, w/children | 44.4% | 42.7% | 30.5% |
| Married couple, no children | 41.6% | 44.0% | 42.9% |
| Non Family Households | 2,176 | 6,545 | 43,255,233 |
| Single householder, w/children | 9.2% | 6.8% | 15.8% |
| Single householder, no children | 4.8% | 6.5% | 10.8% |