| | Boyne City, MI | Marquette, MI | United States |
| Population | 3,819 | 20,561 | 329,725,481 |
| Female Population | 53.0% | 49.3% | 50.5% |
| Male Population | 47.0% | 50.7% | 49.5% |
| Median Age | 43.3 | 30.2 | 38.4 |
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| Population - 2010 | 3,718 | 21,357 | 309,327,143 |
| Population - 2000 | 3,503 | 19,661 | 285,036,114 |
| Population - 1990 | 3,478 | 21,977 | 251,960,433 |
| Pop. 2000 to Now | 6.1% | 3.3% | 15.6% |
| Pop. 1990 to Now | 6.9% | -7.6% | 30.8% |
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| Population Density | 956.9 | 1,813.6 | 93.4 |
| Land Area | 4.0 | 11.3 | 3,531,905.4 |
| Water Area | 1.4 | 8.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Boyne City, MI | Marquette, MI | United States |
| Age 0 to 4 | 3.6% | 3.4% | 5.9% |
| Age 5 to 9 | 4.2% | 3.1% | 6.1% |
| Age 10 to 14 | 7.8% | 2.9% | 6.6% |
| Age 15 to 17 | 2.9% | 1.8% | 3.9% |
| Age 18 to 20 | 6.1% | 12.9% | 4.0% |
| Age 21 to 24 | 2.8% | 17.4% | 5.2% |
| Age 25 to 34 | 11.9% | 14.4% | 13.8% |
| Age 35 to 44 | 12.2% | 8.5% | 12.9% |
| Age 45 to 54 | 8.7% | 9.6% | 12.6% |
| Age 55 to 59 | 5.1% | 5.3% | 6.7% |
| Age 60 to 64 | 10.2% | 5.0% | 6.3% |
| Age 65 to 74 | 15.2% | 9.1% | 9.6% |
| Age 75 to 84 | 7.7% | 4.4% | 4.5% |
| Age 85 and over | 1.7% | 2.3% | 1.9% |
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| Race | | | |
| | Boyne City, MI | Marquette, MI | United States |
| White | 93.6% | 89.1% | 59.4% |
| Black | 0.3% | 3.5% | 12.2% |
| Asian | 0.8% | 0.4% | 5.6% |
| Native American | 0.3% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.1% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.8% | 3.8% | 3.2% |
| Hispanic | 2.0% | 2.5% | 18.4% |
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| Marriage & Family | | | |
| | Boyne City, MI | Marquette, MI | United States |
| Married Population | 49.7% | 30.1% | 49.8% |
| Currently Married | 49.7% | 29.8% | 48.0% |
| Married but Separated | 0.0% | 0.3% | 1.8% |
| Single Population | 50.3% | 69.9% | 50.2% |
| Never Married | 30.0% | 55.8% | 33.8% |
| Divorced | 15.8% | 9.2% | 10.8% |
| Widowed | 4.6% | 4.9% | 5.6% |
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| Household Size | 2.08 | 2.17 | 2.60 |
| Households | 1,827 | 8,163 | 124,010,992 |
| Family Households | 1,033 | 3,651 | 80,755,759 |
| Married couple, w/children | 19.5% | 18.9% | 30.5% |
| Married couple, no children | 55.6% | 52.6% | 42.9% |
| Non Family Households | 794 | 4,512 | 43,255,233 |
| Single householder, w/children | 13.7% | 16.5% | 15.8% |
| Single householder, no children | 11.3% | 12.0% | 10.8% |