| | Sanbornton, NH | New Hampton, NH | United States |
| Population | 3,036 | 2,572 | 329,725,481 |
| Female Population | 46.3% | 48.9% | 50.5% |
| Male Population | 53.7% | 51.1% | 49.5% |
| Median Age | 46.8 | 46.8 | 38.4 |
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| Population - 2010 | 2,975 | 2,164 | 309,327,143 |
| Population - 2000 | 2,581 | 1,950 | 285,036,114 |
| Population - 1990 | 2,136 | 1,606 | 251,960,433 |
| Pop. 2000 to Now | 16.7% | 14.6% | 15.6% |
| Pop. 1990 to Now | 41.0% | 39.1% | 30.8% |
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| Population Density | 63.7 | 70.1 | 93.4 |
| Land Area | 47.7 | 36.7 | 3,531,905.4 |
| Water Area | 2.2 | 1.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sanbornton, NH | New Hampton, NH | United States |
| Age 0 to 4 | 2.4% | 3.0% | 5.9% |
| Age 5 to 9 | 5.0% | 3.0% | 6.1% |
| Age 10 to 14 | 7.7% | 7.2% | 6.6% |
| Age 15 to 17 | 3.0% | 3.5% | 3.9% |
| Age 18 to 20 | 5.0% | 0.5% | 4.0% |
| Age 21 to 24 | 0.3% | 4.5% | 5.2% |
| Age 25 to 34 | 13.4% | 14.0% | 13.8% |
| Age 35 to 44 | 8.0% | 11.0% | 12.9% |
| Age 45 to 54 | 14.9% | 16.7% | 12.6% |
| Age 55 to 59 | 12.7% | 3.5% | 6.7% |
| Age 60 to 64 | 8.7% | 9.5% | 6.3% |
| Age 65 to 74 | 13.4% | 15.9% | 9.6% |
| Age 75 to 84 | 4.0% | 6.6% | 4.5% |
| Age 85 and over | 1.5% | 1.1% | 1.9% |
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| Race | | | |
| | Sanbornton, NH | New Hampton, NH | United States |
| White | 95.0% | 94.5% | 59.4% |
| Black | 1.4% | 2.6% | 12.2% |
| Asian | 0.9% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 2.5% | 3.2% |
| Hispanic | 0.2% | 0.4% | 18.4% |
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| Marriage & Family | | | |
| | Sanbornton, NH | New Hampton, NH | United States |
| Married Population | 56.2% | 57.8% | 49.8% |
| Currently Married | 55.5% | 57.5% | 48.0% |
| Married but Separated | 0.8% | 0.3% | 1.8% |
| Single Population | 43.8% | 42.2% | 50.2% |
| Never Married | 26.1% | 29.2% | 33.8% |
| Divorced | 14.1% | 9.8% | 10.8% |
| Widowed | 3.5% | 3.2% | 5.6% |
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| Household Size | 2.70 | 2.65 | 2.60 |
| Households | 1,121 | 941 | 124,010,992 |
| Family Households | 785 | 687 | 80,755,759 |
| Married couple, w/children | 32.9% | 30.9% | 30.5% |
| Married couple, no children | 47.4% | 60.8% | 42.9% |
| Non Family Households | 336 | 254 | 43,255,233 |
| Single householder, w/children | 7.0% | 3.8% | 15.8% |
| Single householder, no children | 12.7% | 4.5% | 10.8% |