| | Boonsboro, MD | Shepherdstown, WV | United States |
| Population | 3,757 | 1,529 | 329,725,481 |
| Female Population | 41.8% | 51.9% | 50.5% |
| Male Population | 58.2% | 48.1% | 49.5% |
| Median Age | 36.9 | 21.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,452 | 2,153 | 309,327,143 |
| Population - 2000 | 2,803 | 803 | 285,036,114 |
| Population - 1990 | 2,445 | 1,287 | 251,960,433 |
| Pop. 2000 to Now | 30.4% | 139.4% | 15.6% |
| Pop. 1990 to Now | 49.5% | 49.3% | 30.8% |
| space4 | | | |
| Population Density | 1,227.8 | 4,077.3 | 93.4 |
| Land Area | 3.1 | 0.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Boonsboro, MD | Shepherdstown, WV | United States |
| Age 0 to 4 | 5.0% | 0.4% | 5.9% |
| Age 5 to 9 | 10.5% | 1.4% | 6.1% |
| Age 10 to 14 | 13.4% | 2.9% | 6.6% |
| Age 15 to 17 | 3.7% | 1.5% | 3.9% |
| Age 18 to 20 | 1.2% | 34.9% | 4.0% |
| Age 21 to 24 | 2.7% | 24.3% | 5.2% |
| Age 25 to 34 | 8.3% | 6.5% | 13.8% |
| Age 35 to 44 | 16.9% | 9.5% | 12.9% |
| Age 45 to 54 | 14.5% | 3.9% | 12.6% |
| Age 55 to 59 | 6.6% | 2.0% | 6.7% |
| Age 60 to 64 | 4.7% | 2.9% | 6.3% |
| Age 65 to 74 | 7.0% | 7.2% | 9.6% |
| Age 75 to 84 | 3.0% | 0.8% | 4.5% |
| Age 85 and over | 2.6% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Boonsboro, MD | Shepherdstown, WV | United States |
| White | 88.6% | 71.1% | 59.4% |
| Black | 4.1% | 23.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.9% | 0.4% |
| Two or More Races | 3.5% | 2.2% | 3.2% |
| Hispanic | 3.6% | 2.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Boonsboro, MD | Shepherdstown, WV | United States |
| Married Population | 59.7% | 12.6% | 49.8% |
| Currently Married | 57.8% | 12.6% | 48.0% |
| Married but Separated | 1.9% | 0.0% | 1.8% |
| Single Population | 40.3% | 87.4% | 50.2% |
| Never Married | 20.2% | 76.7% | 33.8% |
| Divorced | 14.3% | 6.7% | 10.8% |
| Widowed | 5.7% | 4.1% | 5.6% |
| space5 | | | |
| Household Size | 2.53 | 2.15 | 2.60 |
| Households | 1,434 | 310 | 124,010,992 |
| Family Households | 1,126 | 109 | 80,755,759 |
| Married couple, w/children | 36.3% | 45.9% | 30.5% |
| Married couple, no children | 27.9% | 32.1% | 42.9% |
| Non Family Households | 308 | 201 | 43,255,233 |
| Single householder, w/children | 23.6% | 11.9% | 15.8% |
| Single householder, no children | 12.2% | 10.1% | 10.8% |