| | Summersville, WV | Crivitz, WI | United States |
| Population | 3,467 | 1,140 | 329,725,481 |
| Female Population | 48.3% | 53.0% | 50.5% |
| Male Population | 51.7% | 47.0% | 49.5% |
| Median Age | 54 | 47.4 | 38.4 |
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| Population - 2010 | 3,557 | 978 | 309,327,143 |
| Population - 2000 | 3,294 | 998 | 285,036,114 |
| Population - 1990 | 2,906 | 996 | 251,960,433 |
| Pop. 2000 to Now | -2.1% | -6.0% | 15.6% |
| Pop. 1990 to Now | 11.0% | -5.8% | 30.8% |
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| Population Density | 772.7 | 719.2 | 93.4 |
| Land Area | 4.5 | 1.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Summersville, WV | Crivitz, WI | United States |
| Age 0 to 4 | 4.5% | 2.3% | 5.9% |
| Age 5 to 9 | 6.0% | 5.1% | 6.1% |
| Age 10 to 14 | 5.7% | 8.0% | 6.6% |
| Age 15 to 17 | 4.5% | 2.5% | 3.9% |
| Age 18 to 20 | 1.0% | 3.0% | 4.0% |
| Age 21 to 24 | 4.7% | 1.3% | 5.2% |
| Age 25 to 34 | 8.9% | 10.3% | 13.8% |
| Age 35 to 44 | 8.7% | 13.3% | 12.9% |
| Age 45 to 54 | 7.2% | 15.4% | 12.6% |
| Age 55 to 59 | 5.4% | 6.4% | 6.7% |
| Age 60 to 64 | 8.9% | 7.6% | 6.3% |
| Age 65 to 74 | 17.3% | 9.6% | 9.6% |
| Age 75 to 84 | 12.6% | 8.9% | 4.5% |
| Age 85 and over | 4.6% | 6.3% | 1.9% |
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| Race | | | |
| | Summersville, WV | Crivitz, WI | United States |
| White | 99.3% | 89.5% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.6% | 0.0% | 5.6% |
| Native American | 0.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.3% | 3.2% |
| Hispanic | 0.0% | 7.5% | 18.4% |
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| Marriage & Family | | | |
| | Summersville, WV | Crivitz, WI | United States |
| Married Population | 56.7% | 52.4% | 49.8% |
| Currently Married | 56.7% | 47.9% | 48.0% |
| Married but Separated | 0.0% | 4.6% | 1.8% |
| Single Population | 43.3% | 47.6% | 50.2% |
| Never Married | 22.9% | 22.9% | 33.8% |
| Divorced | 12.3% | 13.0% | 10.8% |
| Widowed | 8.1% | 11.7% | 5.6% |
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| Household Size | 2.18 | 2.25 | 2.60 |
| Households | 1,565 | 471 | 124,010,992 |
| Family Households | 1,068 | 264 | 80,755,759 |
| Married couple, w/children | 20.3% | 29.5% | 30.5% |
| Married couple, no children | 59.5% | 46.2% | 42.9% |
| Non Family Households | 497 | 207 | 43,255,233 |
| Single householder, w/children | 12.7% | 15.5% | 15.8% |
| Single householder, no children | 7.5% | 8.7% | 10.8% |