| | Riverdale, VA | Queensbury, NY | United States |
| Population | 951 | 28,914 | 329,725,481 |
| Female Population | 67.2% | 51.0% | 50.5% |
| Male Population | 32.8% | 49.1% | 49.5% |
| Median Age | 34 | 48.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 821 | 27,866 | 309,327,143 |
| Population - 2000 | 938 | 25,441 | 285,036,114 |
| Population - 1990 | 889 | 22,630 | 251,960,433 |
| Pop. 2000 to Now | 1.8% | 7.2% | 15.6% |
| Pop. 1990 to Now | 7.4% | 20.5% | 30.8% |
| space4 | | | |
| Population Density | 117.1 | 460.2 | 93.4 |
| Land Area | 8.1 | 62.8 | 3,531,905.4 |
| Water Area | 0.2 | 2.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Riverdale, VA | Queensbury, NY | United States |
| Age 0 to 4 | 4.8% | 3.9% | 5.9% |
| Age 5 to 9 | 13.7% | 5.2% | 6.1% |
| Age 10 to 14 | 7.6% | 4.6% | 6.6% |
| Age 15 to 17 | 2.3% | 4.1% | 3.9% |
| Age 18 to 20 | 2.5% | 2.8% | 4.0% |
| Age 21 to 24 | 0.6% | 4.2% | 5.2% |
| Age 25 to 34 | 23.4% | 10.0% | 13.8% |
| Age 35 to 44 | 3.8% | 11.1% | 12.9% |
| Age 45 to 54 | 13.2% | 14.3% | 12.6% |
| Age 55 to 59 | 0.0% | 6.7% | 6.7% |
| Age 60 to 64 | 10.3% | 8.8% | 6.3% |
| Age 65 to 74 | 14.5% | 14.9% | 9.6% |
| Age 75 to 84 | 2.4% | 5.6% | 4.5% |
| Age 85 and over | 0.7% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Riverdale, VA | Queensbury, NY | United States |
| White | 84.4% | 93.4% | 59.4% |
| Black | 14.5% | 1.0% | 12.2% |
| Asian | 0.0% | 0.7% | 5.6% |
| Native American | 0.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 0.7% | 1.9% | 3.2% |
| Hispanic | 0.0% | 2.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Riverdale, VA | Queensbury, NY | United States |
| Married Population | 39.3% | 56.0% | 49.8% |
| Currently Married | 39.3% | 54.3% | 48.0% |
| Married but Separated | 0.0% | 1.7% | 1.8% |
| Single Population | 60.7% | 44.0% | 50.2% |
| Never Married | 33.4% | 24.3% | 33.8% |
| Divorced | 19.1% | 11.7% | 10.8% |
| Widowed | 8.3% | 8.0% | 5.6% |
| space5 | | | |
| Household Size | 2.98 | 2.27 | 2.60 |
| Households | 319 | 12,522 | 124,010,992 |
| Family Households | 199 | 8,025 | 80,755,759 |
| Married couple, w/children | 17.6% | 27.4% | 30.5% |
| Married couple, no children | 44.2% | 53.4% | 42.9% |
| Non Family Households | 120 | 4,497 | 43,255,233 |
| Single householder, w/children | 38.2% | 9.3% | 15.8% |
| Single householder, no children | 0.0% | 9.9% | 10.8% |