| | Calverton, MD | Wadsworth, OH | United States |
| Population | 17,772 | 23,789 | 329,725,481 |
| Female Population | 50.6% | 53.6% | 50.5% |
| Male Population | 49.5% | 46.4% | 49.5% |
| Median Age | 43 | 39 | 38.4 |
| space3 | | | |
| Population - 2010 | 17,800 | 21,730 | 309,327,143 |
| Population - 2000 | 12,610 | 18,437 | 285,036,114 |
| Population - 1990 | 12,046 | 15,718 | 251,960,433 |
| Pop. 2000 to Now | 46.5% | 32.2% | 15.6% |
| Pop. 1990 to Now | 53.3% | 55.1% | 30.8% |
| space4 | | | |
| Population Density | 3,875.3 | 2,107.5 | 93.4 |
| Land Area | 4.6 | 11.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Calverton, MD | Wadsworth, OH | United States |
| Age 0 to 4 | 5.2% | 6.3% | 5.9% |
| Age 5 to 9 | 5.6% | 6.1% | 6.1% |
| Age 10 to 14 | 7.6% | 4.0% | 6.6% |
| Age 15 to 17 | 2.7% | 3.7% | 3.9% |
| Age 18 to 20 | 2.9% | 3.4% | 4.0% |
| Age 21 to 24 | 3.9% | 6.9% | 5.2% |
| Age 25 to 34 | 12.6% | 14.8% | 13.8% |
| Age 35 to 44 | 12.8% | 11.1% | 12.9% |
| Age 45 to 54 | 12.1% | 13.8% | 12.6% |
| Age 55 to 59 | 7.5% | 4.9% | 6.7% |
| Age 60 to 64 | 6.3% | 6.0% | 6.3% |
| Age 65 to 74 | 8.5% | 9.2% | 9.6% |
| Age 75 to 84 | 6.1% | 6.3% | 4.5% |
| Age 85 and over | 6.1% | 3.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Calverton, MD | Wadsworth, OH | United States |
| White | 21.0% | 95.0% | 59.4% |
| Black | 38.4% | 1.8% | 12.2% |
| Asian | 15.7% | 0.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 1.2% | 3.2% |
| Hispanic | 23.0% | 1.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Calverton, MD | Wadsworth, OH | United States |
| Married Population | 52.3% | 51.9% | 49.8% |
| Currently Married | 50.8% | 51.4% | 48.0% |
| Married but Separated | 1.4% | 0.5% | 1.8% |
| Single Population | 47.7% | 48.1% | 50.2% |
| Never Married | 31.9% | 30.9% | 33.8% |
| Divorced | 8.0% | 11.4% | 10.8% |
| Widowed | 7.8% | 5.8% | 5.6% |
| space5 | | | |
| Household Size | 2.84 | 2.33 | 2.60 |
| Households | 6,180 | 10,127 | 124,010,992 |
| Family Households | 4,269 | 6,363 | 80,755,759 |
| Married couple, w/children | 31.7% | 30.9% | 30.5% |
| Married couple, no children | 39.9% | 48.0% | 42.9% |
| Non Family Households | 1,911 | 3,764 | 43,255,233 |
| Single householder, w/children | 9.7% | 11.7% | 15.8% |
| Single householder, no children | 18.8% | 9.5% | 10.8% |