Hillside is located in New Jersey. Hillside, New Jersey has a population of 22,906. Hillside is less family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 34%.
The median household income in Hillside, New Jersey is $77,340. The median household income for the surrounding county is $83,669 compared to the national median of $66,222. The median age of people living in Hillside is 39.5 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 24.4 degrees. The annual precipitation is 46.25.