| | Jamesburg, NJ | West Easton, PA | United States |
| Population | 5,784 | 1,265 | 329,725,481 |
| Female Population | 47.2% | 53.0% | 50.5% |
| Male Population | 52.8% | 47.0% | 49.5% |
| Median Age | 37.4 | 39.6 | 38.4 |
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| Population - 2010 | 5,858 | 1,256 | 309,327,143 |
| Population - 2000 | 6,025 | 1,152 | 285,036,114 |
| Population - 1990 | 5,294 | 1,163 | 251,960,433 |
| Pop. 2000 to Now | -3.5% | 8.3% | 15.6% |
| Pop. 1990 to Now | 9.9% | 7.2% | 30.8% |
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| Population Density | 6,557.8 | 4,147.5 | 93.4 |
| Land Area | 0.9 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Jamesburg, NJ | West Easton, PA | United States |
| Age 0 to 4 | 4.3% | 6.2% | 5.9% |
| Age 5 to 9 | 7.4% | 10.3% | 6.1% |
| Age 10 to 14 | 10.2% | 7.6% | 6.6% |
| Age 15 to 17 | 2.1% | 3.7% | 3.9% |
| Age 18 to 20 | 4.2% | 4.2% | 4.0% |
| Age 21 to 24 | 3.1% | 2.8% | 5.2% |
| Age 25 to 34 | 16.0% | 11.5% | 13.8% |
| Age 35 to 44 | 17.7% | 8.9% | 12.9% |
| Age 45 to 54 | 11.4% | 14.3% | 12.6% |
| Age 55 to 59 | 6.9% | 8.5% | 6.7% |
| Age 60 to 64 | 3.5% | 5.6% | 6.3% |
| Age 65 to 74 | 9.0% | 12.4% | 9.6% |
| Age 75 to 84 | 3.5% | 2.9% | 4.5% |
| Age 85 and over | 0.5% | 1.0% | 1.9% |
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| Race | | | |
| | Jamesburg, NJ | West Easton, PA | United States |
| White | 63.3% | 71.6% | 59.4% |
| Black | 2.7% | 1.2% | 12.2% |
| Asian | 5.7% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 4.2% | 3.2% |
| Hispanic | 25.1% | 22.5% | 18.4% |
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| Marriage & Family | | | |
| | Jamesburg, NJ | West Easton, PA | United States |
| Married Population | 53.0% | 51.4% | 49.8% |
| Currently Married | 52.2% | 47.7% | 48.0% |
| Married but Separated | 0.8% | 3.7% | 1.8% |
| Single Population | 47.0% | 48.6% | 50.2% |
| Never Married | 34.3% | 28.7% | 33.8% |
| Divorced | 6.1% | 11.2% | 10.8% |
| Widowed | 6.6% | 8.6% | 5.6% |
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| Household Size | 2.61 | 2.73 | 2.60 |
| Households | 2,206 | 460 | 124,010,992 |
| Family Households | 1,408 | 323 | 80,755,759 |
| Married couple, w/children | 44.2% | 32.5% | 30.5% |
| Married couple, no children | 34.4% | 36.5% | 42.9% |
| Non Family Households | 798 | 137 | 43,255,233 |
| Single householder, w/children | 9.2% | 25.4% | 15.8% |
| Single householder, no children | 12.2% | 5.6% | 10.8% |