| | Deerfield, NH | Danville, NH | United States |
| Population | 4,808 | 4,435 | 329,725,481 |
| Female Population | 52.7% | 52.1% | 50.5% |
| Male Population | 47.3% | 47.9% | 49.5% |
| Median Age | 42.1 | 44.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,283 | 4,383 | 309,327,143 |
| Population - 2000 | 3,678 | 4,023 | 285,036,114 |
| Population - 1990 | 3,124 | 2,534 | 251,960,433 |
| Pop. 2000 to Now | 24.1% | 14.2% | 15.6% |
| Pop. 1990 to Now | 46.1% | 81.4% | 30.8% |
| space4 | | | |
| Population Density | 94.5 | 378.5 | 93.4 |
| Land Area | 50.9 | 11.7 | 3,531,905.4 |
| Water Area | 1.3 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Deerfield, NH | Danville, NH | United States |
| Age 0 to 4 | 3.5% | 4.1% | 5.9% |
| Age 5 to 9 | 4.1% | 4.6% | 6.1% |
| Age 10 to 14 | 6.0% | 10.5% | 6.6% |
| Age 15 to 17 | 5.3% | 3.7% | 3.9% |
| Age 18 to 20 | 2.8% | 2.6% | 4.0% |
| Age 21 to 24 | 8.9% | 3.7% | 5.2% |
| Age 25 to 34 | 12.8% | 11.7% | 13.8% |
| Age 35 to 44 | 9.8% | 10.6% | 12.9% |
| Age 45 to 54 | 13.0% | 15.5% | 12.6% |
| Age 55 to 59 | 9.7% | 10.0% | 6.7% |
| Age 60 to 64 | 6.6% | 11.5% | 6.3% |
| Age 65 to 74 | 12.6% | 8.2% | 9.6% |
| Age 75 to 84 | 3.1% | 2.8% | 4.5% |
| Age 85 and over | 1.8% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Deerfield, NH | Danville, NH | United States |
| White | 95.9% | 95.1% | 59.4% |
| Black | 0.7% | 0.2% | 12.2% |
| Asian | 0.5% | 0.6% | 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 | 2.4% | 2.9% | 3.2% |
| Hispanic | 0.5% | 1.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Deerfield, NH | Danville, NH | United States |
| Married Population | 58.1% | 55.6% | 49.8% |
| Currently Married | 57.9% | 55.1% | 48.0% |
| Married but Separated | 0.2% | 0.5% | 1.8% |
| Single Population | 41.9% | 44.4% | 50.2% |
| Never Married | 29.9% | 26.7% | 33.8% |
| Divorced | 9.3% | 10.9% | 10.8% |
| Widowed | 2.7% | 6.8% | 5.6% |
| space5 | | | |
| Household Size | 2.86 | 2.58 | 2.60 |
| Households | 1,682 | 1,719 | 124,010,992 |
| Family Households | 1,300 | 1,305 | 80,755,759 |
| Married couple, w/children | 30.9% | 26.2% | 30.5% |
| Married couple, no children | 57.5% | 49.0% | 42.9% |
| Non Family Households | 382 | 414 | 43,255,233 |
| Single householder, w/children | 7.5% | 23.4% | 15.8% |
| Single householder, no children | 4.0% | 1.5% | 10.8% |