In 2023, Monmouth Junction, NJ had a population of 9.46k people with a median age of 40.2 and a median household income of $125,892. Between 2022 and 2023 the population of Monmouth Junction, NJ declined from 9,750 to 9,457, a −3.01% decrease and its median household income grew from $121,857 to $125,892, a 3.31% increase.
The 5 largest ethnic groups in Monmouth Junction, NJ are Asian (Non-Hispanic) (55.2%), White (Non-Hispanic) (28.2%), Black or African American (Non-Hispanic) (6.61%), Two+ (Hispanic) (3.62%), and Two+ (Non-Hispanic) (2.71%).
None of the households in Monmouth Junction, 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.
80.9% of the residents in Monmouth Junction, NJ are U.S. citizens.
In 2023, the median property value in Monmouth Junction, NJ was $497,100, and the homeownership rate was 63.4%.
Most people in Monmouth Junction, NJ drove alone to work, and the average commute time was 34.6 minutes. The average car ownership in Monmouth Junction, NJ was 2 cars per household.