In 2023, Greenwich, NJ had a population of 2.62k people with a median age of 38.7 and a median household income of $166,977. Between 2022 and 2023 the population of Greenwich, NJ declined from 2,866 to 2,615, a −8.76% decrease and its median household income grew from $162,000 to $166,977, a 3.07% increase.
The 5 largest ethnic groups in Greenwich, NJ are White (Non-Hispanic) (49.6%), Asian (Non-Hispanic) (17.6%), Black or African American (Non-Hispanic) (14%), Two+ (Non-Hispanic) (6.81%), and Two+ (Hispanic) (4.93%).
None of the households in Greenwich, 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.
93.3% of the residents in Greenwich, NJ are U.S. citizens.
In 2023, the median property value in Greenwich, NJ was $457,500, and the homeownership rate was 97.2%.
Most people in Greenwich, NJ drove alone to work, and the average commute time was 43.2 minutes. The average car ownership in Greenwich, NJ was 2 cars per household.