| | Pasadena, MD | Edgewater, MD | United States |
| Population | 31,583 | 9,075 | 329,725,481 |
| Female Population | 50.2% | 49.5% | 50.5% |
| Male Population | 49.8% | 50.5% | 49.5% |
| Median Age | 35.7 | 40.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 22,189 | 8,692 | 309,327,143 |
| Population - 2000 | 12,093 | 7,508 | 285,036,114 |
| Population - 1990 | 10,012 | 6,992 | 251,960,433 |
| Pop. 2000 to Now | 135.2% | 36.6% | 15.6% |
| Pop. 1990 to Now | 184.1% | 46.7% | 30.8% |
| space4 | | | |
| Population Density | 2,114.3 | 3,033.1 | 93.4 |
| Land Area | 14.9 | 3.0 | 3,531,905.4 |
| Water Area | 1.2 | 0.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Pasadena, MD | Edgewater, MD | United States |
| Age 0 to 4 | 6.6% | 5.1% | 5.9% |
| Age 5 to 9 | 4.4% | 6.1% | 6.1% |
| Age 10 to 14 | 5.2% | 4.4% | 6.6% |
| Age 15 to 17 | 2.9% | 3.8% | 3.9% |
| Age 18 to 20 | 4.8% | 1.5% | 4.0% |
| Age 21 to 24 | 5.1% | 3.2% | 5.2% |
| Age 25 to 34 | 19.8% | 15.3% | 13.8% |
| Age 35 to 44 | 12.5% | 15.8% | 12.9% |
| Age 45 to 54 | 12.3% | 14.9% | 12.6% |
| Age 55 to 59 | 8.9% | 5.9% | 6.7% |
| Age 60 to 64 | 6.8% | 6.2% | 6.3% |
| Age 65 to 74 | 6.4% | 9.6% | 9.6% |
| Age 75 to 84 | 3.4% | 7.0% | 4.5% |
| Age 85 and over | 0.9% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pasadena, MD | Edgewater, MD | United States |
| White | 68.0% | 85.5% | 59.4% |
| Black | 15.8% | 4.4% | 12.2% |
| Asian | 3.9% | 0.7% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 5.1% | 0.7% | 3.2% |
| Hispanic | 7.0% | 8.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Pasadena, MD | Edgewater, MD | United States |
| Married Population | 53.5% | 50.4% | 49.8% |
| Currently Married | 52.0% | 49.3% | 48.0% |
| Married but Separated | 1.4% | 1.2% | 1.8% |
| Single Population | 46.5% | 49.6% | 50.2% |
| Never Married | 32.0% | 29.7% | 33.8% |
| Divorced | 10.6% | 12.8% | 10.8% |
| Widowed | 3.9% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 2.60 | 2.50 | 2.60 |
| Households | 12,103 | 3,595 | 124,010,992 |
| Family Households | 8,755 | 2,333 | 80,755,759 |
| Married couple, w/children | 26.3% | 32.6% | 30.5% |
| Married couple, no children | 50.0% | 46.1% | 42.9% |
| Non Family Households | 3,348 | 1,262 | 43,255,233 |
| Single householder, w/children | 14.1% | 10.2% | 15.8% |
| Single householder, no children | 9.7% | 11.1% | 10.8% |