Hillside is located in Union County, New Jersey. Hillside has a 2025 population of 23,030 . Hillside is currently growing at a rate of 1.5% annually and its population has increased by 3.08% since the most recent census, which recorded a population of 22,342 in 2020.
The average household income in Hillside is $116,588 with a poverty rate of 9.63%. The median age in Hillside is 36.3 years: 34.8 years for males, and 38 years for females. For every 100 females there are 94.4 males.
Data after 2023 is projected based on recent change
The racial composition of Hillside includes 51.81% Black or African American, 19.99% other race, 18.56% White, and smaller percentages for Asian, Native American and multiracial populations.
Black or African American (51.81%)
Other race (19.99%)
White (18.56%)
Two or more races (7.41%)
Asian (1.85%)
Native American (0.38%)
Race | Population | Percentage (of total) |
|---|---|---|
| Black or African American | 11,490 | 51.81% |
| Other race | 4,433 | 19.99% |
| White | 4,116 | 18.56% |
| Two or more races | 1,644 | 7.41% |
| Asian | 411 | 1.85% |
| Native American | 85 | 0.38% |
Married
Widowed
Divorced
Separated
Never Married
Hillside's average per capita income is $52,706. Household income levels show a median of $98,558. The poverty rate stands at 9.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $137,532 | - |
| Families | $101,345 | $122,962 |
| Households | $98,558 | $116,588 |
| Non Families | $44,356 | $66,369 |
Average Income
Median Household Income
Poverty Rate