| | Rochester Hills, MI | Grosse Pointe Park, MI | United States |
| Population | 75,990 | 11,529 | 329,725,481 |
| Female Population | 50.9% | 53.1% | 50.5% |
| Male Population | 49.1% | 46.9% | 49.5% |
| Median Age | 40.8 | 42.2 | 38.4 |
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| Population - 2010 | 71,039 | 11,525 | 309,327,143 |
| Population - 2000 | 68,825 | 12,443 | 285,036,114 |
| Population - 1990 | 61,766 | 12,857 | 251,960,433 |
| Pop. 2000 to Now | 7.7% | -11.8% | 15.6% |
| Pop. 1990 to Now | 20.0% | -14.7% | 30.8% |
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| Population Density | 2,316.5 | 5,322.7 | 93.4 |
| Land Area | 32.8 | 2.2 | 3,531,905.4 |
| Water Area | 0.1 | 1.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Rochester Hills, MI | Grosse Pointe Park, MI | United States |
| Age 0 to 4 | 5.3% | 5.3% | 5.9% |
| Age 5 to 9 | 6.8% | 4.6% | 6.1% |
| Age 10 to 14 | 6.5% | 6.9% | 6.6% |
| Age 15 to 17 | 4.2% | 4.2% | 3.9% |
| Age 18 to 20 | 4.2% | 2.9% | 4.0% |
| Age 21 to 24 | 4.2% | 4.8% | 5.2% |
| Age 25 to 34 | 10.5% | 11.7% | 13.8% |
| Age 35 to 44 | 14.2% | 12.9% | 12.9% |
| Age 45 to 54 | 13.6% | 13.9% | 12.6% |
| Age 55 to 59 | 6.8% | 7.3% | 6.7% |
| Age 60 to 64 | 6.9% | 9.6% | 6.3% |
| Age 65 to 74 | 10.1% | 11.1% | 9.6% |
| Age 75 to 84 | 4.6% | 3.6% | 4.5% |
| Age 85 and over | 2.0% | 1.2% | 1.9% |
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| Race | | | |
| | Rochester Hills, MI | Grosse Pointe Park, MI | United States |
| White | 76.0% | 82.8% | 59.4% |
| Black | 3.2% | 6.9% | 12.2% |
| Asian | 12.8% | 1.9% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 1.1% | 0.4% |
| Two or More Races | 3.1% | 5.1% | 3.2% |
| Hispanic | 4.6% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | Rochester Hills, MI | Grosse Pointe Park, MI | United States |
| Married Population | 59.4% | 62.1% | 49.8% |
| Currently Married | 58.8% | 62.1% | 48.0% |
| Married but Separated | 0.5% | 0.1% | 1.8% |
| Single Population | 40.6% | 37.9% | 50.2% |
| Never Married | 26.8% | 28.0% | 33.8% |
| Divorced | 9.1% | 6.8% | 10.8% |
| Widowed | 4.8% | 3.0% | 5.6% |
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| Household Size | 2.56 | 2.51 | 2.60 |
| Households | 28,941 | 4,597 | 124,010,992 |
| Family Households | 20,801 | 3,401 | 80,755,759 |
| Married couple, w/children | 38.0% | 30.6% | 30.5% |
| Married couple, no children | 47.9% | 54.0% | 42.9% |
| Non Family Households | 8,140 | 1,196 | 43,255,233 |
| Single householder, w/children | 6.8% | 9.4% | 15.8% |
| Single householder, no children | 7.3% | 5.9% | 10.8% |