| | Lewisburg, WV | Lewisburg, PA | United States |
| Population | 3,923 | 5,336 | 329,725,481 |
| Female Population | 56.4% | 52.6% | 50.5% |
| Male Population | 43.6% | 47.4% | 49.5% |
| Median Age | 40.9 | 24.6 | 38.4 |
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| Population - 2010 | 3,840 | 5,793 | 309,327,143 |
| Population - 2000 | 3,624 | 5,620 | 285,036,114 |
| Population - 1990 | 3,598 | 5,785 | 251,960,433 |
| Pop. 2000 to Now | 3.9% | 1.2% | 15.6% |
| Pop. 1990 to Now | 4.7% | -1.7% | 30.8% |
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| Population Density | 1,031.6 | 5,484.1 | 93.4 |
| Land Area | 3.8 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lewisburg, WV | Lewisburg, PA | United States |
| Age 0 to 4 | 4.1% | 1.9% | 5.9% |
| Age 5 to 9 | 9.0% | 2.1% | 6.1% |
| Age 10 to 14 | 7.1% | 1.5% | 6.6% |
| Age 15 to 17 | 1.4% | 1.8% | 3.9% |
| Age 18 to 20 | 0.5% | 31.4% | 4.0% |
| Age 21 to 24 | 3.2% | 11.8% | 5.2% |
| Age 25 to 34 | 11.5% | 7.8% | 13.8% |
| Age 35 to 44 | 15.9% | 7.6% | 12.9% |
| Age 45 to 54 | 6.9% | 7.0% | 12.6% |
| Age 55 to 59 | 4.3% | 6.2% | 6.7% |
| Age 60 to 64 | 4.6% | 4.1% | 6.3% |
| Age 65 to 74 | 18.7% | 8.9% | 9.6% |
| Age 75 to 84 | 10.2% | 4.2% | 4.5% |
| Age 85 and over | 2.7% | 3.8% | 1.9% |
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| Race | | | |
| | Lewisburg, WV | Lewisburg, PA | United States |
| White | 87.3% | 89.7% | 59.4% |
| Black | 3.4% | 1.6% | 12.2% |
| Asian | 5.3% | 4.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.0% | 0.4% |
| Two or More Races | 0.0% | 1.1% | 3.2% |
| Hispanic | 4.0% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | Lewisburg, WV | Lewisburg, PA | United States |
| Married Population | 41.4% | 25.1% | 49.8% |
| Currently Married | 39.4% | 22.9% | 48.0% |
| Married but Separated | 1.9% | 2.2% | 1.8% |
| Single Population | 58.6% | 74.9% | 50.2% |
| Never Married | 30.8% | 60.1% | 33.8% |
| Divorced | 13.6% | 9.0% | 10.8% |
| Widowed | 14.2% | 5.8% | 5.6% |
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| Household Size | 1.97 | 1.70 | 2.60 |
| Households | 1,971 | 1,905 | 124,010,992 |
| Family Households | 756 | 671 | 80,755,759 |
| Married couple, w/children | 30.0% | 29.8% | 30.5% |
| Married couple, no children | 44.3% | 57.2% | 42.9% |
| Non Family Households | 1,215 | 1,234 | 43,255,233 |
| Single householder, w/children | 16.1% | 8.0% | 15.8% |
| Single householder, no children | 9.5% | 4.9% | 10.8% |