| | Deering, NH | Walpole, NH | United States |
| Population | 1,789 | 3,655 | 329,725,481 |
| Female Population | 46.0% | 53.6% | 50.5% |
| Male Population | 54.1% | 46.4% | 49.5% |
| Median Age | 49.3 | 41.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,926 | 3,730 | 309,327,143 |
| Population - 2000 | 1,875 | 3,594 | 285,036,114 |
| Population - 1990 | 1,707 | 3,210 | 251,960,433 |
| Pop. 2000 to Now | 5.1% | 12.2% | 15.6% |
| Pop. 1990 to Now | 15.4% | 25.6% | 30.8% |
| space4 | | | |
| Population Density | 58.1 | 103.9 | 93.4 |
| Land Area | 30.8 | 35.2 | 3,531,905.4 |
| Water Area | 0.6 | 1.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Deering, NH | Walpole, NH | United States |
| Age 0 to 4 | 2.6% | 9.9% | 5.9% |
| Age 5 to 9 | 2.9% | 4.7% | 6.1% |
| Age 10 to 14 | 6.7% | 5.4% | 6.6% |
| Age 15 to 17 | 4.6% | 3.9% | 3.9% |
| Age 18 to 20 | 3.3% | 1.9% | 4.0% |
| Age 21 to 24 | 3.1% | 2.4% | 5.2% |
| Age 25 to 34 | 6.9% | 16.9% | 13.8% |
| Age 35 to 44 | 12.4% | 8.6% | 12.9% |
| Age 45 to 54 | 17.8% | 13.8% | 12.6% |
| Age 55 to 59 | 12.6% | 5.1% | 6.7% |
| Age 60 to 64 | 9.4% | 6.5% | 6.3% |
| Age 65 to 74 | 9.2% | 12.3% | 9.6% |
| Age 75 to 84 | 6.7% | 4.5% | 4.5% |
| Age 85 and over | 1.9% | 4.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Deering, NH | Walpole, NH | United States |
| White | 95.0% | 96.0% | 59.4% |
| Black | 0.6% | 2.5% | 12.2% |
| Asian | 0.5% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 1.5% | 3.2% |
| Hispanic | 1.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Deering, NH | Walpole, NH | United States |
| Married Population | 59.6% | 54.5% | 49.8% |
| Currently Married | 59.1% | 52.2% | 48.0% |
| Married but Separated | 0.4% | 2.3% | 1.8% |
| Single Population | 40.4% | 45.5% | 50.2% |
| Never Married | 25.0% | 25.3% | 33.8% |
| Divorced | 11.5% | 13.0% | 10.8% |
| Widowed | 3.9% | 7.2% | 5.6% |
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| Household Size | 2.45 | 2.52 | 2.60 |
| Households | 697 | 1,449 | 124,010,992 |
| Family Households | 508 | 894 | 80,755,759 |
| Married couple, w/children | 22.6% | 40.7% | 30.5% |
| Married couple, no children | 64.2% | 40.9% | 42.9% |
| Non Family Households | 189 | 555 | 43,255,233 |
| Single householder, w/children | 6.9% | 10.5% | 15.8% |
| Single householder, no children | 6.3% | 7.8% | 10.8% |