Princeton Junction Flag

Princeton Junction

County:
Mercer County
County Seat:
No
Area (mi²):
1.823
State:
New Jersey

Princeton Junction is a CDP located in Mercer County, New Jersey. Princeton Junction has a 2026 population of 1,698. Princeton Junction is currently declining at a rate of -2.75% 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 Princeton Junction is $224,732 with a poverty rate of 8.3%. The median age in Princeton Junction is 44.3 years: 45.4 years for males, and 41.5 years for females. For every 100 females there are 107.1 males.

1.7K
Total Population
932
Density (mi²)
-48 -2.75%
Growth

Princeton Junction Population

Princeton Junction Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,698-48-2.75%
20251,746-48-2.68%

Median Age

Overall: 44.3 years
Female: 41.5 years
Male: 45.4 years

Princeton Junction Adults

There are 1,553 adults, (273 of whom are seniors) in Princeton Junction.

Sex Ratio

Female: 978 (48.3%)
Male: 1,047 (51.7%)

Demographics

The racial composition of Princeton Junction includes 55.01% White, 29.83% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,11455.01%
Asian60429.83%
Two or more races27113.38%
Black or African American361.78%
Race
Population ↓
Percentage (of total)
Two or more races522.57%
Race
Population ↓
Percentage (of total)
White1,11455.01%
Asian60429.83%
Two or more races21910.81%
Black or African American361.78%

Princeton Junction Marital Status

Economics and Income Statistics

Princeton Junction 's average per capita income is $117,700. Household income levels show a median of $224,732. The poverty rate stands at 8.3%.

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
Families$250,001$278,143
Married Families$250,001-
Households$224,732$234,464
Non Families-$38,184

$117,700

Average Income

$224,732

Median Household Income

8.3%

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)