Monmouth County, New Jersey Demographics 2026

Population Overview

Monmouth County is located in New Jersey with a total population of 643,615. It is the 6th most populous county out of 21 in New Jersey. The county encompasses 38 Census-designated places.

Age Demographics

The median age in Monmouth County is 43.2 years. This is 8% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Monmouth County is $122,727. This is 21% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 56% higher. The poverty rate stands at 6.4%. This is 34% lower than the state poverty rate of 9.8%. The unemployment rate is 5.3%. This is 15% lower than the state rate of 6.2%. The median home value is $566,500. Housing costs are 32% higher than the state median of $427,600. The home-value-to-income ratio is 4.6x. 75.4% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 63.7%.

Race & Ethnicity

The largest racial or ethnic group in Monmouth County is White (non-Hispanic), making up 72.1% of the population. Hispanic or Latino residents account for 12.7%. The Black or African American population (5.9%) is well below the state average of 12.3%.

Education

50.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% higher 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 94.2%. Notably, 19.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.