| | Bethlehem, WV | Wheeling, WV | United States |
| Population | 2,559 | 27,142 | 329,725,481 |
| Female Population | 48.9% | 52.3% | 50.5% |
| Male Population | 51.1% | 47.7% | 49.5% |
| Median Age | 40.5 | 43.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,493 | 28,398 | 309,327,143 |
| Population - 2000 | 2,651 | 31,419 | 285,036,114 |
| Population - 1990 | 2,694 | 34,882 | 251,960,433 |
| Pop. 2000 to Now | -13.3% | -16.4% | 15.6% |
| Pop. 1990 to Now | -14.7% | -24.7% | 30.8% |
| space4 | | | |
| Population Density | 722.1 | 1,970.4 | 93.4 |
| Land Area | 3.5 | 13.8 | 3,531,905.4 |
| Water Area | 0.0 | 2.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bethlehem, WV | Wheeling, WV | United States |
| Age 0 to 4 | 6.7% | 5.7% | 5.9% |
| Age 5 to 9 | 8.3% | 4.8% | 6.1% |
| Age 10 to 14 | 5.7% | 6.0% | 6.6% |
| Age 15 to 17 | 3.1% | 3.8% | 3.9% |
| Age 18 to 20 | 0.9% | 4.2% | 4.0% |
| Age 21 to 24 | 2.9% | 4.3% | 5.2% |
| Age 25 to 34 | 12.8% | 11.1% | 13.8% |
| Age 35 to 44 | 13.7% | 11.4% | 12.9% |
| Age 45 to 54 | 12.7% | 10.2% | 12.6% |
| Age 55 to 59 | 5.7% | 6.4% | 6.7% |
| Age 60 to 64 | 7.2% | 8.1% | 6.3% |
| Age 65 to 74 | 12.4% | 13.2% | 9.6% |
| Age 75 to 84 | 4.4% | 6.7% | 4.5% |
| Age 85 and over | 3.4% | 4.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bethlehem, WV | Wheeling, WV | United States |
| White | 99.0% | 89.6% | 59.4% |
| Black | 0.1% | 4.5% | 12.2% |
| Asian | 0.4% | 0.5% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.3% | 3.3% | 3.2% |
| Hispanic | 0.2% | 1.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bethlehem, WV | Wheeling, WV | United States |
| Married Population | 68.4% | 39.9% | 49.8% |
| Currently Married | 67.5% | 38.3% | 48.0% |
| Married but Separated | 0.8% | 1.7% | 1.8% |
| Single Population | 31.6% | 60.1% | 50.2% |
| Never Married | 17.0% | 36.7% | 33.8% |
| Divorced | 6.9% | 13.9% | 10.8% |
| Widowed | 7.8% | 9.5% | 5.6% |
| space5 | | | |
| Household Size | 2.45 | 2.22 | 2.60 |
| Households | 1,043 | 11,737 | 124,010,992 |
| Family Households | 762 | 5,896 | 80,755,759 |
| Married couple, w/children | 32.9% | 24.9% | 30.5% |
| Married couple, no children | 56.7% | 43.8% | 42.9% |
| Non Family Households | 281 | 5,841 | 43,255,233 |
| Single householder, w/children | 4.5% | 20.1% | 15.8% |
| Single householder, no children | 5.9% | 11.1% | 10.8% |