| | Gilead, ME | Blackstone, VA | United States |
| Population | 168 | 3,402 | 329,725,481 |
| Female Population | 44.6% | 58.1% | 50.5% |
| Male Population | 55.4% | 41.9% | 49.5% |
| Median Age | 41.3 | 45.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 212 | 3,606 | 309,327,143 |
| Population - 2000 | 156 | 3,675 | 285,036,114 |
| Population - 1990 | 204 | 3,497 | 251,960,433 |
| Pop. 2000 to Now | 30.8% | -10.1% | 15.6% |
| Pop. 1990 to Now | 0.0% | -5.5% | 30.8% |
| space4 | | | |
| Population Density | 8.9 | 756.8 | 93.4 |
| Land Area | 18.9 | 4.5 | 3,531,905.4 |
| Water Area | 0.8 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Gilead, ME | Blackstone, VA | United States |
| Age 0 to 4 | 11.9% | 4.2% | 5.9% |
| Age 5 to 9 | 1.8% | 3.1% | 6.1% |
| Age 10 to 14 | 5.4% | 8.3% | 6.6% |
| Age 15 to 17 | 4.2% | 6.7% | 3.9% |
| Age 18 to 20 | 1.2% | 3.6% | 4.0% |
| Age 21 to 24 | 0.0% | 5.6% | 5.2% |
| Age 25 to 34 | 15.5% | 8.1% | 13.8% |
| Age 35 to 44 | 13.7% | 8.5% | 12.9% |
| Age 45 to 54 | 7.7% | 13.2% | 12.6% |
| Age 55 to 59 | 11.9% | 6.6% | 6.7% |
| Age 60 to 64 | 10.7% | 12.3% | 6.3% |
| Age 65 to 74 | 13.7% | 7.4% | 9.6% |
| Age 75 to 84 | 2.4% | 4.5% | 4.5% |
| Age 85 and over | 0.0% | 8.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Gilead, ME | Blackstone, VA | United States |
| White | 97.6% | 41.2% | 59.4% |
| Black | 0.0% | 47.2% | 12.2% |
| Asian | 1.8% | 0.9% | 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 | 0.6% | 0.8% | 3.2% |
| Hispanic | 0.0% | 10.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Gilead, ME | Blackstone, VA | United States |
| Married Population | 45.6% | 42.5% | 49.8% |
| Currently Married | 44.9% | 39.0% | 48.0% |
| Married but Separated | 0.7% | 3.5% | 1.8% |
| Single Population | 54.4% | 57.5% | 50.2% |
| Never Married | 36.0% | 27.8% | 33.8% |
| Divorced | 16.9% | 16.6% | 10.8% |
| Widowed | 1.5% | 13.1% | 5.6% |
| space5 | | | |
| Household Size | 2.10 | 2.45 | 2.60 |
| Households | 80 | 1,328 | 124,010,992 |
| Family Households | 51 | 793 | 80,755,759 |
| Married couple, w/children | 7.8% | 30.9% | 30.5% |
| Married couple, no children | 51.0% | 38.5% | 42.9% |
| Non Family Households | 29 | 535 | 43,255,233 |
| Single householder, w/children | 41.2% | 23.7% | 15.8% |
| Single householder, no children | 0.0% | 6.9% | 10.8% |