| | Rochester, MI | Grand Haven, MI | United States |
| Population | 13,048 | 10,935 | 329,725,481 |
| Female Population | 51.4% | 53.3% | 50.5% |
| Male Population | 48.7% | 46.8% | 49.5% |
| Median Age | 39.4 | 41.8 | 38.4 |
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| Population - 2010 | 12,718 | 10,365 | 309,327,143 |
| Population - 2000 | 10,467 | 11,168 | 285,036,114 |
| Population - 1990 | 7,130 | 11,951 | 251,960,433 |
| Pop. 2000 to Now | 26.1% | -1.2% | 15.6% |
| Pop. 1990 to Now | 85.2% | -7.6% | 30.8% |
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| Population Density | 3,405.9 | 1,913.4 | 93.4 |
| Land Area | 3.8 | 5.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Rochester, MI | Grand Haven, MI | United States |
| Age 0 to 4 | 6.6% | 4.8% | 5.9% |
| Age 5 to 9 | 7.0% | 7.1% | 6.1% |
| Age 10 to 14 | 7.0% | 5.0% | 6.6% |
| Age 15 to 17 | 3.2% | 2.2% | 3.9% |
| Age 18 to 20 | 3.6% | 4.0% | 4.0% |
| Age 21 to 24 | 4.5% | 2.8% | 5.2% |
| Age 25 to 34 | 11.9% | 17.5% | 13.8% |
| Age 35 to 44 | 14.0% | 10.9% | 12.9% |
| Age 45 to 54 | 15.6% | 10.5% | 12.6% |
| Age 55 to 59 | 9.0% | 7.2% | 6.7% |
| Age 60 to 64 | 4.0% | 5.0% | 6.3% |
| Age 65 to 74 | 6.9% | 12.6% | 9.6% |
| Age 75 to 84 | 5.1% | 5.1% | 4.5% |
| Age 85 and over | 1.7% | 5.2% | 1.9% |
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| Race | | | |
| | Rochester, MI | Grand Haven, MI | United States |
| White | 84.9% | 91.3% | 59.4% |
| Black | 1.8% | 0.3% | 12.2% |
| Asian | 6.1% | 0.6% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 4.8% | 2.5% | 3.2% |
| Hispanic | 2.3% | 4.8% | 18.4% |
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| Marriage & Family | | | |
| | Rochester, MI | Grand Haven, MI | United States |
| Married Population | 58.9% | 51.5% | 49.8% |
| Currently Married | 58.1% | 51.2% | 48.0% |
| Married but Separated | 0.9% | 0.4% | 1.8% |
| Single Population | 41.1% | 48.5% | 50.2% |
| Never Married | 26.9% | 25.8% | 33.8% |
| Divorced | 7.9% | 14.8% | 10.8% |
| Widowed | 6.2% | 7.9% | 5.6% |
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| Household Size | 2.43 | 2.15 | 2.60 |
| Households | 5,370 | 5,007 | 124,010,992 |
| Family Households | 3,486 | 3,152 | 80,755,759 |
| Married couple, w/children | 36.9% | 24.9% | 30.5% |
| Married couple, no children | 47.6% | 44.8% | 42.9% |
| Non Family Households | 1,884 | 1,855 | 43,255,233 |
| Single householder, w/children | 8.4% | 16.2% | 15.8% |
| Single householder, no children | 7.1% | 14.1% | 10.8% |