Rockleigh is a borough located in Bergen County, New Jersey. Rockleigh has a 2026 population of 409. Rockleigh is currently growing at a rate of 0.49% annually and its population has increased by 2.25% since the most recent census, which recorded a population of 400 in 2020.
The median age in Rockleigh is 68.2 years: 61.1 years for males, and 72.8 years for females. For every 100 females there are 75.9 males.
Data after 2023 is projected based on recent change
Overall: 68.2 years
Female: 72.8 years
Male: 61.1 years
There are 408 adults, (235 of whom are seniors) in Rockleigh.
Female: 261 (56.9%)
Male: 198 (43.1%)
The racial composition of Rockleigh includes 81.7% White, 6.32% Asian, 3.27% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 375 | 81.7% |
| Two or more races | 36 | 7.84% |
| Asian | 29 | 6.32% |
| Black or African American | 15 | 3.27% |
| Other race | 3 | 0.65% |
| Native American | 1 | 0.22% |