Mountainside, NJ has a population of 6,835 people with a median age of 47.3 and a median household income of $122,500. Between 2015 and 2016 the population of Mountainside, NJ grew from 6,832 to 6,835, a 0.04% increase and its median household income declined from $133,571 to $122,500, a 8.29% decrease.
The population of Mountainside, NJ is 88.6% White, 6.12% Asian, and 1.83% Two+. 14.8% of the people in Mountainside, NJ speak a non-English language, and 96.5% are U.S. citizens.
The largest universities in Mountainside, NJ are Union County College, with 1,503 graduates, N/A, with N/A graduates, and N/A, with N/A graduates.
The median property value in Mountainside, NJ is $622,000, and the homeownership rate is 91.9%. Most people in Mountainside, NJ commute by Drove Alone, and the average commute time is 27.3 minutes. The average car ownership in Mountainside, NJ is 2 cars per household.
Mountainside, NJ is a census place located in Union County, NJ. It borders Summit, NJ and Westfield, NJ.