| | Glenmont, MD | Richmond, VT | United States |
| Population | 15,795 | 4,142 | 329,725,481 |
| Female Population | 48.2% | 49.4% | 50.5% |
| Male Population | 51.8% | 50.6% | 49.5% |
| Median Age | 37.9 | 45.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 13,458 | 4,085 | 309,327,143 |
| Population - 2000 | 13,116 | 4,090 | 285,036,114 |
| Population - 1990 | 12,430 | 3,729 | 251,960,433 |
| Pop. 2000 to Now | 31.3% | 0.2% | 15.6% |
| Pop. 1990 to Now | 38.5% | 10.0% | 30.8% |
| space4 | | | |
| Population Density | 5,651.2 | 128.5 | 93.4 |
| Land Area | 2.8 | 32.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Glenmont, MD | Richmond, VT | United States |
| Age 0 to 4 | 6.2% | 5.4% | 5.9% |
| Age 5 to 9 | 6.5% | 5.4% | 6.1% |
| Age 10 to 14 | 7.5% | 6.6% | 6.6% |
| Age 15 to 17 | 3.0% | 4.7% | 3.9% |
| Age 18 to 20 | 4.6% | 0.9% | 4.0% |
| Age 21 to 24 | 3.7% | 4.6% | 5.2% |
| Age 25 to 34 | 12.5% | 7.6% | 13.8% |
| Age 35 to 44 | 17.7% | 14.4% | 12.9% |
| Age 45 to 54 | 11.2% | 18.4% | 12.6% |
| Age 55 to 59 | 6.8% | 6.7% | 6.7% |
| Age 60 to 64 | 6.4% | 7.9% | 6.3% |
| Age 65 to 74 | 8.5% | 11.7% | 9.6% |
| Age 75 to 84 | 4.8% | 2.0% | 4.5% |
| Age 85 and over | 0.6% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Glenmont, MD | Richmond, VT | United States |
| White | 22.0% | 92.8% | 59.4% |
| Black | 24.6% | 0.7% | 12.2% |
| Asian | 11.4% | 1.2% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 3.0% | 4.9% | 3.2% |
| Hispanic | 38.1% | 0.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Glenmont, MD | Richmond, VT | United States |
| Married Population | 53.5% | 59.8% | 49.8% |
| Currently Married | 51.8% | 59.6% | 48.0% |
| Married but Separated | 1.7% | 0.3% | 1.8% |
| Single Population | 46.5% | 40.2% | 50.2% |
| Never Married | 34.6% | 23.8% | 33.8% |
| Divorced | 8.7% | 8.7% | 10.8% |
| Widowed | 3.2% | 7.7% | 5.6% |
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| Household Size | 3.19 | 2.26 | 2.60 |
| Households | 4,938 | 1,833 | 124,010,992 |
| Family Households | 3,883 | 1,158 | 80,755,759 |
| Married couple, w/children | 35.0% | 40.8% | 30.5% |
| Married couple, no children | 36.3% | 46.8% | 42.9% |
| Non Family Households | 1,055 | 675 | 43,255,233 |
| Single householder, w/children | 16.8% | 8.0% | 15.8% |
| Single householder, no children | 11.8% | 4.3% | 10.8% |