| | Lopatcong, NJ | Camp Hill, PA | United States |
| Population | 8,810 | 8,115 | 329,725,481 |
| Female Population | 48.8% | 51.9% | 50.5% |
| Male Population | 51.2% | 48.1% | 49.5% |
| Median Age | 48.1 | 42 | 38.4 |
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| Population - 2010 | 8,105 | 7,900 | 309,327,143 |
| Population - 2000 | 5,765 | 7,636 | 285,036,114 |
| Population - 1990 | 5,052 | 7,831 | 251,960,433 |
| Pop. 2000 to Now | 47.8% | 3.7% | 15.6% |
| Pop. 1990 to Now | 68.6% | 1.1% | 30.8% |
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| Population Density | 1,241.2 | 3,824.2 | 93.4 |
| Land Area | 7.1 | 2.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lopatcong, NJ | Camp Hill, PA | United States |
| Age 0 to 4 | 3.7% | 5.5% | 5.9% |
| Age 5 to 9 | 3.6% | 7.1% | 6.1% |
| Age 10 to 14 | 6.1% | 7.7% | 6.6% |
| Age 15 to 17 | 3.0% | 6.0% | 3.9% |
| Age 18 to 20 | 1.3% | 2.3% | 4.0% |
| Age 21 to 24 | 3.7% | 1.9% | 5.2% |
| Age 25 to 34 | 14.4% | 11.9% | 13.8% |
| Age 35 to 44 | 12.0% | 13.3% | 12.9% |
| Age 45 to 54 | 10.8% | 13.8% | 12.6% |
| Age 55 to 59 | 10.0% | 7.7% | 6.7% |
| Age 60 to 64 | 7.7% | 5.2% | 6.3% |
| Age 65 to 74 | 12.1% | 9.5% | 9.6% |
| Age 75 to 84 | 5.9% | 3.8% | 4.5% |
| Age 85 and over | 5.8% | 4.1% | 1.9% |
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| Race | | | |
| | Lopatcong, NJ | Camp Hill, PA | United States |
| White | 73.5% | 84.9% | 59.4% |
| Black | 10.1% | 2.4% | 12.2% |
| Asian | 4.2% | 2.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 1.1% | 3.2% | 3.2% |
| Hispanic | 11.1% | 6.6% | 18.4% |
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| Marriage & Family | | | |
| | Lopatcong, NJ | Camp Hill, PA | United States |
| Married Population | 54.1% | 59.4% | 49.8% |
| Currently Married | 52.8% | 57.8% | 48.0% |
| Married but Separated | 1.3% | 1.6% | 1.8% |
| Single Population | 45.9% | 40.6% | 50.2% |
| Never Married | 26.7% | 23.5% | 33.8% |
| Divorced | 9.6% | 12.1% | 10.8% |
| Widowed | 9.5% | 5.1% | 5.6% |
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| Household Size | 2.24 | 2.50 | 2.60 |
| Households | 3,822 | 3,201 | 124,010,992 |
| Family Households | 2,260 | 2,242 | 80,755,759 |
| Married couple, w/children | 32.2% | 42.6% | 30.5% |
| Married couple, no children | 50.4% | 35.7% | 42.9% |
| Non Family Households | 1,562 | 959 | 43,255,233 |
| Single householder, w/children | 8.6% | 15.5% | 15.8% |
| Single householder, no children | 8.8% | 6.2% | 10.8% |