Warren County, New Jersey Demographics 2026

Population Overview

Warren County is located in New Jersey with a total population of 110,238. It is the 19th most populous county out of 21 in New Jersey. The county encompasses 5 Census-designated places.

Age Demographics

The median age in Warren County is 43.9 years. This is 9% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Warren County is $99,596. This is 1% lower than the state median of $101,050. Compared to the national median of $78,538, household income here is 27% higher. The poverty rate stands at 8.1%. This is 17% lower than the state poverty rate of 9.8%. The unemployment rate is 5.6%. This is 10% lower than the state rate of 6.2%. The median home value is $323,100. Housing costs are 24% lower than the state median of $427,600. The home-value-to-income ratio is 3.2x. 74.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 63.7%.

Race & Ethnicity

The largest racial or ethnic group in Warren County is White (non-Hispanic), making up 76.3% of the population. Hispanic or Latino residents account for 12.1%. The Black or African American population (5.3%) is well below the state average of 12.3%. The Asian population (3.0%) is well below the state average of 9.8%.

Education

36.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.0%.