In 2019, Warren County, NJ had a population of 106k people with a median age of 44.4 and a median household income of $81,307. Between 2018 and 2019 the population of Warren County, NJ declined from 106,293 to 105,862, a −0.405% decrease and its median household income grew from $78,145 to $81,307, a 4.05% increase.
The 5 largest ethnic groups in Warren County, NJ are White (Non-Hispanic) (81.7%), White (Hispanic) (6.82%), Black or African American (Non-Hispanic) (4.36%), Asian (Non-Hispanic) (2.66%), and Two+ (Non-Hispanic) (1.71%). 0% of the households in Warren County, NJ speak a non-English language at home as their primary language, and 96.4% of the residents in Warren County, NJ are U.S. citizens.
In 2019, the median property value in Warren County, NJ was $264,200, and the homeownership rate was 71.7%. Most people in Warren County, NJ drove alone to work, and the average commute time was 34.3 minutes. The average car ownership in Warren County, NJ was 2 cars per household.