| | Longmeadow, MA | Little Egg Harbor, NJ | United States |
| Population | 15,863 | 20,693 | 329,725,481 |
| Female Population | 53.6% | 51.5% | 50.5% |
| Male Population | 46.4% | 48.5% | 49.5% |
| Median Age | 44.5 | 51.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,810 | 20,115 | 309,327,143 |
| Population - 2000 | 15,633 | 15,945 | 285,036,114 |
| Population - 1990 | 15,467 | 13,333 | 251,960,433 |
| Pop. 2000 to Now | -0.1% | 38.0% | 15.6% |
| Pop. 1990 to Now | 1.0% | 65.1% | 30.8% |
| space4 | | | |
| Population Density | 1,739.6 | 436.9 | 93.4 |
| Land Area | 9.1 | 47.4 | 3,531,905.4 |
| Water Area | 0.5 | 25.7 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Longmeadow, MA | Little Egg Harbor, NJ | United States |
| Age 0 to 4 | 5.6% | 3.8% | 5.9% |
| Age 5 to 9 | 6.2% | 6.0% | 6.1% |
| Age 10 to 14 | 8.8% | 5.5% | 6.6% |
| Age 15 to 17 | 4.3% | 2.7% | 3.9% |
| Age 18 to 20 | 3.4% | 1.5% | 4.0% |
| Age 21 to 24 | 3.0% | 3.5% | 5.2% |
| Age 25 to 34 | 7.7% | 8.5% | 13.8% |
| Age 35 to 44 | 11.4% | 11.8% | 12.9% |
| Age 45 to 54 | 14.0% | 12.5% | 12.6% |
| Age 55 to 59 | 6.8% | 7.9% | 6.7% |
| Age 60 to 64 | 6.5% | 9.6% | 6.3% |
| Age 65 to 74 | 12.8% | 14.5% | 9.6% |
| Age 75 to 84 | 5.6% | 8.6% | 4.5% |
| Age 85 and over | 3.9% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Longmeadow, MA | Little Egg Harbor, NJ | United States |
| White | 85.0% | 86.7% | 59.4% |
| Black | 1.5% | 2.3% | 12.2% |
| Asian | 6.4% | 2.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.8% | 3.6% | 3.2% |
| Hispanic | 5.3% | 5.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Longmeadow, MA | Little Egg Harbor, NJ | United States |
| Married Population | 62.3% | 59.5% | 49.8% |
| Currently Married | 61.8% | 58.2% | 48.0% |
| Married but Separated | 0.5% | 1.3% | 1.8% |
| Single Population | 37.7% | 40.5% | 50.2% |
| Never Married | 21.7% | 21.0% | 33.8% |
| Divorced | 8.3% | 11.8% | 10.8% |
| Widowed | 7.8% | 7.7% | 5.6% |
| space5 | | | |
| Household Size | 2.63 | 2.32 | 2.60 |
| Households | 5,821 | 8,801 | 124,010,992 |
| Family Households | 4,266 | 5,934 | 80,755,759 |
| Married couple, w/children | 41.3% | 26.5% | 30.5% |
| Married couple, no children | 47.6% | 56.0% | 42.9% |
| Non Family Households | 1,555 | 2,867 | 43,255,233 |
| Single householder, w/children | 6.0% | 7.5% | 15.8% |
| Single householder, no children | 5.1% | 10.0% | 10.8% |