| | Long Valley, NJ | High Bridge, NJ | United States |
| Population | 2,108 | 3,547 | 329,725,481 |
| Female Population | 48.1% | 47.2% | 50.5% |
| Male Population | 51.9% | 52.8% | 49.5% |
| Median Age | 44.9 | 42.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,885 | 3,643 | 309,327,143 |
| Population - 2000 | 1,818 | 3,776 | 285,036,114 |
| Population - 1990 | 1,744 | 3,886 | 251,960,433 |
| Pop. 2000 to Now | 10.6% | -10.3% | 15.6% |
| Pop. 1990 to Now | 15.3% | -12.8% | 30.8% |
| space4 | | | |
| Population Density | 461.7 | 1,483.5 | 93.4 |
| Land Area | 4.6 | 2.4 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Long Valley, NJ | High Bridge, NJ | United States |
| Age 0 to 4 | 7.6% | 3.0% | 5.9% |
| Age 5 to 9 | 3.2% | 5.2% | 6.1% |
| Age 10 to 14 | 3.7% | 6.5% | 6.6% |
| Age 15 to 17 | 14.4% | 5.0% | 3.9% |
| Age 18 to 20 | 1.9% | 7.2% | 4.0% |
| Age 21 to 24 | 6.9% | 4.0% | 5.2% |
| Age 25 to 34 | 7.4% | 8.6% | 13.8% |
| Age 35 to 44 | 5.0% | 12.9% | 12.9% |
| Age 45 to 54 | 13.6% | 20.5% | 12.6% |
| Age 55 to 59 | 9.3% | 8.7% | 6.7% |
| Age 60 to 64 | 5.0% | 8.0% | 6.3% |
| Age 65 to 74 | 15.9% | 6.9% | 9.6% |
| Age 75 to 84 | 6.1% | 2.7% | 4.5% |
| Age 85 and over | 0.0% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Long Valley, NJ | High Bridge, NJ | United States |
| White | 70.5% | 75.1% | 59.4% |
| Black | 0.0% | 3.1% | 12.2% |
| Asian | 3.7% | 9.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.6% | 1.6% | 3.2% |
| Hispanic | 21.1% | 11.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Long Valley, NJ | High Bridge, NJ | United States |
| Married Population | 55.5% | 56.9% | 49.8% |
| Currently Married | 55.5% | 55.9% | 48.0% |
| Married but Separated | 0.0% | 1.0% | 1.8% |
| Single Population | 44.5% | 43.1% | 50.2% |
| Never Married | 31.0% | 31.9% | 33.8% |
| Divorced | 9.6% | 7.8% | 10.8% |
| Widowed | 3.9% | 3.5% | 5.6% |
| space5 | | | |
| Household Size | 2.80 | 2.49 | 2.60 |
| Households | 748 | 1,427 | 124,010,992 |
| Family Households | 628 | 1,052 | 80,755,759 |
| Married couple, w/children | 31.1% | 38.6% | 30.5% |
| Married couple, no children | 48.4% | 39.4% | 42.9% |
| Non Family Households | 120 | 375 | 43,255,233 |
| Single householder, w/children | 14.3% | 6.0% | 15.8% |
| Single householder, no children | 6.2% | 16.0% | 10.8% |