Monmouth Junction Flag

Monmouth Junction

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. For every 100 females there are 90.1 males.

11.5K
Total Population
2,617
Density (mi²)
572 5.25%
Growth

Monmouth Junction Population

Monmouth Junction Population

Data after 2023 is projected based on recent change

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

Asian (55.24%)

White (28.24%)

Black or African American (7.96%)

Two or more races (6.32%)

Other race (2.23%)

Race
Population
Percentage (of total)
Asian5,22455.24%
White2,67128.24%
Black or African American7537.96%
Two or more races5986.32%
Other race2112.23%

Monmouth Junction Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)