| | Macomb, MI | Sterling Heights, MI | United States |
| Population | 90,818 | 134,062 | 329,725,481 |
| Female Population | 50.6% | 51.0% | 50.5% |
| Male Population | 49.4% | 49.0% | 49.5% |
| Median Age | 39.5 | 41.3 | 38.4 |
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| Population - 2010 | 79,675 | 129,709 | 309,327,143 |
| Population - 2000 | 50,478 | 124,471 | 285,036,114 |
| Population - 1990 | 22,714 | 117,810 | 251,960,433 |
| Pop. 2000 to Now | 82.5% | 5.8% | 15.6% |
| Pop. 1990 to Now | 305.6% | 11.8% | 30.8% |
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| Population Density | 2,507.0 | 3,680.0 | 93.4 |
| Land Area | 36.2 | 36.4 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Macomb, MI | Sterling Heights, MI | United States |
| Age 0 to 4 | 5.7% | 5.4% | 5.9% |
| Age 5 to 9 | 7.2% | 5.4% | 6.1% |
| Age 10 to 14 | 7.1% | 5.2% | 6.6% |
| Age 15 to 17 | 5.6% | 3.6% | 3.9% |
| Age 18 to 20 | 4.3% | 3.0% | 4.0% |
| Age 21 to 24 | 4.8% | 5.5% | 5.2% |
| Age 25 to 34 | 9.8% | 14.7% | 13.8% |
| Age 35 to 44 | 13.1% | 10.8% | 12.9% |
| Age 45 to 54 | 17.0% | 14.1% | 12.6% |
| Age 55 to 59 | 6.5% | 7.4% | 6.7% |
| Age 60 to 64 | 6.0% | 7.0% | 6.3% |
| Age 65 to 74 | 8.1% | 10.3% | 9.6% |
| Age 75 to 84 | 3.7% | 5.1% | 4.5% |
| Age 85 and over | 1.2% | 2.4% | 1.9% |
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| Race | | | |
| | Macomb, MI | Sterling Heights, MI | United States |
| White | 87.7% | 81.0% | 59.4% |
| Black | 4.7% | 5.8% | 12.2% |
| Asian | 3.1% | 7.7% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 1.8% | 2.5% | 3.2% |
| Hispanic | 2.4% | 2.5% | 18.4% |
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| Marriage & Family | | | |
| | Macomb, MI | Sterling Heights, MI | United States |
| Married Population | 60.8% | 53.4% | 49.8% |
| Currently Married | 60.4% | 52.4% | 48.0% |
| Married but Separated | 0.4% | 1.0% | 1.8% |
| Single Population | 39.2% | 46.6% | 50.2% |
| Never Married | 27.4% | 30.7% | 33.8% |
| Divorced | 7.4% | 8.9% | 10.8% |
| Widowed | 4.4% | 6.9% | 5.6% |
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| Household Size | 2.96 | 2.61 | 2.60 |
| Households | 30,618 | 51,129 | 124,010,992 |
| Family Households | 24,073 | 35,031 | 80,755,759 |
| Married couple, w/children | 42.7% | 30.0% | 30.5% |
| Married couple, no children | 44.0% | 46.8% | 42.9% |
| Non Family Households | 6,545 | 16,098 | 43,255,233 |
| Single householder, w/children | 6.8% | 9.6% | 15.8% |
| Single householder, no children | 6.5% | 13.6% | 10.8% |