| | Leland township, MI | Mancelona township, MI | United States |
| Population | 1,904 | 4,322 | 329,725,481 |
| Female Population | 48.6% | 48.3% | 50.5% |
| Male Population | 51.4% | 51.7% | 49.5% |
| Median Age | 57.4 | 39.5 | 38.4 |
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| Population - 2010 | 2,044 | 4,388 | 309,327,143 |
| Population - 2000 | 2,033 | 4,100 | 285,036,114 |
| Population - 1990 | 1,642 | 3,173 | 251,960,433 |
| Pop. 2000 to Now | 0.4% | 7.4% | 15.6% |
| Pop. 1990 to Now | 24.3% | 38.8% | 30.8% |
| space4 | | | |
| Population Density | 42.0 | 60.8 | 93.4 |
| Land Area | 45.4 | 71.1 | 3,531,905.4 |
| Water Area | 101.2 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Leland township, MI | Mancelona township, MI | United States |
| Age 0 to 4 | 1.8% | 6.3% | 5.9% |
| Age 5 to 9 | 5.0% | 5.4% | 6.1% |
| Age 10 to 14 | 4.9% | 5.8% | 6.6% |
| Age 15 to 17 | 5.7% | 5.3% | 3.9% |
| Age 18 to 20 | 2.6% | 4.0% | 4.0% |
| Age 21 to 24 | 5.7% | 5.5% | 5.2% |
| Age 25 to 34 | 2.6% | 13.5% | 13.8% |
| Age 35 to 44 | 8.6% | 9.8% | 12.9% |
| Age 45 to 54 | 10.3% | 10.3% | 12.6% |
| Age 55 to 59 | 7.5% | 7.8% | 6.7% |
| Age 60 to 64 | 12.6% | 11.8% | 6.3% |
| Age 65 to 74 | 17.3% | 8.7% | 9.6% |
| Age 75 to 84 | 11.0% | 4.6% | 4.5% |
| Age 85 and over | 4.5% | 1.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Leland township, MI | Mancelona township, MI | United States |
| White | 90.7% | 93.7% | 59.4% |
| Black | 0.4% | 0.0% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 1.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.0% | 0.0% | 0.4% |
| Two or More Races | 1.2% | 1.6% | 3.2% |
| Hispanic | 6.8% | 3.0% | 18.4% |
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| Marriage & Family | | | |
| | Leland township, MI | Mancelona township, MI | United States |
| Married Population | 53.3% | 50.5% | 49.8% |
| Currently Married | 53.3% | 47.9% | 48.0% |
| Married but Separated | 0.0% | 2.6% | 1.8% |
| Single Population | 46.7% | 49.5% | 50.2% |
| Never Married | 18.3% | 33.6% | 33.8% |
| Divorced | 18.4% | 12.0% | 10.8% |
| Widowed | 10.1% | 3.9% | 5.6% |
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| Household Size | 2.52 | 2.50 | 2.60 |
| Households | 750 | 1,721 | 124,010,992 |
| Family Households | 522 | 1,139 | 80,755,759 |
| Married couple, w/children | 23.2% | 23.5% | 30.5% |
| Married couple, no children | 61.7% | 47.8% | 42.9% |
| Non Family Households | 228 | 582 | 43,255,233 |
| Single householder, w/children | 3.8% | 20.5% | 15.8% |
| Single householder, no children | 11.3% | 8.3% | 10.8% |