In 2022, Mountainside, NJ had a population of 6.99k people with a median age of 50.1 and a median household income of $162,531. Between 2021 and 2022 the population of Mountainside, NJ declined from 7,003 to 6,991, a −0.171% decrease and its median household income grew from $133,365 to $162,531, a 21.9% increase.
The 5 largest ethnic groups in Mountainside, NJ are White (Non-Hispanic) (75.3%), Asian (Non-Hispanic) (10.7%), Two+ (Hispanic) (8.84%), White (Hispanic) (1.64%), and Two+ (Non-Hispanic) (1.56%).
None of the households in Mountainside, NJ reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
91.8% of the residents in Mountainside, NJ are U.S. citizens.
In 2022, the median property value in Mountainside, NJ was $719,000, and the homeownership rate was 84.4%.
Most people in Mountainside, NJ drove alone to work, and the average commute time was 38.5 minutes. The average car ownership in Mountainside, NJ was 2 cars per household.