| | Mancelona, MI | Cadillac, MI | United States |
| Population | 1,555 | 10,317 | 329,725,481 |
| Female Population | 54.1% | 50.2% | 50.5% |
| Male Population | 45.9% | 49.8% | 49.5% |
| Median Age | 31.2 | 39.7 | 38.4 |
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| Population - 2010 | 1,389 | 10,354 | 309,327,143 |
| Population - 2000 | 1,408 | 10,000 | 285,036,114 |
| Population - 1990 | 1,370 | 10,104 | 251,960,433 |
| Pop. 2000 to Now | -2.3% | 5.2% | 15.6% |
| Pop. 1990 to Now | 0.4% | 4.1% | 30.8% |
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| Population Density | 1,550.4 | 1,462.4 | 93.4 |
| Land Area | 1.0 | 7.1 | 3,531,905.4 |
| Water Area | 0.0 | 1.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mancelona, MI | Cadillac, MI | United States |
| Age 0 to 4 | 8.9% | 6.8% | 5.9% |
| Age 5 to 9 | 6.8% | 7.0% | 6.1% |
| Age 10 to 14 | 8.4% | 4.7% | 6.6% |
| Age 15 to 17 | 6.4% | 2.6% | 3.9% |
| Age 18 to 20 | 5.3% | 1.4% | 4.0% |
| Age 21 to 24 | 6.4% | 5.5% | 5.2% |
| Age 25 to 34 | 14.3% | 15.5% | 13.8% |
| Age 35 to 44 | 9.6% | 11.6% | 12.9% |
| Age 45 to 54 | 11.1% | 12.0% | 12.6% |
| Age 55 to 59 | 8.7% | 4.3% | 6.7% |
| Age 60 to 64 | 4.6% | 8.6% | 6.3% |
| Age 65 to 74 | 6.3% | 11.2% | 9.6% |
| Age 75 to 84 | 2.4% | 4.6% | 4.5% |
| Age 85 and over | 0.7% | 4.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mancelona, MI | Cadillac, MI | United States |
| White | 93.3% | 93.9% | 59.4% |
| Black | 0.1% | 1.7% | 12.2% |
| Asian | 0.4% | 0.0% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.7% | 2.3% | 3.2% |
| Hispanic | 3.5% | 2.1% | 18.4% |
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| Marriage & Family | | | |
| | Mancelona, MI | Cadillac, MI | United States |
| Married Population | 41.0% | 43.6% | 49.8% |
| Currently Married | 36.6% | 41.4% | 48.0% |
| Married but Separated | 4.4% | 2.2% | 1.8% |
| Single Population | 59.0% | 56.4% | 50.2% |
| Never Married | 41.6% | 31.2% | 33.8% |
| Divorced | 14.9% | 16.8% | 10.8% |
| Widowed | 2.5% | 8.4% | 5.6% |
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| Household Size | 2.65 | 2.29 | 2.60 |
| Households | 584 | 4,430 | 124,010,992 |
| Family Households | 372 | 2,372 | 80,755,759 |
| Married couple, w/children | 32.3% | 23.3% | 30.5% |
| Married couple, no children | 26.9% | 44.1% | 42.9% |
| Non Family Households | 212 | 2,058 | 43,255,233 |
| Single householder, w/children | 29.8% | 18.9% | 15.8% |
| Single householder, no children | 11.0% | 13.8% | 10.8% |