| | Long Hill, NJ | Bernards, NJ | United States |
| Population | 8,649 | 27,836 | 329,725,481 |
| Female Population | 51.6% | 48.8% | 50.5% |
| Male Population | 48.4% | 51.2% | 49.5% |
| Median Age | 44.1 | 45.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 8,719 | 26,740 | 309,327,143 |
| Population - 2000 | 8,777 | 24,575 | 285,036,114 |
| Population - 1990 | 7,826 | 17,199 | 251,960,433 |
| Pop. 2000 to Now | -4.5% | 10.0% | 15.6% |
| Pop. 1990 to Now | 7.1% | 57.1% | 30.8% |
| space4 | | | |
| Population Density | 728.6 | 1,163.2 | 93.4 |
| Land Area | 11.9 | 23.9 | 3,531,905.4 |
| Water Area | 0.3 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Long Hill, NJ | Bernards, NJ | United States |
| Age 0 to 4 | 6.4% | 3.8% | 5.9% |
| Age 5 to 9 | 6.6% | 5.3% | 6.1% |
| Age 10 to 14 | 4.3% | 8.9% | 6.6% |
| Age 15 to 17 | 4.0% | 7.0% | 3.9% |
| Age 18 to 20 | 2.1% | 3.7% | 4.0% |
| Age 21 to 24 | 2.7% | 3.4% | 5.2% |
| Age 25 to 34 | 12.5% | 5.8% | 13.8% |
| Age 35 to 44 | 12.1% | 11.2% | 12.9% |
| Age 45 to 54 | 12.5% | 19.1% | 12.6% |
| Age 55 to 59 | 9.0% | 9.5% | 6.7% |
| Age 60 to 64 | 7.1% | 6.3% | 6.3% |
| Age 65 to 74 | 10.7% | 7.5% | 9.6% |
| Age 75 to 84 | 8.5% | 4.3% | 4.5% |
| Age 85 and over | 1.6% | 4.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Long Hill, NJ | Bernards, NJ | United States |
| White | 80.5% | 64.7% | 59.4% |
| Black | 0.0% | 2.1% | 12.2% |
| Asian | 6.0% | 22.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.3% | 0.4% |
| Two or More Races | 3.1% | 2.4% | 3.2% |
| Hispanic | 10.1% | 7.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Long Hill, NJ | Bernards, NJ | United States |
| Married Population | 62.1% | 60.7% | 49.8% |
| Currently Married | 61.9% | 59.8% | 48.0% |
| Married but Separated | 0.1% | 0.9% | 1.8% |
| Single Population | 37.9% | 39.3% | 50.2% |
| Never Married | 26.6% | 26.9% | 33.8% |
| Divorced | 5.6% | 8.5% | 10.8% |
| Widowed | 5.7% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.97 | 2.73 | 2.60 |
| Households | 2,903 | 9,907 | 124,010,992 |
| Family Households | 2,395 | 7,315 | 80,755,759 |
| Married couple, w/children | 37.5% | 48.4% | 30.5% |
| Married couple, no children | 52.7% | 41.7% | 42.9% |
| Non Family Households | 508 | 2,592 | 43,255,233 |
| Single householder, w/children | 1.0% | 5.5% | 15.8% |
| Single householder, no children | 8.8% | 4.4% | 10.8% |