Monmouth County, NJ — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
643,615
Male
315,588
49.0%
Female
328,027
51.0%
Median Age
43.2 yrs
Avg Household Size
2.6
Foreign Born
13.6%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher35.8%
High School or Higher50.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.3%
Disability
0.0%
Non-English Home
4.1%
Married
45.9%
Monmouth County, NJ has a population of 643,615 according to 2023 Census Bureau estimates. The median age is 43.2 years. The largest racial or ethnic group is White at 76.2% of the population. 35.8% of residents hold a bachelor's degree or higher. 13.6% of residents are foreign-born.