| | Ho-Ho-Kus, NJ | Manhasset, NY | United States |
| Population | 4,248 | 8,093 | 329,725,481 |
| Female Population | 51.4% | 52.7% | 50.5% |
| Male Population | 48.6% | 47.3% | 49.5% |
| Median Age | 43.2 | 43 | 38.4 |
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| Population - 2010 | 4,086 | 8,207 | 309,327,143 |
| Population - 2000 | 4,060 | 8,362 | 285,036,114 |
| Population - 1990 | 3,935 | 7,718 | 251,960,433 |
| Pop. 2000 to Now | -0.3% | -5.5% | 15.6% |
| Pop. 1990 to Now | 2.9% | 2.4% | 30.8% |
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| Population Density | 2,442.8 | 3,391.9 | 93.4 |
| Land Area | 1.7 | 2.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ho-Ho-Kus, NJ | Manhasset, NY | United States |
| Age 0 to 4 | 7.0% | 4.2% | 5.9% |
| Age 5 to 9 | 5.3% | 6.3% | 6.1% |
| Age 10 to 14 | 12.3% | 9.4% | 6.6% |
| Age 15 to 17 | 5.6% | 5.7% | 3.9% |
| Age 18 to 20 | 3.1% | 2.7% | 4.0% |
| Age 21 to 24 | 3.2% | 5.9% | 5.2% |
| Age 25 to 34 | 2.9% | 6.3% | 13.8% |
| Age 35 to 44 | 15.3% | 12.4% | 12.9% |
| Age 45 to 54 | 14.0% | 19.0% | 12.6% |
| Age 55 to 59 | 8.9% | 6.2% | 6.7% |
| Age 60 to 64 | 8.7% | 5.5% | 6.3% |
| Age 65 to 74 | 7.4% | 9.4% | 9.6% |
| Age 75 to 84 | 4.5% | 4.3% | 4.5% |
| Age 85 and over | 1.8% | 2.7% | 1.9% |
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| Race | | | |
| | Ho-Ho-Kus, NJ | Manhasset, NY | United States |
| White | 71.1% | 54.8% | 59.4% |
| Black | 1.0% | 14.6% | 12.2% |
| Asian | 14.5% | 17.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.5% | 0.4% |
| Two or More Races | 2.6% | 3.1% | 3.2% |
| Hispanic | 10.1% | 9.2% | 18.4% |
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| Marriage & Family | | | |
| | Ho-Ho-Kus, NJ | Manhasset, NY | United States |
| Married Population | 72.0% | 57.6% | 49.8% |
| Currently Married | 71.6% | 56.7% | 48.0% |
| Married but Separated | 0.3% | 0.9% | 1.8% |
| Single Population | 28.0% | 42.4% | 50.2% |
| Never Married | 19.2% | 29.1% | 33.8% |
| Divorced | 4.3% | 7.8% | 10.8% |
| Widowed | 4.5% | 5.5% | 5.6% |
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| Household Size | 2.94 | 3.03 | 2.60 |
| Households | 1,444 | 2,528 | 124,010,992 |
| Family Households | 1,215 | 2,031 | 80,755,759 |
| Married couple, w/children | 51.1% | 46.7% | 30.5% |
| Married couple, no children | 41.2% | 36.8% | 42.9% |
| Non Family Households | 229 | 497 | 43,255,233 |
| Single householder, w/children | 4.3% | 7.4% | 15.8% |
| Single householder, no children | 3.4% | 9.1% | 10.8% |