Hillside Flag

Hillside

County:
Union County
County Seat:
No
Area (mi²):
2.767
State:
New Jersey

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.

23K
Total Population
8,324
Density (mi²)
340 1.5%
Growth

Hillside Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)