| | Mio, MI | Munising township, MI | United States |
| Population | 1,497 | 2,860 | 329,725,481 |
| Female Population | 51.7% | 32.3% | 50.5% |
| Male Population | 48.3% | 67.7% | 49.5% |
| Median Age | 43.1 | 45.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,204 | 2,985 | 309,327,143 |
| Population - 2000 | 2,016 | 3,125 | 285,036,114 |
| Population - 1990 | 1,886 | 2,193 | 251,960,433 |
| Pop. 2000 to Now | -5.5% | -8.8% | 15.6% |
| Pop. 1990 to Now | 1.0% | 30.0% | 30.8% |
| space4 | | | |
| Population Density | 178.9 | 14.1 | 93.4 |
| Land Area | 8.4 | 202.2 | 3,531,905.4 |
| Water Area | 0.6 | 15.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mio, MI | Munising township, MI | United States |
| Age 0 to 4 | 3.9% | 1.8% | 5.9% |
| Age 5 to 9 | 4.2% | 2.5% | 6.1% |
| Age 10 to 14 | 8.2% | 3.3% | 6.6% |
| Age 15 to 17 | 5.6% | 1.9% | 3.9% |
| Age 18 to 20 | 3.1% | 3.7% | 4.0% |
| Age 21 to 24 | 3.0% | 8.4% | 5.2% |
| Age 25 to 34 | 12.2% | 14.3% | 13.8% |
| Age 35 to 44 | 13.0% | 13.4% | 12.9% |
| Age 45 to 54 | 7.7% | 15.1% | 12.6% |
| Age 55 to 59 | 14.8% | 6.0% | 6.7% |
| Age 60 to 64 | 6.1% | 4.7% | 6.3% |
| Age 65 to 74 | 8.7% | 18.0% | 9.6% |
| Age 75 to 84 | 8.0% | 5.3% | 4.5% |
| Age 85 and over | 1.5% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mio, MI | Munising township, MI | United States |
| White | 92.0% | 68.5% | 59.4% |
| Black | 1.1% | 21.2% | 12.2% |
| Asian | 0.2% | 0.4% | 5.6% |
| Native American | 0.5% | 5.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.4% | 2.8% | 3.2% |
| Hispanic | 2.7% | 1.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mio, MI | Munising township, MI | United States |
| Married Population | 36.9% | 43.1% | 49.8% |
| Currently Married | 34.4% | 39.7% | 48.0% |
| Married but Separated | 2.5% | 3.4% | 1.8% |
| Single Population | 63.1% | 56.9% | 50.2% |
| Never Married | 36.6% | 38.1% | 33.8% |
| Divorced | 19.7% | 11.7% | 10.8% |
| Widowed | 6.8% | 7.0% | 5.6% |
| space5 | | | |
| Household Size | 2.49 | 2.70 | 2.60 |
| Households | 598 | 726 | 124,010,992 |
| Family Households | 372 | 520 | 80,755,759 |
| Married couple, w/children | 16.9% | 15.0% | 30.5% |
| Married couple, no children | 38.7% | 70.2% | 42.9% |
| Non Family Households | 226 | 206 | 43,255,233 |
| Single householder, w/children | 27.4% | 3.8% | 15.8% |
| Single householder, no children | 16.9% | 11.0% | 10.8% |