| | Woodland Park, NJ | Westfield, MA | United States |
| Population | 13,265 | 40,922 | 329,725,481 |
| Female Population | 51.0% | 52.0% | 50.5% |
| Male Population | 49.0% | 48.0% | 49.5% |
| Median Age | 43.9 | 38.5 | 38.4 |
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| Population - 2010 | 11,835 | 41,121 | 309,327,143 |
| Population - 2000 | 10,996 | 40,072 | 285,036,114 |
| Population - 1990 | 10,993 | 38,372 | 251,960,433 |
| Pop. 2000 to Now | 15.1% | 2.5% | 15.6% |
| Pop. 1990 to Now | 15.1% | 7.0% | 30.8% |
| space4 | | | |
| Population Density | 4,513.4 | 884.7 | 93.4 |
| Land Area | 2.9 | 46.3 | 3,531,905.4 |
| Water Area | 0.1 | 1.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Woodland Park, NJ | Westfield, MA | United States |
| Age 0 to 4 | 7.0% | 4.1% | 5.9% |
| Age 5 to 9 | 4.6% | 5.8% | 6.1% |
| Age 10 to 14 | 4.3% | 5.1% | 6.6% |
| Age 15 to 17 | 3.5% | 4.0% | 3.9% |
| Age 18 to 20 | 4.6% | 8.0% | 4.0% |
| Age 21 to 24 | 6.0% | 5.9% | 5.2% |
| Age 25 to 34 | 10.9% | 13.7% | 13.8% |
| Age 35 to 44 | 10.0% | 11.2% | 12.9% |
| Age 45 to 54 | 13.8% | 11.3% | 12.6% |
| Age 55 to 59 | 9.0% | 7.0% | 6.7% |
| Age 60 to 64 | 5.9% | 6.4% | 6.3% |
| Age 65 to 74 | 10.5% | 10.7% | 9.6% |
| Age 75 to 84 | 7.3% | 4.0% | 4.5% |
| Age 85 and over | 2.7% | 2.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Woodland Park, NJ | Westfield, MA | United States |
| White | 58.9% | 83.0% | 59.4% |
| Black | 6.8% | 1.5% | 12.2% |
| Asian | 5.9% | 4.0% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.2% | 0.1% | 0.4% |
| Two or More Races | 1.6% | 1.9% | 3.2% |
| Hispanic | 26.2% | 9.5% | 18.4% |
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| Marriage & Family | | | |
| | Woodland Park, NJ | Westfield, MA | United States |
| Married Population | 49.8% | 46.5% | 49.8% |
| Currently Married | 48.1% | 45.2% | 48.0% |
| Married but Separated | 1.7% | 1.3% | 1.8% |
| Single Population | 50.2% | 53.5% | 50.2% |
| Never Married | 33.4% | 37.9% | 33.8% |
| Divorced | 10.9% | 10.0% | 10.8% |
| Widowed | 6.0% | 5.6% | 5.6% |
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| Household Size | 2.56 | 2.47 | 2.60 |
| Households | 5,165 | 15,292 | 124,010,992 |
| Family Households | 3,354 | 10,083 | 80,755,759 |
| Married couple, w/children | 26.1% | 27.2% | 30.5% |
| Married couple, no children | 47.3% | 46.4% | 42.9% |
| Non Family Households | 1,811 | 5,209 | 43,255,233 |
| Single householder, w/children | 14.1% | 14.4% | 15.8% |
| Single householder, no children | 12.4% | 12.0% | 10.8% |