| | Drumore, PA | Quarryville, PA | United States |
| Population | 2,578 | 2,830 | 329,725,481 |
| Female Population | 44.5% | 47.9% | 50.5% |
| Male Population | 55.5% | 52.1% | 49.5% |
| Median Age | 33.1 | 33.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,571 | 2,611 | 309,327,143 |
| Population - 2000 | 2,243 | 1,994 | 285,036,114 |
| Population - 1990 | 2,114 | 1,642 | 251,960,433 |
| Pop. 2000 to Now | 19.6% | 37.7% | 15.6% |
| Pop. 1990 to Now | 26.9% | 67.2% | 30.8% |
| space4 | | | |
| Population Density | 107.3 | 2,192.1 | 93.4 |
| Land Area | 24.0 | 1.3 | 3,531,905.4 |
| Water Area | 4.9 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Drumore, PA | Quarryville, PA | United States |
| Age 0 to 4 | 6.9% | 9.2% | 5.9% |
| Age 5 to 9 | 9.9% | 8.1% | 6.1% |
| Age 10 to 14 | 8.7% | 9.0% | 6.6% |
| Age 15 to 17 | 5.2% | 3.1% | 3.9% |
| Age 18 to 20 | 4.3% | 4.7% | 4.0% |
| Age 21 to 24 | 6.9% | 2.2% | 5.2% |
| Age 25 to 34 | 8.8% | 16.6% | 13.8% |
| Age 35 to 44 | 9.5% | 10.0% | 12.9% |
| Age 45 to 54 | 11.8% | 7.7% | 12.6% |
| Age 55 to 59 | 7.1% | 6.8% | 6.7% |
| Age 60 to 64 | 7.5% | 7.7% | 6.3% |
| Age 65 to 74 | 9.3% | 9.7% | 9.6% |
| Age 75 to 84 | 2.4% | 4.9% | 4.5% |
| Age 85 and over | 1.6% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Drumore, PA | Quarryville, PA | United States |
| White | 96.6% | 80.0% | 59.4% |
| Black | 0.0% | 2.0% | 12.2% |
| Asian | 0.0% | 6.6% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 0.8% | 3.2% |
| Hispanic | 1.6% | 10.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Drumore, PA | Quarryville, PA | United States |
| Married Population | 63.1% | 58.7% | 49.8% |
| Currently Married | 62.1% | 57.2% | 48.0% |
| Married but Separated | 0.9% | 1.5% | 1.8% |
| Single Population | 36.9% | 41.3% | 50.2% |
| Never Married | 24.9% | 26.8% | 33.8% |
| Divorced | 8.4% | 8.9% | 10.8% |
| Widowed | 3.7% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 3.14 | 2.75 | 2.60 |
| Households | 822 | 1,029 | 124,010,992 |
| Family Households | 671 | 767 | 80,755,759 |
| Married couple, w/children | 43.4% | 28.0% | 30.5% |
| Married couple, no children | 44.9% | 44.9% | 42.9% |
| Non Family Households | 151 | 262 | 43,255,233 |
| Single householder, w/children | 2.4% | 16.7% | 15.8% |
| Single householder, no children | 9.4% | 10.4% | 10.8% |