| | Franklin Lakes, NJ | Gettysburg, PA | United States |
| Population | 11,034 | 7,423 | 329,725,481 |
| Female Population | 49.9% | 48.8% | 50.5% |
| Male Population | 50.1% | 51.2% | 49.5% |
| Median Age | 48.1 | 24.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 10,598 | 7,595 | 309,327,143 |
| Population - 2000 | 10,422 | 7,490 | 285,036,114 |
| Population - 1990 | 9,873 | 7,025 | 251,960,433 |
| Pop. 2000 to Now | 7.5% | 2.9% | 15.6% |
| Pop. 1990 to Now | 13.5% | 9.7% | 30.8% |
| space4 | | | |
| Population Density | 1,172.1 | 4,471.7 | 93.4 |
| Land Area | 9.4 | 1.7 | 3,531,905.4 |
| Water Area | 0.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Franklin Lakes, NJ | Gettysburg, PA | United States |
| Age 0 to 4 | 2.6% | 2.7% | 5.9% |
| Age 5 to 9 | 7.3% | 2.5% | 6.1% |
| Age 10 to 14 | 8.9% | 3.6% | 6.6% |
| Age 15 to 17 | 5.3% | 3.1% | 3.9% |
| Age 18 to 20 | 3.2% | 29.2% | 4.0% |
| Age 21 to 24 | 3.7% | 9.1% | 5.2% |
| Age 25 to 34 | 6.1% | 12.3% | 13.8% |
| Age 35 to 44 | 9.3% | 9.9% | 12.9% |
| Age 45 to 54 | 14.8% | 8.2% | 12.6% |
| Age 55 to 59 | 11.4% | 3.6% | 6.7% |
| Age 60 to 64 | 6.9% | 4.4% | 6.3% |
| Age 65 to 74 | 12.0% | 6.2% | 9.6% |
| Age 75 to 84 | 6.7% | 4.0% | 4.5% |
| Age 85 and over | 1.9% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Franklin Lakes, NJ | Gettysburg, PA | United States |
| White | 78.5% | 75.3% | 59.4% |
| Black | 1.6% | 3.8% | 12.2% |
| Asian | 9.4% | 2.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 2.9% | 3.2% |
| Hispanic | 9.2% | 15.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Franklin Lakes, NJ | Gettysburg, PA | United States |
| Married Population | 67.9% | 26.2% | 49.8% |
| Currently Married | 67.5% | 24.9% | 48.0% |
| Married but Separated | 0.5% | 1.2% | 1.8% |
| Single Population | 32.1% | 73.8% | 50.2% |
| Never Married | 21.9% | 59.2% | 33.8% |
| Divorced | 5.7% | 12.1% | 10.8% |
| Widowed | 4.5% | 2.6% | 5.6% |
| space5 | | | |
| Household Size | 2.87 | 2.08 | 2.60 |
| Households | 3,844 | 2,304 | 124,010,992 |
| Family Households | 3,233 | 1,143 | 80,755,759 |
| Married couple, w/children | 40.6% | 21.2% | 30.5% |
| Married couple, no children | 51.9% | 46.5% | 42.9% |
| Non Family Households | 611 | 1,161 | 43,255,233 |
| Single householder, w/children | 2.0% | 12.2% | 15.8% |
| Single householder, no children | 5.5% | 20.0% | 10.8% |