| | Oxon Hill, MD | Virginia Beach, VA | United States |
| Population | 18,763 | 457,658 | 329,725,481 |
| Female Population | 53.1% | 50.7% | 50.5% |
| Male Population | 46.9% | 49.3% | 49.5% |
| Median Age | 43.7 | 36.7 | 38.4 |
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| Population - 2010 | 18,417 | 438,864 | 309,327,143 |
| Population - 2000 | 17,776 | 425,257 | 285,036,114 |
| Population - 1990 | 17,035 | 393,069 | 251,960,433 |
| Pop. 2000 to Now | 2.0% | 6.1% | 15.6% |
| Pop. 1990 to Now | 6.5% | 14.8% | 30.8% |
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| Population Density | 2,834.7 | 1,870.1 | 93.4 |
| Land Area | 6.6 | 244.7 | 3,531,905.4 |
| Water Area | 0.0 | 252.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Oxon Hill, MD | Virginia Beach, VA | United States |
| Age 0 to 4 | 7.5% | 6.1% | 5.9% |
| Age 5 to 9 | 3.8% | 6.2% | 6.1% |
| Age 10 to 14 | 4.4% | 6.2% | 6.6% |
| Age 15 to 17 | 3.2% | 3.7% | 3.9% |
| Age 18 to 20 | 3.3% | 3.7% | 4.0% |
| Age 21 to 24 | 4.9% | 5.4% | 5.2% |
| Age 25 to 34 | 11.1% | 16.1% | 13.8% |
| Age 35 to 44 | 13.1% | 13.6% | 12.9% |
| Age 45 to 54 | 15.7% | 12.1% | 12.6% |
| Age 55 to 59 | 8.1% | 6.5% | 6.7% |
| Age 60 to 64 | 5.9% | 6.0% | 6.3% |
| Age 65 to 74 | 11.7% | 8.6% | 9.6% |
| Age 75 to 84 | 5.7% | 4.1% | 4.5% |
| Age 85 and over | 1.5% | 1.6% | 1.9% |
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| Race | | | |
| | Oxon Hill, MD | Virginia Beach, VA | United States |
| White | 3.5% | 60.5% | 59.4% |
| Black | 72.4% | 18.3% | 12.2% |
| Asian | 3.5% | 6.8% | 5.6% |
| Native American | 0.3% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.3% | 0.4% | 0.4% |
| Two or More Races | 2.0% | 5.1% | 3.2% |
| Hispanic | 18.1% | 8.6% | 18.4% |
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| Marriage & Family | | | |
| | Oxon Hill, MD | Virginia Beach, VA | United States |
| Married Population | 43.1% | 52.9% | 49.8% |
| Currently Married | 39.8% | 50.8% | 48.0% |
| Married but Separated | 3.3% | 2.1% | 1.8% |
| Single Population | 56.9% | 47.1% | 50.2% |
| Never Married | 39.0% | 30.9% | 33.8% |
| Divorced | 11.9% | 11.2% | 10.8% |
| Widowed | 6.0% | 5.1% | 5.6% |
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| Household Size | 2.54 | 2.53 | 2.60 |
| Households | 7,381 | 177,046 | 124,010,992 |
| Family Households | 4,359 | 120,270 | 80,755,759 |
| Married couple, w/children | 27.3% | 32.4% | 30.5% |
| Married couple, no children | 34.0% | 41.3% | 42.9% |
| Non Family Households | 3,022 | 56,776 | 43,255,233 |
| Single householder, w/children | 16.4% | 15.7% | 15.8% |
| Single householder, no children | 22.3% | 10.6% | 10.8% |