| | Crystal Falls township, MI | Dassel, MN | United States |
| Population | 1,535 | 1,349 | 329,725,481 |
| Female Population | 47.6% | 50.6% | 50.5% |
| Male Population | 52.4% | 49.4% | 49.5% |
| Median Age | 62.9 | 43.7 | 38.4 |
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| Population - 2010 | 1,747 | 1,461 | 309,327,143 |
| Population - 2000 | 1,722 | 1,233 | 285,036,114 |
| Population - 1990 | 1,614 | 1,082 | 251,960,433 |
| Pop. 2000 to Now | -4.1% | 19.4% | 15.6% |
| Pop. 1990 to Now | 2.3% | 36.0% | 30.8% |
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| Population Density | 6.7 | 818.6 | 93.4 |
| Land Area | 228.4 | 1.6 | 3,531,905.4 |
| Water Area | 7.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Crystal Falls township, MI | Dassel, MN | United States |
| Age 0 to 4 | 2.2% | 6.2% | 5.9% |
| Age 5 to 9 | 3.3% | 6.8% | 6.1% |
| Age 10 to 14 | 2.2% | 5.9% | 6.6% |
| Age 15 to 17 | 1.0% | 5.0% | 3.9% |
| Age 18 to 20 | 2.7% | 3.0% | 4.0% |
| Age 21 to 24 | 1.6% | 3.9% | 5.2% |
| Age 25 to 34 | 5.0% | 13.3% | 13.8% |
| Age 35 to 44 | 8.6% | 7.6% | 12.9% |
| Age 45 to 54 | 8.5% | 11.5% | 12.6% |
| Age 55 to 59 | 8.5% | 7.0% | 6.7% |
| Age 60 to 64 | 11.9% | 5.8% | 6.3% |
| Age 65 to 74 | 22.7% | 13.9% | 9.6% |
| Age 75 to 84 | 9.8% | 6.8% | 4.5% |
| Age 85 and over | 12.1% | 3.4% | 1.9% |
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| Race | | | |
| | Crystal Falls township, MI | Dassel, MN | United States |
| White | 94.3% | 93.3% | 59.4% |
| Black | 0.7% | 0.0% | 12.2% |
| Asian | 0.6% | 0.9% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 5.1% | 3.2% |
| Hispanic | 2.7% | 0.7% | 18.4% |
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| Marriage & Family | | | |
| | Crystal Falls township, MI | Dassel, MN | United States |
| Married Population | 53.9% | 47.8% | 49.8% |
| Currently Married | 48.5% | 46.9% | 48.0% |
| Married but Separated | 5.4% | 0.8% | 1.8% |
| Single Population | 46.1% | 52.2% | 50.2% |
| Never Married | 19.8% | 21.5% | 33.8% |
| Divorced | 11.2% | 15.5% | 10.8% |
| Widowed | 15.1% | 15.3% | 5.6% |
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| Household Size | 1.85 | 2.39 | 2.60 |
| Households | 739 | 539 | 124,010,992 |
| Family Households | 364 | 296 | 80,755,759 |
| Married couple, w/children | 12.1% | 40.5% | 30.5% |
| Married couple, no children | 75.8% | 44.9% | 42.9% |
| Non Family Households | 375 | 243 | 43,255,233 |
| Single householder, w/children | 2.7% | 9.8% | 15.8% |
| Single householder, no children | 9.3% | 4.7% | 10.8% |