| | Ewing, NJ | Jackson, MS | United States |
| Population | 37,284 | 156,803 | 329,725,481 |
| Female Population | 51.7% | 53.8% | 50.5% |
| Male Population | 48.4% | 46.2% | 49.5% |
| Median Age | 36.9 | 33.5 | 38.4 |
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| Population - 2010 | 35,736 | 173,703 | 309,327,143 |
| Population - 2000 | 35,707 | 184,256 | 285,036,114 |
| Population - 1990 | 34,185 | 196,637 | 251,960,433 |
| Pop. 2000 to Now | 2.1% | -14.4% | 15.6% |
| Pop. 1990 to Now | 6.6% | -19.7% | 30.8% |
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| Population Density | 2,444.9 | 1,411.8 | 93.4 |
| Land Area | 15.3 | 111.1 | 3,531,905.4 |
| Water Area | 0.3 | 2.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ewing, NJ | Jackson, MS | United States |
| Age 0 to 4 | 4.1% | 7.0% | 5.9% |
| Age 5 to 9 | 3.4% | 6.3% | 6.1% |
| Age 10 to 14 | 4.6% | 7.3% | 6.6% |
| Age 15 to 17 | 3.5% | 3.9% | 3.9% |
| Age 18 to 20 | 12.0% | 5.4% | 4.0% |
| Age 21 to 24 | 10.0% | 6.5% | 5.2% |
| Age 25 to 34 | 10.1% | 15.6% | 13.8% |
| Age 35 to 44 | 9.8% | 11.7% | 12.9% |
| Age 45 to 54 | 12.3% | 11.0% | 12.6% |
| Age 55 to 59 | 6.3% | 5.8% | 6.7% |
| Age 60 to 64 | 6.2% | 6.3% | 6.3% |
| Age 65 to 74 | 9.6% | 8.3% | 9.6% |
| Age 75 to 84 | 5.1% | 3.5% | 4.5% |
| Age 85 and over | 2.9% | 1.4% | 1.9% |
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| Race | | | |
| | Ewing, NJ | Jackson, MS | United States |
| White | 54.4% | 14.5% | 59.4% |
| Black | 28.7% | 82.6% | 12.2% |
| Asian | 5.0% | 0.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.1% | 0.4% |
| Two or More Races | 2.9% | 0.9% | 3.2% |
| Hispanic | 8.6% | 1.5% | 18.4% |
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| Marriage & Family | | | |
| | Ewing, NJ | Jackson, MS | United States |
| Married Population | 35.8% | 34.0% | 49.8% |
| Currently Married | 33.8% | 30.0% | 48.0% |
| Married but Separated | 2.1% | 4.1% | 1.8% |
| Single Population | 64.2% | 66.0% | 50.2% |
| Never Married | 48.3% | 48.2% | 33.8% |
| Divorced | 9.3% | 11.8% | 10.8% |
| Widowed | 6.5% | 6.0% | 5.6% |
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| Household Size | 2.46 | 2.42 | 2.60 |
| Households | 13,284 | 61,942 | 124,010,992 |
| Family Households | 7,146 | 35,647 | 80,755,759 |
| Married couple, w/children | 27.5% | 18.2% | 30.5% |
| Married couple, no children | 41.8% | 28.8% | 42.9% |
| Non Family Households | 6,138 | 26,295 | 43,255,233 |
| Single householder, w/children | 11.2% | 33.2% | 15.8% |
| Single householder, no children | 19.5% | 19.8% | 10.8% |