Plainsboro, New Jersey Population 2024

23,881

Plainsboro is a city located in New Jersey. Plainsboro has a 2024 population of 23,881. Plainsboro is currently declining at a rate of -0.1% annually and its population has decreased by -0.57% since the most recent census, which recorded a population of 24,019 in 2020.

The average household income in Plainsboro is $166,873 with a poverty rate of 3.21%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Plainsboro is 38.2 years, 39.8 years for males, and 36.7 years for females.

Plainsboro Demographics

According to the most recent ACS, the racial composition of Plainsboro was:

  • Asian: 58.56%
  • White: 30.89%
  • Black or African American: 5.89%
  • Two or more races: 3.93%
  • Other race: 0.54%
  • Native American: 0.19%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
11.8 sq mi
Density (mi²)
2,030.20/sq mi
Growth Since 2020
-0.57% (-138)
The current population of Plainsboro, New Jersey is 23,881 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 24,019.

Plainsboro, New Jersey Population 2024

Population by Race

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Race
Population
Percentage (of total)
Asian14,04058.56%
White7,40630.89%
Black or African American1,4115.89%
Two or more races9413.93%
Other race1300.54%
Native American460.19%
Native Hawaiian or Pacific Islander00%

Asian

White

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Plainsboro Population by Race

Plainsboro Population Pyramid 2024

Plainsboro Median Age

38.2

Total

39.8

Male

36.7

Female

Plainsboro Adults

There are 18,658 adults, (2,648 of whom are seniors) in Plainsboro.

Plainsboro Age Dependency

49.7

Age Dependency Ratio

16.5

Old Age Dependency Ratio

33.2

Child Dependency Ratio

Plainsboro Sex Ratio

Female12,20950.93%
Male11,76549.07%

Plainsboro Population by Age

Plainsboro Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All9,9602.3948.951.1
Married5,6653.1163.436.6
Non Family3,6811.1928.171.9
Female5062.9241.558.5
Male1082.9434.365.7

3.08

Average Family Size

2.39

Average Household Size

48.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Plainsboro Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Plainsboro Educational Attainment by Sex (over 25)

Plainsboro Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 90.05%.

Plainsboro Educational Attainment by Race

All

Male

Female

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$95,440

Average Earnings

$116,250

Average Male

$59,820

Average Female

Plainsboro Earnings by Educational Attainment

Plainsboro Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Plainsboro Language

43.22% of Plainsboro residents speak only English, while 56.78% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 31.2% of the population.

Plainsboro Language

Plainsboro Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Asian14,0404303.06%
White6,9172263.27%
Hispanic958808.35%
Multiple938303.2%
Black1,380151.09%

3.21%

Overall Poverty Rate

2.25%

Male Poverty Rate

4.14%

Female Poverty Rate

Poverty in Plainsboro

The race most likely to be in poverty in Plainsboro is Hispanic, with 8.35% below the poverty level.

The race least likely to be in poverty in Plainsboro is Black, with 1.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.71%. Among those working part-time, it was 4.38%, and for those that did not work, the poverty rate was 8.39%.

Plainsboro Poverty

rate

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Rate
Poverty
Less Than 9th Grade18.95%
Some College5.88%
High School4.1%
Bachelors or Greater2.62%

Plainsboro Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed28.51%
Female Unemployed11.81%
Female Employed1.65%
Male Employed1.01%

Plainsboro Poverty Rate by Employment Status and Sex

Plainsboro Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Plainsboro Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

61.2%

Overall Marriage Rate

65.2%

Male Marriage Rate

57.4%

Female Marriage Rate

Plainsboro Married by Age and Sex

male

female

Plainsboro Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Plainsboro Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Plainsboro Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

342

Number of Veterans

336

Male Veterans

6

Female Veterans

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Plainsboro Veterans by War

count

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Plainsboro Veterans by Age

count

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Plainsboro Veterans by Race

Plainsboro Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

25.53%

Veteran Disability Rate

Plainsboro Veterans by Education

LaborForceParticipation

70.4%

Labor Force Participation

67.1%

Employment Rate

4.7%

Unemployment Rate

Plainsboro Employment by Age

LaborForceParticipation

Plainsboro Employment by Race

LaborForceParticipation

Plainsboro Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

28.92%

Born in Plainsboro

49.38%

Native Born

50.62%

Foreign Born

25.39%

Non Citizen

25.23%

Naturalized

Place of Birth

49.38% of Plainsboro residents were born in the United States, with 28.92% having been born in New Jersey. 25.39% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Plainsboro Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202923,756-25-0.11%
202823,781-25-0.11%
202723,806-25-0.1%
202623,831-25-0.1%
202523,856-25-0.1%
202423,881-25-0.1%
202323,906-25-0.1%
202223,931-25-0.1%
202123,956-63-0.26%
202024,0191,1414.99%
201922,878-84-0.37%
201822,962-90-0.39%
201723,052-17-0.07%
201623,069-84-0.36%
201523,153-18-0.08%
201423,171380.16%
201323,13310%
201223,132710.31%
201123,061750.33%
201022,98600%

Plainsboro Population by Year