| | Macomb, MI | Dublin, OH | United States |
| Population | 90,818 | 48,613 | 329,725,481 |
| Female Population | 50.6% | 49.1% | 50.5% |
| Male Population | 49.4% | 51.0% | 49.5% |
| Median Age | 39.5 | 40.5 | 38.4 |
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| Population - 2010 | 79,675 | 41,522 | 309,327,143 |
| Population - 2000 | 50,478 | 31,392 | 285,036,114 |
| Population - 1990 | 22,714 | 16,366 | 251,960,433 |
| Pop. 2000 to Now | 82.5% | 57.3% | 15.6% |
| Pop. 1990 to Now | 305.6% | 201.7% | 30.8% |
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| Population Density | 2,507.0 | 1,976.2 | 93.4 |
| Land Area | 36.2 | 24.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Macomb, MI | Dublin, OH | United States |
| Age 0 to 4 | 5.7% | 5.6% | 5.9% |
| Age 5 to 9 | 7.2% | 8.0% | 6.1% |
| Age 10 to 14 | 7.1% | 9.2% | 6.6% |
| Age 15 to 17 | 5.6% | 5.6% | 3.9% |
| Age 18 to 20 | 4.3% | 2.4% | 4.0% |
| Age 21 to 24 | 4.8% | 2.2% | 5.2% |
| Age 25 to 34 | 9.8% | 8.3% | 13.8% |
| Age 35 to 44 | 13.1% | 15.9% | 12.9% |
| Age 45 to 54 | 17.0% | 17.2% | 12.6% |
| Age 55 to 59 | 6.5% | 7.0% | 6.7% |
| Age 60 to 64 | 6.0% | 5.6% | 6.3% |
| Age 65 to 74 | 8.1% | 8.8% | 9.6% |
| Age 75 to 84 | 3.7% | 2.9% | 4.5% |
| Age 85 and over | 1.2% | 1.2% | 1.9% |
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| Race | | | |
| | Macomb, MI | Dublin, OH | United States |
| White | 87.7% | 70.6% | 59.4% |
| Black | 4.7% | 2.3% | 12.2% |
| Asian | 3.1% | 19.6% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.1% | 0.4% | 0.4% |
| Two or More Races | 1.8% | 3.1% | 3.2% |
| Hispanic | 2.4% | 3.8% | 18.4% |
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| Marriage & Family | | | |
| | Macomb, MI | Dublin, OH | United States |
| Married Population | 60.8% | 70.4% | 49.8% |
| Currently Married | 60.4% | 69.7% | 48.0% |
| Married but Separated | 0.4% | 0.7% | 1.8% |
| Single Population | 39.2% | 29.6% | 50.2% |
| Never Married | 27.4% | 20.0% | 33.8% |
| Divorced | 7.4% | 6.2% | 10.8% |
| Widowed | 4.4% | 3.4% | 5.6% |
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| Household Size | 2.96 | 2.79 | 2.60 |
| Households | 30,618 | 17,344 | 124,010,992 |
| Family Households | 24,073 | 13,923 | 80,755,759 |
| Married couple, w/children | 42.7% | 48.8% | 30.5% |
| Married couple, no children | 44.0% | 42.1% | 42.9% |
| Non Family Households | 6,545 | 3,421 | 43,255,233 |
| Single householder, w/children | 6.8% | 7.4% | 15.8% |
| Single householder, no children | 6.5% | 1.7% | 10.8% |