| | Rockingham, VT | Chester, VT | United States |
| Population | 4,919 | 3,010 | 329,725,481 |
| Female Population | 54.8% | 50.8% | 50.5% |
| Male Population | 45.2% | 49.2% | 49.5% |
| Median Age | 44.2 | 53.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,269 | 3,146 | 309,327,143 |
| Population - 2000 | 5,309 | 3,044 | 285,036,114 |
| Population - 1990 | 5,484 | 2,832 | 251,960,433 |
| Pop. 2000 to Now | -6.1% | -0.9% | 15.6% |
| Pop. 1990 to Now | -9.1% | 6.6% | 30.8% |
| space4 | | | |
| Population Density | 118.7 | 54.1 | 93.4 |
| Land Area | 41.4 | 55.7 | 3,531,905.4 |
| Water Area | 0.8 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rockingham, VT | Chester, VT | United States |
| Age 0 to 4 | 5.2% | 2.7% | 5.9% |
| Age 5 to 9 | 5.5% | 4.1% | 6.1% |
| Age 10 to 14 | 7.2% | 3.8% | 6.6% |
| Age 15 to 17 | 3.8% | 2.9% | 3.9% |
| Age 18 to 20 | 1.8% | 1.7% | 4.0% |
| Age 21 to 24 | 5.6% | 8.6% | 5.2% |
| Age 25 to 34 | 11.9% | 6.5% | 13.8% |
| Age 35 to 44 | 10.2% | 11.6% | 12.9% |
| Age 45 to 54 | 10.3% | 14.3% | 12.6% |
| Age 55 to 59 | 6.6% | 8.7% | 6.7% |
| Age 60 to 64 | 8.4% | 4.9% | 6.3% |
| Age 65 to 74 | 14.0% | 24.9% | 9.6% |
| Age 75 to 84 | 6.2% | 2.6% | 4.5% |
| Age 85 and over | 3.3% | 2.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rockingham, VT | Chester, VT | United States |
| White | 88.3% | 96.6% | 59.4% |
| Black | 1.9% | 3.0% | 12.2% |
| Asian | 2.2% | 0.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 5.1% | 0.1% | 3.2% |
| Hispanic | 2.3% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rockingham, VT | Chester, VT | United States |
| Married Population | 43.0% | 61.3% | 49.8% |
| Currently Married | 42.5% | 60.6% | 48.0% |
| Married but Separated | 0.4% | 0.8% | 1.8% |
| Single Population | 57.0% | 38.7% | 50.2% |
| Never Married | 32.5% | 21.5% | 33.8% |
| Divorced | 17.3% | 12.1% | 10.8% |
| Widowed | 7.3% | 5.1% | 5.6% |
| space5 | | | |
| Household Size | 2.23 | 2.37 | 2.60 |
| Households | 2,161 | 1,268 | 124,010,992 |
| Family Households | 1,109 | 800 | 80,755,759 |
| Married couple, w/children | 32.5% | 24.1% | 30.5% |
| Married couple, no children | 43.4% | 70.9% | 42.9% |
| Non Family Households | 1,052 | 468 | 43,255,233 |
| Single householder, w/children | 19.2% | 0.9% | 15.8% |
| Single householder, no children | 5.0% | 4.1% | 10.8% |