| | Califon, NJ | Morgantown, WV | United States |
| Population | 1,041 | 29,316 | 329,725,481 |
| Female Population | 49.7% | 45.5% | 50.5% |
| Male Population | 50.3% | 54.6% | 49.5% |
| Median Age | 41.7 | 24.4 | 38.4 |
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| Population - 2010 | 1,062 | 28,638 | 309,327,143 |
| Population - 2000 | 1,055 | 26,809 | 285,036,114 |
| Population - 1990 | 1,073 | 25,879 | 251,960,433 |
| Pop. 2000 to Now | -2.1% | 15.1% | 15.6% |
| Pop. 1990 to Now | -3.7% | 19.2% | 30.8% |
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| Population Density | 1,085.5 | 2,936.3 | 93.4 |
| Land Area | 1.0 | 10.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Califon, NJ | Morgantown, WV | United States |
| Age 0 to 4 | 4.8% | 3.1% | 5.9% |
| Age 5 to 9 | 7.8% | 3.1% | 6.1% |
| Age 10 to 14 | 5.2% | 3.0% | 6.6% |
| Age 15 to 17 | 4.8% | 1.1% | 3.9% |
| Age 18 to 20 | 2.2% | 23.0% | 4.0% |
| Age 21 to 24 | 4.1% | 18.1% | 5.2% |
| Age 25 to 34 | 11.5% | 14.9% | 13.8% |
| Age 35 to 44 | 14.0% | 8.8% | 12.9% |
| Age 45 to 54 | 21.3% | 7.3% | 12.6% |
| Age 55 to 59 | 8.2% | 3.6% | 6.7% |
| Age 60 to 64 | 3.7% | 4.5% | 6.3% |
| Age 65 to 74 | 8.6% | 6.1% | 9.6% |
| Age 75 to 84 | 2.1% | 2.2% | 4.5% |
| Age 85 and over | 1.6% | 1.2% | 1.9% |
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| Race | | | |
| | Califon, NJ | Morgantown, WV | United States |
| White | 97.0% | 83.7% | 59.4% |
| Black | 0.0% | 5.0% | 12.2% |
| Asian | 1.2% | 3.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.7% | 0.4% |
| Two or More Races | 0.6% | 3.6% | 3.2% |
| Hispanic | 1.2% | 3.6% | 18.4% |
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| Marriage & Family | | | |
| | Califon, NJ | Morgantown, WV | United States |
| Married Population | 53.6% | 27.8% | 49.8% |
| Currently Married | 52.0% | 26.7% | 48.0% |
| Married but Separated | 1.6% | 1.1% | 1.8% |
| Single Population | 46.4% | 72.2% | 50.2% |
| Never Married | 31.4% | 62.4% | 33.8% |
| Divorced | 10.3% | 7.2% | 10.8% |
| Widowed | 4.7% | 2.6% | 5.6% |
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| Household Size | 2.36 | 2.12 | 2.60 |
| Households | 441 | 11,637 | 124,010,992 |
| Family Households | 275 | 4,756 | 80,755,759 |
| Married couple, w/children | 39.6% | 22.3% | 30.5% |
| Married couple, no children | 38.5% | 46.9% | 42.9% |
| Non Family Households | 166 | 6,881 | 43,255,233 |
| Single householder, w/children | 12.7% | 14.3% | 15.8% |
| Single householder, no children | 9.1% | 16.5% | 10.8% |