| | Morris Plains, NJ | Escondido, CA | United States |
| Population | 6,081 | 151,443 | 329,725,481 |
| Female Population | 49.7% | 50.1% | 50.5% |
| Male Population | 50.3% | 49.9% | 49.5% |
| Median Age | 43.7 | 35.7 | 38.4 |
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| Population - 2010 | 5,534 | 144,433 | 309,327,143 |
| Population - 2000 | 5,236 | 133,559 | 285,036,114 |
| Population - 1990 | 5,219 | 108,635 | 251,960,433 |
| Pop. 2000 to Now | 18.9% | 12.3% | 15.6% |
| Pop. 1990 to Now | 19.2% | 38.0% | 30.8% |
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| Population Density | 2,381.0 | 4,066.1 | 93.4 |
| Land Area | 2.6 | 37.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Morris Plains, NJ | Escondido, CA | United States |
| Age 0 to 4 | 5.4% | 6.9% | 5.9% |
| Age 5 to 9 | 4.1% | 6.6% | 6.1% |
| Age 10 to 14 | 5.0% | 6.8% | 6.6% |
| Age 15 to 17 | 3.3% | 3.8% | 3.9% |
| Age 18 to 20 | 3.0% | 3.7% | 4.0% |
| Age 21 to 24 | 3.8% | 5.5% | 5.2% |
| Age 25 to 34 | 12.4% | 15.8% | 13.8% |
| Age 35 to 44 | 14.6% | 12.9% | 12.9% |
| Age 45 to 54 | 14.6% | 12.5% | 12.6% |
| Age 55 to 59 | 8.3% | 6.6% | 6.7% |
| Age 60 to 64 | 6.5% | 5.8% | 6.3% |
| Age 65 to 74 | 11.1% | 7.4% | 9.6% |
| Age 75 to 84 | 5.6% | 3.6% | 4.5% |
| Age 85 and over | 2.2% | 2.3% | 1.9% |
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| Race | | | |
| | Morris Plains, NJ | Escondido, CA | United States |
| White | 81.2% | 35.4% | 59.4% |
| Black | 1.8% | 2.0% | 12.2% |
| Asian | 6.0% | 6.2% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 3.9% | 3.5% | 3.2% |
| Hispanic | 7.2% | 52.0% | 18.4% |
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| Marriage & Family | | | |
| | Morris Plains, NJ | Escondido, CA | United States |
| Married Population | 57.0% | 49.3% | 49.8% |
| Currently Married | 56.1% | 47.3% | 48.0% |
| Married but Separated | 0.9% | 2.0% | 1.8% |
| Single Population | 43.0% | 50.7% | 50.2% |
| Never Married | 32.0% | 35.7% | 33.8% |
| Divorced | 5.9% | 10.0% | 10.8% |
| Widowed | 5.1% | 5.0% | 5.6% |
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| Household Size | 2.48 | 2.96 | 2.60 |
| Households | 2,447 | 50,456 | 124,010,992 |
| Family Households | 1,593 | 34,014 | 80,755,759 |
| Married couple, w/children | 33.3% | 34.5% | 30.5% |
| Married couple, no children | 53.4% | 36.8% | 42.9% |
| Non Family Households | 854 | 16,442 | 43,255,233 |
| Single householder, w/children | 5.5% | 16.7% | 15.8% |
| Single householder, no children | 7.8% | 12.1% | 10.8% |