| | Lake Katrine, NY | Wanaque, NJ | United States |
| Population | 2,465 | 11,285 | 329,725,481 |
| Female Population | 46.7% | 48.6% | 50.5% |
| Male Population | 53.3% | 51.4% | 49.5% |
| Median Age | 53.9 | 46.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,370 | 11,080 | 309,327,143 |
| Population - 2000 | 2,396 | 10,266 | 285,036,114 |
| Population - 1990 | 1,998 | 9,711 | 251,960,433 |
| Pop. 2000 to Now | 3.1% | 14.1% | 15.6% |
| Pop. 1990 to Now | 23.7% | 20.7% | 30.8% |
| space4 | | | |
| Population Density | 1,093.6 | 1,399.1 | 93.4 |
| Land Area | 2.3 | 8.1 | 3,531,905.4 |
| Water Area | 0.0 | 1.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lake Katrine, NY | Wanaque, NJ | United States |
| Age 0 to 4 | 2.4% | 4.0% | 5.9% |
| Age 5 to 9 | 2.9% | 4.3% | 6.1% |
| Age 10 to 14 | 2.2% | 5.3% | 6.6% |
| Age 15 to 17 | 5.2% | 1.9% | 3.9% |
| Age 18 to 20 | 0.6% | 1.9% | 4.0% |
| Age 21 to 24 | 2.8% | 7.8% | 5.2% |
| Age 25 to 34 | 9.7% | 13.9% | 13.8% |
| Age 35 to 44 | 9.9% | 9.6% | 12.9% |
| Age 45 to 54 | 15.5% | 16.2% | 12.6% |
| Age 55 to 59 | 9.0% | 7.5% | 6.7% |
| Age 60 to 64 | 9.9% | 7.5% | 6.3% |
| Age 65 to 74 | 15.7% | 9.1% | 9.6% |
| Age 75 to 84 | 6.3% | 8.4% | 4.5% |
| Age 85 and over | 7.7% | 2.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lake Katrine, NY | Wanaque, NJ | United States |
| White | 75.3% | 77.4% | 59.4% |
| Black | 4.2% | 1.4% | 12.2% |
| Asian | 1.0% | 3.8% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 7.1% | 2.2% | 3.2% |
| Hispanic | 12.5% | 14.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lake Katrine, NY | Wanaque, NJ | United States |
| Married Population | 32.5% | 46.5% | 49.8% |
| Currently Married | 32.1% | 45.5% | 48.0% |
| Married but Separated | 0.5% | 1.0% | 1.8% |
| Single Population | 67.5% | 53.5% | 50.2% |
| Never Married | 42.3% | 36.7% | 33.8% |
| Divorced | 13.5% | 10.2% | 10.8% |
| Widowed | 11.6% | 6.6% | 5.6% |
| space5 | | | |
| Household Size | 2.02 | 2.56 | 2.60 |
| Households | 970 | 4,251 | 124,010,992 |
| Family Households | 462 | 2,698 | 80,755,759 |
| Married couple, w/children | 20.1% | 30.5% | 30.5% |
| Married couple, no children | 50.0% | 47.0% | 42.9% |
| Non Family Households | 508 | 1,553 | 43,255,233 |
| Single householder, w/children | 20.8% | 7.5% | 15.8% |
| Single householder, no children | 9.1% | 14.9% | 10.8% |