Llewellyn Park is a CDP located in Essex County, New Jersey. Llewellyn Park has a 2026 population of 660. Llewellyn Park is currently growing at a rate of 6.8% annually and its population has increased by 73.23% since the most recent census, which recorded a population of 381 in 2020.
The median household income in Llewellyn Park is $184,833 with a poverty rate of 1.96%. The median age in Llewellyn Park is 43.4 years: 43.1 years for males, and 54.9 years for females. For every 100 females there are 159.3 males.
Data after 2023 is projected based on recent change
Overall: 43.4 years
Female: 54.9 years
Male: 43.1 years
There are 477 adults, (84 of whom are seniors) in Llewellyn Park.
Female: 216 (38.6%)
Male: 344 (61.4%)
The racial composition of Llewellyn Park includes 73.75% White, 4.64% Asian, 4.46% other race, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 413 | 73.75% |
| Two or more races | 85 | 15.18% |
| Asian | 26 | 4.64% |
| Other race | 25 | 4.46% |
| Black or African American | 11 | 1.96% |
Llewellyn Park 's average per capita income is $146,510. Household income levels show a median of $184,833. The poverty rate stands at 1.96%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $250,001 | $361,660 |
| Married Families | $250,001 | - |
| Households | $184,833 | $296,965 |
| Non Families | $183,188 | $219,894 |
Average Income
Median Household Income
Poverty Rate