In 2019, Mountain Lakes, NJ had a population of 4.27k people with a median age of 42.9 and a median household income of $241,667. Between 2018 and 2019 the population of Mountain Lakes, NJ declined from 4,274 to 4,270, a −0.0936% decrease and its median household income grew from $216,250 to $241,667, a 11.8% increase.
The 5 largest ethnic groups in Mountain Lakes, NJ are White (Non-Hispanic) (81.1%), Asian (Non-Hispanic) (14%), White (Hispanic) (3.37%), Two+ (Non-Hispanic) (0.726%), and Two+ (Hispanic) (0.539%). 0% of the households in Mountain Lakes, NJ speak a non-English language at home as their primary language.
93.7% of the residents in Mountain Lakes, NJ are U.S. citizens.
In 2019, the median property value in Mountain Lakes, NJ was $867,200, and the homeownership rate was 95.4%. Most people in Mountain Lakes, NJ drove alone to work, and the average commute time was 31.2 minutes. The average car ownership in Mountain Lakes, NJ was 2 cars per household.