| | Swedesboro, NJ | Carlstadt, NJ | United States |
| Population | 2,721 | 6,358 | 329,725,481 |
| Female Population | 50.2% | 44.6% | 50.5% |
| Male Population | 49.8% | 55.4% | 49.5% |
| Median Age | 33.2 | 40.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,597 | 6,127 | 309,327,143 |
| Population - 2000 | 2,055 | 5,917 | 285,036,114 |
| Population - 1990 | 2,024 | 5,510 | 251,960,433 |
| Pop. 2000 to Now | 25.4% | 3.2% | 15.6% |
| Pop. 1990 to Now | 27.3% | 10.9% | 30.8% |
| space4 | | | |
| Population Density | 3,722.3 | 1,610.8 | 93.4 |
| Land Area | 0.7 | 3.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Swedesboro, NJ | Carlstadt, NJ | United States |
| Age 0 to 4 | 6.1% | 5.6% | 5.9% |
| Age 5 to 9 | 12.0% | 2.1% | 6.1% |
| Age 10 to 14 | 11.7% | 5.0% | 6.6% |
| Age 15 to 17 | 3.4% | 3.2% | 3.9% |
| Age 18 to 20 | 1.3% | 5.8% | 4.0% |
| Age 21 to 24 | 2.8% | 6.9% | 5.2% |
| Age 25 to 34 | 15.5% | 13.6% | 13.8% |
| Age 35 to 44 | 18.6% | 14.0% | 12.9% |
| Age 45 to 54 | 10.7% | 18.0% | 12.6% |
| Age 55 to 59 | 5.4% | 8.4% | 6.7% |
| Age 60 to 64 | 4.1% | 2.0% | 6.3% |
| Age 65 to 74 | 5.2% | 9.7% | 9.6% |
| Age 75 to 84 | 1.6% | 4.2% | 4.5% |
| Age 85 and over | 1.4% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Swedesboro, NJ | Carlstadt, NJ | United States |
| White | 69.6% | 71.8% | 59.4% |
| Black | 13.1% | 0.4% | 12.2% |
| Asian | 1.4% | 8.8% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.6% | 1.0% | 3.2% |
| Hispanic | 11.3% | 17.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Swedesboro, NJ | Carlstadt, NJ | United States |
| Married Population | 44.3% | 50.8% | 49.8% |
| Currently Married | 39.5% | 50.5% | 48.0% |
| Married but Separated | 4.8% | 0.2% | 1.8% |
| Single Population | 55.7% | 49.2% | 50.2% |
| Never Married | 30.3% | 38.2% | 33.8% |
| Divorced | 20.5% | 7.6% | 10.8% |
| Widowed | 4.8% | 3.5% | 5.6% |
| space5 | | | |
| Household Size | 2.78 | 2.64 | 2.60 |
| Households | 976 | 2,411 | 124,010,992 |
| Family Households | 663 | 1,642 | 80,755,759 |
| Married couple, w/children | 25.5% | 29.7% | 30.5% |
| Married couple, no children | 24.7% | 47.5% | 42.9% |
| Non Family Households | 313 | 769 | 43,255,233 |
| Single householder, w/children | 38.6% | 9.7% | 15.8% |
| Single householder, no children | 11.2% | 13.2% | 10.8% |