| | Longport, NJ | Forked River, NJ | United States |
| Population | 742 | 5,139 | 329,725,481 |
| Female Population | 56.1% | 50.2% | 50.5% |
| Male Population | 43.9% | 49.8% | 49.5% |
| Median Age | 63.9 | 46.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 894 | 4,945 | 309,327,143 |
| Population - 2000 | 1,054 | 4,914 | 285,036,114 |
| Population - 1990 | 1,224 | 4,243 | 251,960,433 |
| Pop. 2000 to Now | -19.8% | 1.9% | 15.6% |
| Pop. 1990 to Now | -31.0% | 18.1% | 30.8% |
| space4 | | | |
| Population Density | 1,878.5 | 1,867.4 | 93.4 |
| Land Area | 0.4 | 2.8 | 3,531,905.4 |
| Water Area | 1.2 | 7.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Longport, NJ | Forked River, NJ | United States |
| Age 0 to 4 | 0.5% | 6.1% | 5.9% |
| Age 5 to 9 | 3.0% | 3.6% | 6.1% |
| Age 10 to 14 | 2.4% | 7.8% | 6.6% |
| Age 15 to 17 | 0.5% | 3.7% | 3.9% |
| Age 18 to 20 | 0.0% | 3.1% | 4.0% |
| Age 21 to 24 | 2.2% | 4.4% | 5.2% |
| Age 25 to 34 | 2.6% | 10.5% | 13.8% |
| Age 35 to 44 | 3.8% | 7.8% | 12.9% |
| Age 45 to 54 | 13.6% | 16.0% | 12.6% |
| Age 55 to 59 | 9.7% | 8.2% | 6.7% |
| Age 60 to 64 | 14.8% | 8.3% | 6.3% |
| Age 65 to 74 | 19.5% | 12.5% | 9.6% |
| Age 75 to 84 | 19.4% | 4.5% | 4.5% |
| Age 85 and over | 8.0% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Longport, NJ | Forked River, NJ | United States |
| White | 96.1% | 86.7% | 59.4% |
| Black | 0.0% | 0.3% | 12.2% |
| Asian | 1.6% | 1.5% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.2% | 0.4% |
| Two or More Races | 0.4% | 0.3% | 3.2% |
| Hispanic | 1.8% | 10.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Longport, NJ | Forked River, NJ | United States |
| Married Population | 63.9% | 55.6% | 49.8% |
| Currently Married | 63.2% | 55.3% | 48.0% |
| Married but Separated | 0.7% | 0.3% | 1.8% |
| Single Population | 36.1% | 44.4% | 50.2% |
| Never Married | 13.5% | 26.4% | 33.8% |
| Divorced | 10.9% | 8.6% | 10.8% |
| Widowed | 11.7% | 9.4% | 5.6% |
| space5 | | | |
| Household Size | 1.76 | 2.45 | 2.60 |
| Households | 421 | 2,089 | 124,010,992 |
| Family Households | 258 | 1,333 | 80,755,759 |
| Married couple, w/children | 7.0% | 27.5% | 30.5% |
| Married couple, no children | 76.4% | 54.6% | 42.9% |
| Non Family Households | 163 | 756 | 43,255,233 |
| Single householder, w/children | 7.0% | 9.8% | 15.8% |
| Single householder, no children | 9.7% | 8.1% | 10.8% |