In 2020, Monmouth County, NJ had a population of 621k people with a median age of 43.4 and a median household income of $103,523. Between 2019 and 2020 the population of Monmouth County, NJ declined from 621,659 to 620,821, a −0.135% decrease and its median household income grew from $99,733 to $103,523, a 3.8% increase.
The 5 largest ethnic groups in Monmouth County, NJ are White (Non-Hispanic) (75%), Black or African American (Non-Hispanic) (6.54%), White (Hispanic) (6.48%), Asian (Non-Hispanic) (5.42%), and Other (Hispanic) (2.35%).
None of the households in Monmouth County, 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.
95.2% of the residents in Monmouth County, NJ are U.S. citizens.
In 2020, the median property value in Monmouth County, NJ was $435,300, and the homeownership rate was 74.3%. Most people in Monmouth County, NJ drove alone to work, and the average commute time was 34.8 minutes. The average car ownership in Monmouth County, NJ was 2 cars per household.