| | Davis, WV | Oakland, MD | United States |
| Population | 846 | 2,187 | 329,725,481 |
| Female Population | 52.7% | 48.1% | 50.5% |
| Male Population | 47.3% | 51.9% | 49.5% |
| Median Age | 49.4 | 42.7 | 38.4 |
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| Population - 2010 | 660 | 1,895 | 309,327,143 |
| Population - 2000 | 624 | 1,930 | 285,036,114 |
| Population - 1990 | 799 | 1,741 | 251,960,433 |
| Pop. 2000 to Now | 2.9% | -6.6% | 15.6% |
| Pop. 1990 to Now | -19.7% | 3.6% | 30.8% |
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| Population Density | 462.0 | 806.4 | 93.4 |
| Land Area | 1.8 | 2.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Davis, WV | Oakland, MD | United States |
| Age 0 to 4 | 1.2% | 7.3% | 5.9% |
| Age 5 to 9 | 3.8% | 4.0% | 6.1% |
| Age 10 to 14 | 5.8% | 4.5% | 6.6% |
| Age 15 to 17 | 0.7% | 2.4% | 3.9% |
| Age 18 to 20 | 5.7% | 1.1% | 4.0% |
| Age 21 to 24 | 2.7% | 3.7% | 5.2% |
| Age 25 to 34 | 9.6% | 18.1% | 13.8% |
| Age 35 to 44 | 14.4% | 9.4% | 12.9% |
| Age 45 to 54 | 17.6% | 10.4% | 12.6% |
| Age 55 to 59 | 7.2% | 5.1% | 6.7% |
| Age 60 to 64 | 10.2% | 9.9% | 6.3% |
| Age 65 to 74 | 16.3% | 14.1% | 9.6% |
| Age 75 to 84 | 1.9% | 8.7% | 4.5% |
| Age 85 and over | 3.0% | 1.3% | 1.9% |
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| Race | | | |
| | Davis, WV | Oakland, MD | United States |
| White | 97.3% | 94.7% | 59.4% |
| Black | 0.0% | 1.3% | 12.2% |
| Asian | 0.0% | 1.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 0.0% | 3.2% |
| Hispanic | 0.4% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Davis, WV | Oakland, MD | United States |
| Married Population | 50.6% | 49.9% | 49.8% |
| Currently Married | 50.2% | 48.6% | 48.0% |
| Married but Separated | 0.4% | 1.3% | 1.8% |
| Single Population | 49.4% | 50.1% | 50.2% |
| Never Married | 31.3% | 29.1% | 33.8% |
| Divorced | 10.2% | 10.9% | 10.8% |
| Widowed | 7.9% | 10.1% | 5.6% |
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| Household Size | 2.24 | 2.19 | 2.60 |
| Households | 378 | 925 | 124,010,992 |
| Family Households | 174 | 499 | 80,755,759 |
| Married couple, w/children | 33.3% | 39.9% | 30.5% |
| Married couple, no children | 52.3% | 40.3% | 42.9% |
| Non Family Households | 204 | 426 | 43,255,233 |
| Single householder, w/children | 8.6% | 16.0% | 15.8% |
| Single householder, no children | 5.7% | 3.8% | 10.8% |