| | Milton, MA | Madison, NJ | United States |
| Population | 28,382 | 16,819 | 329,725,481 |
| Female Population | 52.7% | 50.6% | 50.5% |
| Male Population | 47.3% | 49.4% | 49.5% |
| Median Age | 39.3 | 39.8 | 38.4 |
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| Population - 2010 | 27,067 | 15,766 | 309,327,143 |
| Population - 2000 | 26,062 | 16,530 | 285,036,114 |
| Population - 1990 | 25,725 | 15,850 | 251,960,433 |
| Pop. 2000 to Now | 5.7% | 6.6% | 15.6% |
| Pop. 1990 to Now | 7.0% | 11.1% | 30.8% |
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| Population Density | 2,182.4 | 3,899.6 | 93.4 |
| Land Area | 13.0 | 4.3 | 3,531,905.4 |
| Water Area | 0.3 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Milton, MA | Madison, NJ | United States |
| Age 0 to 4 | 5.4% | 5.5% | 5.9% |
| Age 5 to 9 | 7.4% | 6.6% | 6.1% |
| Age 10 to 14 | 8.1% | 6.7% | 6.6% |
| Age 15 to 17 | 4.8% | 3.4% | 3.9% |
| Age 18 to 20 | 6.5% | 6.6% | 4.0% |
| Age 21 to 24 | 4.9% | 6.6% | 5.2% |
| Age 25 to 34 | 7.1% | 10.0% | 13.8% |
| Age 35 to 44 | 14.3% | 11.8% | 12.9% |
| Age 45 to 54 | 13.5% | 14.5% | 12.6% |
| Age 55 to 59 | 7.3% | 8.8% | 6.7% |
| Age 60 to 64 | 5.2% | 6.1% | 6.3% |
| Age 65 to 74 | 8.2% | 7.3% | 9.6% |
| Age 75 to 84 | 5.5% | 4.3% | 4.5% |
| Age 85 and over | 2.0% | 1.9% | 1.9% |
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| Race | | | |
| | Milton, MA | Madison, NJ | United States |
| White | 70.8% | 75.4% | 59.4% |
| Black | 16.7% | 2.0% | 12.2% |
| Asian | 4.8% | 5.3% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.2% | 0.5% | 0.4% |
| Two or More Races | 4.2% | 3.9% | 3.2% |
| Hispanic | 2.9% | 13.0% | 18.4% |
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| Marriage & Family | | | |
| | Milton, MA | Madison, NJ | United States |
| Married Population | 54.8% | 52.2% | 49.8% |
| Currently Married | 54.0% | 51.1% | 48.0% |
| Married but Separated | 0.8% | 1.1% | 1.8% |
| Single Population | 45.2% | 47.8% | 50.2% |
| Never Married | 33.2% | 34.6% | 33.8% |
| Divorced | 8.1% | 8.2% | 10.8% |
| Widowed | 3.9% | 5.0% | 5.6% |
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| Household Size | 3.02 | 2.70 | 2.60 |
| Households | 8,781 | 5,702 | 124,010,992 |
| Family Households | 6,921 | 3,892 | 80,755,759 |
| Married couple, w/children | 47.5% | 42.0% | 30.5% |
| Married couple, no children | 36.2% | 42.2% | 42.9% |
| Non Family Households | 1,860 | 1,810 | 43,255,233 |
| Single householder, w/children | 8.1% | 8.6% | 15.8% |
| Single householder, no children | 8.2% | 7.3% | 10.8% |