| | Sanbornton, NH | Meredith, NH | United States |
| Population | 3,036 | 6,630 | 329,725,481 |
| Female Population | 46.3% | 47.4% | 50.5% |
| Male Population | 53.7% | 52.6% | 49.5% |
| Median Age | 46.8 | 53.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,975 | 6,275 | 309,327,143 |
| Population - 2000 | 2,581 | 5,943 | 285,036,114 |
| Population - 1990 | 2,136 | 4,837 | 251,960,433 |
| Pop. 2000 to Now | 16.7% | 9.0% | 15.6% |
| Pop. 1990 to Now | 41.0% | 33.9% | 30.8% |
| space4 | | | |
| Population Density | 63.7 | 165.8 | 93.4 |
| Land Area | 47.7 | 40.0 | 3,531,905.4 |
| Water Area | 2.2 | 14.7 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sanbornton, NH | Meredith, NH | United States |
| Age 0 to 4 | 2.4% | 3.1% | 5.9% |
| Age 5 to 9 | 5.0% | 3.9% | 6.1% |
| Age 10 to 14 | 7.7% | 3.6% | 6.6% |
| Age 15 to 17 | 3.0% | 4.1% | 3.9% |
| Age 18 to 20 | 5.0% | 2.2% | 4.0% |
| Age 21 to 24 | 0.3% | 4.6% | 5.2% |
| Age 25 to 34 | 13.4% | 8.8% | 13.8% |
| Age 35 to 44 | 8.0% | 7.2% | 12.9% |
| Age 45 to 54 | 14.9% | 14.8% | 12.6% |
| Age 55 to 59 | 12.7% | 7.4% | 6.7% |
| Age 60 to 64 | 8.7% | 10.8% | 6.3% |
| Age 65 to 74 | 13.4% | 18.3% | 9.6% |
| Age 75 to 84 | 4.0% | 5.2% | 4.5% |
| Age 85 and over | 1.5% | 5.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sanbornton, NH | Meredith, NH | United States |
| White | 95.0% | 94.5% | 59.4% |
| Black | 1.4% | 0.3% | 12.2% |
| Asian | 0.9% | 1.9% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 1.9% | 3.2% |
| Hispanic | 0.2% | 1.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Sanbornton, NH | Meredith, NH | United States |
| Married Population | 56.2% | 50.3% | 49.8% |
| Currently Married | 55.5% | 49.6% | 48.0% |
| Married but Separated | 0.8% | 0.7% | 1.8% |
| Single Population | 43.8% | 49.7% | 50.2% |
| Never Married | 26.1% | 28.3% | 33.8% |
| Divorced | 14.1% | 12.8% | 10.8% |
| Widowed | 3.5% | 8.6% | 5.6% |
| space5 | | | |
| Household Size | 2.70 | 2.13 | 2.60 |
| Households | 1,121 | 3,109 | 124,010,992 |
| Family Households | 785 | 1,846 | 80,755,759 |
| Married couple, w/children | 32.9% | 17.1% | 30.5% |
| Married couple, no children | 47.4% | 59.9% | 42.9% |
| Non Family Households | 336 | 1,263 | 43,255,233 |
| Single householder, w/children | 7.0% | 16.7% | 15.8% |
| Single householder, no children | 12.7% | 6.3% | 10.8% |