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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Asian

White

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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