| | Woodcliff Lake, NJ | Upper Saddle River, NJ | United States |
| Population | 6,112 | 8,352 | 329,725,481 |
| Female Population | 53.0% | 47.4% | 50.5% |
| Male Population | 47.0% | 52.6% | 49.5% |
| Median Age | 45.1 | 42.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,720 | 8,170 | 309,327,143 |
| Population - 2000 | 5,745 | 7,741 | 285,036,114 |
| Population - 1990 | 5,303 | 7,198 | 251,960,433 |
| Pop. 2000 to Now | 1.6% | 5.4% | 15.6% |
| Pop. 1990 to Now | 10.0% | 13.3% | 30.8% |
| space4 | | | |
| Population Density | 1,810.4 | 1,590.0 | 93.4 |
| Land Area | 3.4 | 5.3 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Woodcliff Lake, NJ | Upper Saddle River, NJ | United States |
| Age 0 to 4 | 4.1% | 5.6% | 5.9% |
| Age 5 to 9 | 6.1% | 4.8% | 6.1% |
| Age 10 to 14 | 6.2% | 9.2% | 6.6% |
| Age 15 to 17 | 11.1% | 7.3% | 3.9% |
| Age 18 to 20 | 0.9% | 3.0% | 4.0% |
| Age 21 to 24 | 4.8% | 4.5% | 5.2% |
| Age 25 to 34 | 4.5% | 11.0% | 13.8% |
| Age 35 to 44 | 12.2% | 9.1% | 12.9% |
| Age 45 to 54 | 19.6% | 16.5% | 12.6% |
| Age 55 to 59 | 8.3% | 9.3% | 6.7% |
| Age 60 to 64 | 6.1% | 6.8% | 6.3% |
| Age 65 to 74 | 7.2% | 7.8% | 9.6% |
| Age 75 to 84 | 5.0% | 4.6% | 4.5% |
| Age 85 and over | 3.9% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Woodcliff Lake, NJ | Upper Saddle River, NJ | United States |
| White | 82.5% | 72.7% | 59.4% |
| Black | 1.5% | 1.6% | 12.2% |
| Asian | 4.5% | 12.7% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 5.6% | 3.2% |
| Hispanic | 7.0% | 7.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Woodcliff Lake, NJ | Upper Saddle River, NJ | United States |
| Married Population | 65.3% | 63.1% | 49.8% |
| Currently Married | 65.3% | 62.7% | 48.0% |
| Married but Separated | 0.0% | 0.4% | 1.8% |
| Single Population | 34.7% | 36.9% | 50.2% |
| Never Married | 26.0% | 28.1% | 33.8% |
| Divorced | 3.3% | 6.0% | 10.8% |
| Widowed | 5.4% | 2.7% | 5.6% |
| space5 | | | |
| Household Size | 2.98 | 3.14 | 2.60 |
| Households | 2,021 | 2,659 | 124,010,992 |
| Family Households | 1,724 | 2,329 | 80,755,759 |
| Married couple, w/children | 46.9% | 49.5% | 30.5% |
| Married couple, no children | 48.0% | 37.6% | 42.9% |
| Non Family Households | 297 | 330 | 43,255,233 |
| Single householder, w/children | 1.5% | 9.1% | 15.8% |
| Single householder, no children | 3.7% | 3.8% | 10.8% |