| | Brandywine, WV | Mars Hill, NC | United States |
| Population | 198 | 2,802 | 329,725,481 |
| Female Population | 31.3% | 43.2% | 50.5% |
| Male Population | 68.7% | 56.8% | 49.5% |
| Median Age | 32.9 | 25.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 355 | 1,861 | 309,327,143 |
| Population - 2000 | 158 | 1,764 | 285,036,114 |
| Population - 1990 | 142 | 1,611 | 251,960,433 |
| Pop. 2000 to Now | -32.3% | 6.6% | 15.6% |
| Pop. 1990 to Now | -24.7% | 16.8% | 30.8% |
| space4 | | | |
| Population Density | 403.3 | 1,403.1 | 93.4 |
| Land Area | 0.5 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Brandywine, WV | Mars Hill, NC | United States |
| Age 0 to 4 | 18.2% | 2.8% | 5.9% |
| Age 5 to 9 | 0.0% | 6.9% | 6.1% |
| Age 10 to 14 | 0.0% | 4.4% | 6.6% |
| Age 15 to 17 | 0.0% | 4.4% | 3.9% |
| Age 18 to 20 | 0.0% | 23.9% | 4.0% |
| Age 21 to 24 | 3.0% | 7.1% | 5.2% |
| Age 25 to 34 | 30.3% | 10.1% | 13.8% |
| Age 35 to 44 | 11.1% | 12.6% | 12.9% |
| Age 45 to 54 | 9.1% | 6.3% | 12.6% |
| Age 55 to 59 | 3.0% | 5.5% | 6.7% |
| Age 60 to 64 | 9.6% | 4.6% | 6.3% |
| Age 65 to 74 | 5.6% | 8.8% | 9.6% |
| Age 75 to 84 | 10.1% | 1.8% | 4.5% |
| Age 85 and over | 0.0% | 0.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Brandywine, WV | Mars Hill, NC | United States |
| White | 100.0% | 86.0% | 59.4% |
| Black | 0.0% | 6.1% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 1.1% | 3.2% |
| Hispanic | 0.0% | 5.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Brandywine, WV | Mars Hill, NC | United States |
| Married Population | 11.7% | 32.1% | 49.8% |
| Currently Married | 11.7% | 31.2% | 48.0% |
| Married but Separated | 0.0% | 0.8% | 1.8% |
| Single Population | 88.3% | 67.9% | 50.2% |
| Never Married | 40.7% | 50.9% | 33.8% |
| Divorced | 43.2% | 13.8% | 10.8% |
| Widowed | 4.3% | 3.2% | 5.6% |
| space5 | | | |
| Household Size | 1.85 | 2.61 | 2.60 |
| Households | 107 | 819 | 124,010,992 |
| Family Households | 22 | 485 | 80,755,759 |
| Married couple, w/children | 0.0% | 32.6% | 30.5% |
| Married couple, no children | 45.5% | 43.3% | 42.9% |
| Non Family Households | 85 | 334 | 43,255,233 |
| Single householder, w/children | 27.3% | 15.3% | 15.8% |
| Single householder, no children | 27.3% | 8.9% | 10.8% |