In 2018, Warren County, NJ had a population of 106k people with a median age of 44 and a median household income of $78,145. Between 2017 and 2018 the population of Warren County, NJ declined from 107,088 to 106,293, a -0.742% decrease and its median household income grew from $75,500 to $78,145, a 3.5% increase.
The 5 largest ethnic groups in Warren County, NJ are White (Non-Hispanic) (82.4%), White (Hispanic) (6.33%), Black or African American (Non-Hispanic) (4.3%), Asian (Non-Hispanic) (2.68%), and Other (Hispanic) (1.77%). 0% of the households in Warren County, NJ speak a non-English language at home as their primary language, and 96.1% of the residents in Warren County, NJ are U.S. citizens.
In 2018, the median property value in Warren County, NJ was $260,000, and the homeownership rate was 71.9%. Most people in Warren County, NJ drove alone to work, and the average commute time was 34.2 minutes. The average car ownership in Warren County, NJ was 2 cars per household.