| | Parkman, ME | Hermon, ME | United States |
| Population | 896 | 6,331 | 329,725,481 |
| Female Population | 46.4% | 51.2% | 50.5% |
| Male Population | 53.6% | 48.9% | 49.5% |
| Median Age | 49 | 39.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 842 | 5,415 | 309,327,143 |
| Population - 2000 | 811 | 4,437 | 285,036,114 |
| Population - 1990 | 790 | 3,755 | 251,960,433 |
| Pop. 2000 to Now | -0.9% | 37.6% | 15.6% |
| Pop. 1990 to Now | 1.8% | 62.6% | 30.8% |
| space4 | | | |
| Population Density | 19.8 | 176.5 | 93.4 |
| Land Area | 45.2 | 35.9 | 3,531,905.4 |
| Water Area | 0.8 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Parkman, ME | Hermon, ME | United States |
| Age 0 to 4 | 6.1% | 7.2% | 5.9% |
| Age 5 to 9 | 4.8% | 7.2% | 6.1% |
| Age 10 to 14 | 2.3% | 4.9% | 6.6% |
| Age 15 to 17 | 5.1% | 3.2% | 3.9% |
| Age 18 to 20 | 0.0% | 1.3% | 4.0% |
| Age 21 to 24 | 2.3% | 3.4% | 5.2% |
| Age 25 to 34 | 15.2% | 14.3% | 13.8% |
| Age 35 to 44 | 6.5% | 15.6% | 12.9% |
| Age 45 to 54 | 17.2% | 15.4% | 12.6% |
| Age 55 to 59 | 14.1% | 5.3% | 6.7% |
| Age 60 to 64 | 8.9% | 5.1% | 6.3% |
| Age 65 to 74 | 11.3% | 8.8% | 9.6% |
| Age 75 to 84 | 4.5% | 4.6% | 4.5% |
| Age 85 and over | 1.7% | 3.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Parkman, ME | Hermon, ME | United States |
| White | 87.9% | 93.9% | 59.4% |
| Black | 0.0% | 0.7% | 12.2% |
| Asian | 0.1% | 0.0% | 5.6% |
| Native American | 0.0% | 2.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 11.7% | 2.1% | 3.2% |
| Hispanic | 0.2% | 0.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Parkman, ME | Hermon, ME | United States |
| Married Population | 47.6% | 65.8% | 49.8% |
| Currently Married | 46.8% | 65.8% | 48.0% |
| Married but Separated | 0.8% | 0.0% | 1.8% |
| Single Population | 52.4% | 34.2% | 50.2% |
| Never Married | 23.8% | 19.5% | 33.8% |
| Divorced | 18.7% | 9.3% | 10.8% |
| Widowed | 9.9% | 5.5% | 5.6% |
| space5 | | | |
| Household Size | 2.23 | 2.69 | 2.60 |
| Households | 402 | 2,348 | 124,010,992 |
| Family Households | 229 | 1,838 | 80,755,759 |
| Married couple, w/children | 27.1% | 36.5% | 30.5% |
| Married couple, no children | 51.5% | 50.5% | 42.9% |
| Non Family Households | 173 | 510 | 43,255,233 |
| Single householder, w/children | 12.2% | 8.6% | 15.8% |
| Single householder, no children | 9.2% | 4.5% | 10.8% |