| | Richmond, NH | Jaffrey, NH | United States |
| Population | 1,156 | 5,345 | 329,725,481 |
| Female Population | 47.1% | 51.3% | 50.5% |
| Male Population | 52.9% | 48.7% | 49.5% |
| Median Age | 50.8 | 42.3 | 38.4 |
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| Population - 2010 | 1,146 | 5,453 | 309,327,143 |
| Population - 2000 | 1,077 | 5,476 | 285,036,114 |
| Population - 1990 | 877 | 5,361 | 251,960,433 |
| Pop. 2000 to Now | 4.6% | -3.5% | 15.6% |
| Pop. 1990 to Now | 28.4% | -1.4% | 30.8% |
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| Population Density | 30.8 | 139.5 | 93.4 |
| Land Area | 37.6 | 38.3 | 3,531,905.4 |
| Water Area | 0.2 | 1.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Richmond, NH | Jaffrey, NH | United States |
| Age 0 to 4 | 7.3% | 2.9% | 5.9% |
| Age 5 to 9 | 5.9% | 6.2% | 6.1% |
| Age 10 to 14 | 4.3% | 11.4% | 6.6% |
| Age 15 to 17 | 2.0% | 4.6% | 3.9% |
| Age 18 to 20 | 3.7% | 0.3% | 4.0% |
| Age 21 to 24 | 4.3% | 1.8% | 5.2% |
| Age 25 to 34 | 10.3% | 12.2% | 13.8% |
| Age 35 to 44 | 7.7% | 12.6% | 12.9% |
| Age 45 to 54 | 10.6% | 15.4% | 12.6% |
| Age 55 to 59 | 11.2% | 4.9% | 6.7% |
| Age 60 to 64 | 8.7% | 11.7% | 6.3% |
| Age 65 to 74 | 17.0% | 9.2% | 9.6% |
| Age 75 to 84 | 5.3% | 3.1% | 4.5% |
| Age 85 and over | 1.7% | 3.7% | 1.9% |
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| Race | | | |
| | Richmond, NH | Jaffrey, NH | United States |
| White | 98.2% | 93.8% | 59.4% |
| Black | 0.0% | 0.4% | 12.2% |
| Asian | 0.3% | 0.8% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.3% | 3.4% | 3.2% |
| Hispanic | 1.1% | 1.6% | 18.4% |
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| Marriage & Family | | | |
| | Richmond, NH | Jaffrey, NH | United States |
| Married Population | 59.7% | 57.8% | 49.8% |
| Currently Married | 58.4% | 56.8% | 48.0% |
| Married but Separated | 1.4% | 1.0% | 1.8% |
| Single Population | 40.3% | 42.2% | 50.2% |
| Never Married | 26.4% | 24.4% | 33.8% |
| Divorced | 8.9% | 13.8% | 10.8% |
| Widowed | 4.9% | 4.1% | 5.6% |
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| Household Size | 2.92 | 2.58 | 2.60 |
| Households | 395 | 2,048 | 124,010,992 |
| Family Households | 315 | 1,297 | 80,755,759 |
| Married couple, w/children | 24.8% | 35.0% | 30.5% |
| Married couple, no children | 53.7% | 54.2% | 42.9% |
| Non Family Households | 80 | 751 | 43,255,233 |
| Single householder, w/children | 8.6% | 7.6% | 15.8% |
| Single householder, no children | 13.0% | 3.2% | 10.8% |