| | Sandstone, MN | Holderness, NH | United States |
| Population | 2,646 | 2,082 | 329,725,481 |
| Female Population | 33.1% | 58.0% | 50.5% |
| Male Population | 66.9% | 42.0% | 49.5% |
| Median Age | 39.8 | 47.2 | 38.4 |
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| Population - 2010 | 2,838 | 2,115 | 309,327,143 |
| Population - 2000 | 1,549 | 1,930 | 285,036,114 |
| Population - 1990 | 2,057 | 1,694 | 251,960,433 |
| Pop. 2000 to Now | 64.9% | 10.4% | 15.6% |
| Pop. 1990 to Now | 24.2% | 25.8% | 30.8% |
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| Population Density | 501.8 | 68.3 | 93.4 |
| Land Area | 5.3 | 30.5 | 3,531,905.4 |
| Water Area | 0.2 | 5.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sandstone, MN | Holderness, NH | United States |
| Age 0 to 4 | 4.2% | 1.0% | 5.9% |
| Age 5 to 9 | 3.3% | 6.3% | 6.1% |
| Age 10 to 14 | 3.7% | 5.8% | 6.6% |
| Age 15 to 17 | 2.1% | 2.2% | 3.9% |
| Age 18 to 20 | 3.0% | 3.6% | 4.0% |
| Age 21 to 24 | 6.1% | 9.4% | 5.2% |
| Age 25 to 34 | 17.9% | 8.3% | 13.8% |
| Age 35 to 44 | 20.6% | 12.3% | 12.9% |
| Age 45 to 54 | 15.3% | 10.4% | 12.6% |
| Age 55 to 59 | 8.8% | 9.0% | 6.7% |
| Age 60 to 64 | 2.9% | 5.8% | 6.3% |
| Age 65 to 74 | 4.7% | 14.0% | 9.6% |
| Age 75 to 84 | 3.5% | 9.1% | 4.5% |
| Age 85 and over | 3.9% | 2.8% | 1.9% |
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| Race | | | |
| | Sandstone, MN | Holderness, NH | United States |
| White | 67.8% | 92.4% | 59.4% |
| Black | 10.7% | 0.5% | 12.2% |
| Asian | 1.3% | 1.7% | 5.6% |
| Native American | 4.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 3.5% | 3.2% | 3.2% |
| Hispanic | 12.1% | 2.3% | 18.4% |
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| Marriage & Family | | | |
| | Sandstone, MN | Holderness, NH | United States |
| Married Population | 26.8% | 44.6% | 49.8% |
| Currently Married | 22.0% | 42.8% | 48.0% |
| Married but Separated | 4.8% | 1.9% | 1.8% |
| Single Population | 73.2% | 55.4% | 50.2% |
| Never Married | 45.4% | 34.3% | 33.8% |
| Divorced | 19.7% | 12.9% | 10.8% |
| Widowed | 8.1% | 8.2% | 5.6% |
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| Household Size | 2.63 | 2.47 | 2.60 |
| Households | 587 | 810 | 124,010,992 |
| Family Households | 286 | 456 | 80,755,759 |
| Married couple, w/children | 26.9% | 28.5% | 30.5% |
| Married couple, no children | 36.4% | 55.3% | 42.9% |
| Non Family Households | 301 | 354 | 43,255,233 |
| Single householder, w/children | 30.4% | 9.4% | 15.8% |
| Single householder, no children | 6.3% | 6.8% | 10.8% |