| | Sebeka, MN | Grand Marais, MN | United States |
| Population | 809 | 1,596 | 329,725,481 |
| Female Population | 50.8% | 44.4% | 50.5% |
| Male Population | 49.2% | 55.6% | 49.5% |
| Median Age | 39.8 | 45.8 | 38.4 |
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| Population - 2010 | 709 | 1,342 | 309,327,143 |
| Population - 2000 | 710 | 1,353 | 285,036,114 |
| Population - 1990 | 662 | 1,171 | 251,960,433 |
| Pop. 2000 to Now | -5.9% | -0.9% | 15.6% |
| Pop. 1990 to Now | 0.9% | 14.5% | 30.8% |
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| Population Density | 327.8 | 548.6 | 93.4 |
| Land Area | 2.5 | 2.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sebeka, MN | Grand Marais, MN | United States |
| Age 0 to 4 | 10.5% | 6.6% | 5.9% |
| Age 5 to 9 | 5.2% | 4.3% | 6.1% |
| Age 10 to 14 | 7.4% | 3.9% | 6.6% |
| Age 15 to 17 | 3.7% | 1.4% | 3.9% |
| Age 18 to 20 | 4.0% | 1.9% | 4.0% |
| Age 21 to 24 | 6.6% | 2.9% | 5.2% |
| Age 25 to 34 | 9.3% | 15.4% | 13.8% |
| Age 35 to 44 | 14.1% | 10.7% | 12.9% |
| Age 45 to 54 | 4.5% | 14.2% | 12.6% |
| Age 55 to 59 | 7.4% | 7.1% | 6.7% |
| Age 60 to 64 | 5.9% | 6.8% | 6.3% |
| Age 65 to 74 | 16.3% | 15.3% | 9.6% |
| Age 75 to 84 | 3.1% | 5.0% | 4.5% |
| Age 85 and over | 2.1% | 4.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sebeka, MN | Grand Marais, MN | United States |
| White | 97.7% | 88.4% | 59.4% |
| Black | 0.0% | 0.1% | 12.2% |
| Asian | 0.2% | 0.0% | 5.6% |
| Native American | 0.0% | 2.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 3.9% | 3.2% |
| Hispanic | 0.0% | 4.7% | 18.4% |
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| Marriage & Family | | | |
| | Sebeka, MN | Grand Marais, MN | United States |
| Married Population | 43.7% | 52.9% | 49.8% |
| Currently Married | 43.2% | 52.6% | 48.0% |
| Married but Separated | 0.5% | 0.3% | 1.8% |
| Single Population | 56.3% | 47.1% | 50.2% |
| Never Married | 31.4% | 21.9% | 33.8% |
| Divorced | 19.5% | 16.5% | 10.8% |
| Widowed | 5.5% | 8.8% | 5.6% |
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| Household Size | 2.43 | 2.17 | 2.60 |
| Households | 333 | 719 | 124,010,992 |
| Family Households | 211 | 374 | 80,755,759 |
| Married couple, w/children | 22.7% | 33.7% | 30.5% |
| Married couple, no children | 39.3% | 56.2% | 42.9% |
| Non Family Households | 122 | 345 | 43,255,233 |
| Single householder, w/children | 28.0% | 7.8% | 15.8% |
| Single householder, no children | 10.0% | 2.4% | 10.8% |