| | Rock Hall, MD | Crisfield, MD | United States |
| Population | 1,397 | 2,533 | 329,725,481 |
| Female Population | 52.7% | 59.8% | 50.5% |
| Male Population | 47.3% | 40.2% | 49.5% |
| Median Age | 55.1 | 35.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,308 | 2,709 | 309,327,143 |
| Population - 2000 | 1,396 | 2,723 | 285,036,114 |
| Population - 1990 | 1,584 | 2,880 | 251,960,433 |
| Pop. 2000 to Now | -10.1% | -6.9% | 15.6% |
| Pop. 1990 to Now | -20.8% | -12.0% | 30.8% |
| space4 | | | |
| Population Density | 1,044.1 | 1,459.1 | 93.4 |
| Land Area | 1.3 | 1.7 | 3,531,905.4 |
| Water Area | 0.2 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rock Hall, MD | Crisfield, MD | United States |
| Age 0 to 4 | 5.0% | 8.1% | 5.9% |
| Age 5 to 9 | 5.2% | 5.8% | 6.1% |
| Age 10 to 14 | 5.0% | 8.6% | 6.6% |
| Age 15 to 17 | 3.2% | 2.8% | 3.9% |
| Age 18 to 20 | 3.5% | 3.8% | 4.0% |
| Age 21 to 24 | 2.6% | 4.8% | 5.2% |
| Age 25 to 34 | 7.2% | 15.0% | 13.8% |
| Age 35 to 44 | 9.7% | 11.2% | 12.9% |
| Age 45 to 54 | 8.4% | 9.4% | 12.6% |
| Age 55 to 59 | 6.0% | 6.4% | 6.7% |
| Age 60 to 64 | 8.1% | 5.1% | 6.3% |
| Age 65 to 74 | 19.8% | 11.3% | 9.6% |
| Age 75 to 84 | 12.8% | 4.6% | 4.5% |
| Age 85 and over | 3.4% | 3.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rock Hall, MD | Crisfield, MD | United States |
| White | 86.8% | 57.2% | 59.4% |
| Black | 7.5% | 30.7% | 12.2% |
| Asian | 0.1% | 0.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 2.6% | 0.0% | 0.4% |
| Two or More Races | 1.7% | 6.2% | 3.2% |
| Hispanic | 1.3% | 5.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rock Hall, MD | Crisfield, MD | United States |
| Married Population | 49.7% | 41.9% | 49.8% |
| Currently Married | 46.8% | 40.2% | 48.0% |
| Married but Separated | 2.9% | 1.8% | 1.8% |
| Single Population | 50.3% | 58.1% | 50.2% |
| Never Married | 27.4% | 33.9% | 33.8% |
| Divorced | 14.1% | 15.7% | 10.8% |
| Widowed | 8.9% | 8.4% | 5.6% |
| space5 | | | |
| Household Size | 2.08 | 2.36 | 2.60 |
| Households | 650 | 1,041 | 124,010,992 |
| Family Households | 363 | 625 | 80,755,759 |
| Married couple, w/children | 12.1% | 15.8% | 30.5% |
| Married couple, no children | 61.2% | 37.9% | 42.9% |
| Non Family Households | 287 | 416 | 43,255,233 |
| Single householder, w/children | 18.7% | 34.1% | 15.8% |
| Single householder, no children | 8.0% | 12.2% | 10.8% |