Hillside is located in New Jersey. Hillside, New Jersey has a population of 22,319. Hillside is less family-centric than the surrounding county with 25.35% of the households containing married families with children. The county average for households married with children is 34.03%.
The median household income in Hillside, New Jersey is $82,850. The median household income for the surrounding county is $87,369 compared to the national median of $69,021. The median age of people living in Hillside is 36.9 years.
The average high temperature in July is 86.2 degrees, with an average low temperature in January of 23.1 degrees. The average rainfall is approximately 48.4 inches per year, with 25.8 inches of snow per year.