| | Harbor Springs, MI | Farmington Hills, MI | United States |
| Population | 1,088 | 83,749 | 329,725,481 |
| Female Population | 52.3% | 50.5% | 50.5% |
| Male Population | 47.7% | 49.5% | 49.5% |
| Median Age | 62.2 | 42.1 | 38.4 |
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| Population - 2010 | 1,189 | 79,762 | 309,327,143 |
| Population - 2000 | 1,567 | 82,111 | 285,036,114 |
| Population - 1990 | 1,540 | 74,652 | 251,960,433 |
| Pop. 2000 to Now | -23.2% | -2.6% | 15.6% |
| Pop. 1990 to Now | -21.9% | 7.2% | 30.8% |
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| Population Density | 842.1 | 2,517.3 | 93.4 |
| Land Area | 1.3 | 33.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Harbor Springs, MI | Farmington Hills, MI | United States |
| Age 0 to 4 | 1.8% | 4.8% | 5.9% |
| Age 5 to 9 | 2.3% | 4.6% | 6.1% |
| Age 10 to 14 | 3.5% | 5.2% | 6.6% |
| Age 15 to 17 | 2.3% | 3.6% | 3.9% |
| Age 18 to 20 | 0.6% | 2.6% | 4.0% |
| Age 21 to 24 | 0.7% | 5.1% | 5.2% |
| Age 25 to 34 | 5.9% | 14.9% | 13.8% |
| Age 35 to 44 | 9.0% | 12.1% | 12.9% |
| Age 45 to 54 | 10.1% | 13.6% | 12.6% |
| Age 55 to 59 | 8.9% | 6.7% | 6.7% |
| Age 60 to 64 | 11.1% | 7.1% | 6.3% |
| Age 65 to 74 | 22.5% | 11.5% | 9.6% |
| Age 75 to 84 | 15.1% | 5.2% | 4.5% |
| Age 85 and over | 6.1% | 3.0% | 1.9% |
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| Race | | | |
| | Harbor Springs, MI | Farmington Hills, MI | United States |
| White | 87.1% | 60.9% | 59.4% |
| Black | 0.0% | 17.9% | 12.2% |
| Asian | 0.0% | 14.4% | 5.6% |
| Native American | 1.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 8.1% | 4.0% | 3.2% |
| Hispanic | 3.3% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | Harbor Springs, MI | Farmington Hills, MI | United States |
| Married Population | 53.3% | 52.9% | 49.8% |
| Currently Married | 52.9% | 51.7% | 48.0% |
| Married but Separated | 0.4% | 1.2% | 1.8% |
| Single Population | 46.7% | 47.1% | 50.2% |
| Never Married | 15.5% | 32.4% | 33.8% |
| Divorced | 17.5% | 9.0% | 10.8% |
| Widowed | 13.6% | 5.7% | 5.6% |
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| Household Size | 1.94 | 2.33 | 2.60 |
| Households | 507 | 35,628 | 124,010,992 |
| Family Households | 267 | 21,725 | 80,755,759 |
| Married couple, w/children | 12.0% | 31.4% | 30.5% |
| Married couple, no children | 70.4% | 49.1% | 42.9% |
| Non Family Households | 240 | 13,903 | 43,255,233 |
| Single householder, w/children | 9.0% | 8.9% | 15.8% |
| Single householder, no children | 8.6% | 10.6% | 10.8% |