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 2026 population of 10,973. Monmouth Junction is currently growing at a rate of 4.82% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Monmouth Junction is $133,585 with a poverty rate of 6.24%. The median age in Monmouth Junction is 39.9 years: 41.6 years for males, and 36.7 years for females. For every 100 females there are 86.6 males.

11K
Total Population
2,505
Density (mi²)
505 4.82%
Growth

Monmouth Junction Population

Monmouth Junction Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202610,9735054.82%
202510,4685065.08%

Median Age

Overall: 39.9 years
Female: 36.7 years
Male: 41.6 years

Monmouth Junction Adults

There are 7,174 adults, (1,176 of whom are seniors) in Monmouth Junction.

Sex Ratio

Female: 4,898 (53.6%)
Male: 4,243 (46.4%)

Demographics

The racial composition of Monmouth Junction includes 59.89% Asian, 26.92% White, 5.2% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Asian5,47559.89%
White2,46126.92%
Two or more races6667.29%
Black or African American4755.2%
Other race640.7%
Race
Population ↓
Percentage (of total)
Two or more races3884.24%
Black or African American480.53%
Race
Population ↓
Percentage (of total)
Asian5,47559.89%
White2,46126.92%
Black or African American4274.67%
Two or more races2783.04%
Other race640.7%

Monmouth Junction Marital Status

Economics and Income Statistics

Monmouth Junction 's average per capita income is $85,217. Household income levels show a median of $133,585. The poverty rate stands at 6.24%.

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$188,068-
Families$169,238$210,455
Households$133,585$181,065
Non Families-$100,546

$85,217

Average Income

$133,585

Median Household Income

6.24%

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)