Monmouth Junction

County:: Middlesex County
County Seat:: No
Area (mi²):: 4.381
State:: New Jersey

Monmouth Junction is a CDP located in Middlesex County, New Jersey. Monmouth Junction has a 2025 population of 11,466. Monmouth Junction is currently growing at a rate of 5.25% annually and its population has increased by 28.67% since the most recent census, which recorded a population of 8,911 in 2020.

The average household income in Monmouth Junction is $169,462 with a poverty rate of 7.45%.The median age in Monmouth Junction is 40.2 years: 41.2 years for males, and 38.8 years for females.

Demographics

The racial composition of Monmouth Junction includes 55.24% Asian, 28.24% White, 7.96% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Asian	5,224	55.24%
White	2,671	28.24%
Black or African American	753	7.96%
Two or more races	598	6.32%
Other race	211	2.23%

Monmouth Junction Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Monmouth Junction's average per capita income is $87,515. Household income levels show a median of $125,892. The poverty rate stands at 7.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$164,907	-
Families	$145,972	$191,357
Households	$125,892	$169,462
Non Families	-	$100,317

$87,515

Average Income

$125,892

Median Household Income

7.45%

Poverty Rate