| | Ridgefield Park, NJ | Englewood, NJ | United States |
| Population | 13,202 | 29,129 | 329,725,481 |
| Female Population | 51.9% | 54.3% | 50.5% |
| Male Population | 48.1% | 45.7% | 49.5% |
| Median Age | 37.4 | 42.4 | 38.4 |
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| Population - 2010 | 12,737 | 27,140 | 309,327,143 |
| Population - 2000 | 12,873 | 26,203 | 285,036,114 |
| Population - 1990 | 12,454 | 24,850 | 251,960,433 |
| Pop. 2000 to Now | -0.3% | 7.9% | 15.6% |
| Pop. 1990 to Now | 3.1% | 13.8% | 30.8% |
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| Population Density | 7,743.1 | 5,914.5 | 93.4 |
| Land Area | 1.7 | 4.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ridgefield Park, NJ | Englewood, NJ | United States |
| Age 0 to 4 | 7.5% | 5.3% | 5.9% |
| Age 5 to 9 | 4.9% | 4.8% | 6.1% |
| Age 10 to 14 | 5.4% | 7.6% | 6.6% |
| Age 15 to 17 | 4.2% | 3.3% | 3.9% |
| Age 18 to 20 | 2.2% | 2.8% | 4.0% |
| Age 21 to 24 | 4.1% | 4.5% | 5.2% |
| Age 25 to 34 | 16.9% | 13.2% | 13.8% |
| Age 35 to 44 | 14.4% | 12.3% | 12.9% |
| Age 45 to 54 | 11.2% | 15.0% | 12.6% |
| Age 55 to 59 | 7.1% | 7.4% | 6.7% |
| Age 60 to 64 | 7.1% | 6.5% | 6.3% |
| Age 65 to 74 | 8.9% | 10.3% | 9.6% |
| Age 75 to 84 | 4.1% | 5.0% | 4.5% |
| Age 85 and over | 1.9% | 1.9% | 1.9% |
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| Race | | | |
| | Ridgefield Park, NJ | Englewood, NJ | United States |
| White | 35.7% | 32.8% | 59.4% |
| Black | 3.4% | 25.4% | 12.2% |
| Asian | 6.2% | 11.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 2.2% | 0.4% |
| Two or More Races | 1.8% | 2.2% | 3.2% |
| Hispanic | 52.6% | 26.1% | 18.4% |
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| Marriage & Family | | | |
| | Ridgefield Park, NJ | Englewood, NJ | United States |
| Married Population | 48.5% | 51.4% | 49.8% |
| Currently Married | 46.2% | 49.7% | 48.0% |
| Married but Separated | 2.4% | 1.7% | 1.8% |
| Single Population | 51.5% | 48.6% | 50.2% |
| Never Married | 34.6% | 33.7% | 33.8% |
| Divorced | 12.6% | 10.2% | 10.8% |
| Widowed | 4.3% | 4.7% | 5.6% |
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| Household Size | 2.65 | 2.56 | 2.60 |
| Households | 4,971 | 11,320 | 124,010,992 |
| Family Households | 3,305 | 7,899 | 80,755,759 |
| Married couple, w/children | 34.4% | 23.1% | 30.5% |
| Married couple, no children | 34.0% | 40.5% | 42.9% |
| Non Family Households | 1,666 | 3,421 | 43,255,233 |
| Single householder, w/children | 21.5% | 17.0% | 15.8% |
| Single householder, no children | 10.1% | 19.4% | 10.8% |