| | New Milford, NJ | Plantation, FL | United States |
| Population | 16,912 | 92,212 | 329,725,481 |
| Female Population | 51.6% | 51.2% | 50.5% |
| Male Population | 48.4% | 48.8% | 49.5% |
| Median Age | 40.3 | 40.4 | 38.4 |
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| Population - 2010 | 16,363 | 85,332 | 309,327,143 |
| Population - 2000 | 16,400 | 82,934 | 285,036,114 |
| Population - 1990 | 15,990 | 66,692 | 251,960,433 |
| Pop. 2000 to Now | -0.5% | 16.2% | 15.6% |
| Pop. 1990 to Now | 2.1% | 44.5% | 30.8% |
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| Population Density | 7,407.8 | 4,256.5 | 93.4 |
| Land Area | 2.3 | 21.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | New Milford, NJ | Plantation, FL | United States |
| Age 0 to 4 | 7.6% | 5.7% | 5.9% |
| Age 5 to 9 | 5.3% | 5.6% | 6.1% |
| Age 10 to 14 | 7.0% | 6.2% | 6.6% |
| Age 15 to 17 | 3.6% | 4.1% | 3.9% |
| Age 18 to 20 | 3.2% | 2.5% | 4.0% |
| Age 21 to 24 | 3.2% | 4.6% | 5.2% |
| Age 25 to 34 | 12.5% | 13.5% | 13.8% |
| Age 35 to 44 | 13.8% | 14.1% | 12.9% |
| Age 45 to 54 | 14.4% | 14.5% | 12.6% |
| Age 55 to 59 | 6.9% | 6.3% | 6.7% |
| Age 60 to 64 | 7.6% | 6.4% | 6.3% |
| Age 65 to 74 | 7.8% | 9.8% | 9.6% |
| Age 75 to 84 | 4.4% | 4.6% | 4.5% |
| Age 85 and over | 2.5% | 2.0% | 1.9% |
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| Race | | | |
| | New Milford, NJ | Plantation, FL | United States |
| White | 54.0% | 40.7% | 59.4% |
| Black | 2.9% | 21.7% | 12.2% |
| Asian | 20.0% | 4.4% | 5.6% |
| Native American | 0.4% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.9% | 0.3% | 0.4% |
| Two or More Races | 3.3% | 4.1% | 3.2% |
| Hispanic | 18.5% | 28.7% | 18.4% |
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| Marriage & Family | | | |
| | New Milford, NJ | Plantation, FL | United States |
| Married Population | 58.3% | 48.8% | 49.8% |
| Currently Married | 57.3% | 47.6% | 48.0% |
| Married but Separated | 1.0% | 1.2% | 1.8% |
| Single Population | 41.7% | 51.2% | 50.2% |
| Never Married | 28.4% | 32.4% | 33.8% |
| Divorced | 7.6% | 13.8% | 10.8% |
| Widowed | 5.7% | 5.0% | 5.6% |
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| Household Size | 2.71 | 2.60 | 2.60 |
| Households | 6,167 | 35,317 | 124,010,992 |
| Family Households | 4,443 | 23,123 | 80,755,759 |
| Married couple, w/children | 39.5% | 29.0% | 30.5% |
| Married couple, no children | 40.6% | 42.0% | 42.9% |
| Non Family Households | 1,724 | 12,194 | 43,255,233 |
| Single householder, w/children | 10.1% | 16.7% | 15.8% |
| Single householder, no children | 9.8% | 12.3% | 10.8% |