| | Hermon, ME | Dexter, ME | United States |
| Population | 6,331 | 3,790 | 329,725,481 |
| Female Population | 51.2% | 51.9% | 50.5% |
| Male Population | 48.9% | 48.1% | 49.5% |
| Median Age | 39.4 | 53.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,415 | 3,880 | 309,327,143 |
| Population - 2000 | 4,437 | 3,890 | 285,036,114 |
| Population - 1990 | 3,755 | 4,419 | 251,960,433 |
| Pop. 2000 to Now | 37.6% | -4.8% | 15.6% |
| Pop. 1990 to Now | 62.6% | -16.2% | 30.8% |
| space4 | | | |
| Population Density | 176.5 | 107.8 | 93.4 |
| Land Area | 35.9 | 35.2 | 3,531,905.4 |
| Water Area | 0.9 | 2.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Hermon, ME | Dexter, ME | United States |
| Age 0 to 4 | 7.2% | 4.2% | 5.9% |
| Age 5 to 9 | 7.2% | 2.1% | 6.1% |
| Age 10 to 14 | 4.9% | 4.2% | 6.6% |
| Age 15 to 17 | 3.2% | 3.3% | 3.9% |
| Age 18 to 20 | 1.3% | 2.8% | 4.0% |
| Age 21 to 24 | 3.4% | 2.4% | 5.2% |
| Age 25 to 34 | 14.3% | 9.5% | 13.8% |
| Age 35 to 44 | 15.6% | 10.5% | 12.9% |
| Age 45 to 54 | 15.4% | 12.2% | 12.6% |
| Age 55 to 59 | 5.3% | 14.5% | 6.7% |
| Age 60 to 64 | 5.1% | 8.8% | 6.3% |
| Age 65 to 74 | 8.8% | 16.1% | 9.6% |
| Age 75 to 84 | 4.6% | 7.7% | 4.5% |
| Age 85 and over | 3.7% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Hermon, ME | Dexter, ME | United States |
| White | 93.9% | 94.0% | 59.4% |
| Black | 0.7% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 2.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 5.1% | 3.2% |
| Hispanic | 0.8% | 1.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Hermon, ME | Dexter, ME | United States |
| Married Population | 65.8% | 65.9% | 49.8% |
| Currently Married | 65.8% | 65.1% | 48.0% |
| Married but Separated | 0.0% | 0.8% | 1.8% |
| Single Population | 34.2% | 34.1% | 50.2% |
| Never Married | 19.5% | 15.2% | 33.8% |
| Divorced | 9.3% | 12.1% | 10.8% |
| Widowed | 5.5% | 6.8% | 5.6% |
| space5 | | | |
| Household Size | 2.69 | 2.11 | 2.60 |
| Households | 2,348 | 1,783 | 124,010,992 |
| Family Households | 1,838 | 1,188 | 80,755,759 |
| Married couple, w/children | 36.5% | 26.0% | 30.5% |
| Married couple, no children | 50.5% | 63.8% | 42.9% |
| Non Family Households | 510 | 595 | 43,255,233 |
| Single householder, w/children | 8.6% | 3.2% | 15.8% |
| Single householder, no children | 4.5% | 7.0% | 10.8% |