Princeton, New Jersey Population 2024

30,152

Princeton is a city located in Mercer County New Jersey. Princeton has a 2024 population of 30,152. Princeton is currently declining at a rate of -0.37% annually and its population has decreased by -1.47% since the most recent census, which recorded a population of 30,602 in 2020.

The average household income in Princeton is $269,420 with a poverty rate of 6.33%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Princeton is 28.6 years, 28.2 years for males, and 29.7 years for females.

Princeton Demographics

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

  • White: 64.76%
  • Asian: 19.22%
  • Black or African American: 7.67%
  • Two or more races: 6.24%
  • Other race: 1.08%
  • Native American: 0.98%
  • Native Hawaiian or Pacific Islander: 0.05%
Land Area (mi²)
17.9 sq mi
Density (mi²)
1,680.20/sq mi
Growth Since 2020
-1.47% (-450)
The current population of Princeton, New Jersey is 30,152 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 30,602.

Princeton, New Jersey Population 2024

Population by Race

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Race
Population
Percentage (of total)
White19,71864.76%
Asian5,85319.22%
Black or African American2,3377.67%
Two or more races1,8996.24%
Other race3301.08%
Native American2980.98%
Native Hawaiian or Pacific Islander150.05%

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Princeton Population by Race

Princeton Population Pyramid 2024

Princeton Median Age

28.6

Total

28.2

Male

29.7

Female

Princeton Adults

There are 24,675 adults, (3,988 of whom are seniors) in Princeton.

Princeton Age Dependency

47.2

Age Dependency Ratio

19.3

Old Age Dependency Ratio

27.9

Child Dependency Ratio

Princeton Sex Ratio

Female15,23850.04%
Male15,21249.96%

Princeton Population by Age

Princeton Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,9512.6258.641.4
Married5,3433.2270.129.9
Non Family2,8281.4538.361.7
Female5212.748.651.4
Male2592.963.736.3

3.13

Average Family Size

2.62

Average Household Size

58.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Princeton 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

Princeton Educational Attainment by Sex (over 25)

Princeton Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among white people with a rate of 88.94%.

Princeton Educational Attainment by Race

All

Male

Female

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$92,828

Average Earnings

$112,532

Average Male

$74,730

Average Female

Princeton Earnings by Educational Attainment

Princeton Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Princeton Language

64.36% of Princeton residents speak only English, while 35.64% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 14.01% of the population.

Princeton Language

Princeton Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White15,8059235.84%
Asian4,0253228%
Other22010949.55%
Hispanic957909.4%
Native2915518.9%
Black1,626523.2%
Multiple1,303282.15%

6.33%

Overall Poverty Rate

6.3%

Male Poverty Rate

6.36%

Female Poverty Rate

Poverty in Princeton

The race most likely to be in poverty in Princeton is Other, with 49.55% below the poverty level.

The race least likely to be in poverty in Princeton is Multiple, with 2.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 9.94%, and for those that did not work, the poverty rate was 17.78%.

Princeton Poverty

rate

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Rate
Poverty
High School26.95%
Some College18.96%
Less Than 9th Grade18.75%
Bachelors or Greater4.21%

Princeton Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed15.61%
Male Unemployed4.55%
Male Employed3.78%
Female Employed2.02%

Princeton Poverty Rate by Employment Status and Sex

Princeton Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Princeton Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.2%

Overall Marriage Rate

46.1%

Male Marriage Rate

42.4%

Female Marriage Rate

Princeton Married by Age and Sex

male

female

Princeton 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 35-44.

Princeton Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Princeton Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

353

Number of Veterans

341

Male Veterans

12

Female Veterans

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Princeton Veterans by War

count

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Princeton Veterans by Age

count

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Princeton Veterans by Race

Princeton Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.23%

Veteran Poverty Rate

23.46%

Veteran Disability Rate

Princeton Veterans by Education

LaborForceParticipation

61.7%

Labor Force Participation

58.7%

Employment Rate

4.8%

Unemployment Rate

Princeton Employment by Age

LaborForceParticipation

Princeton Employment by Race

LaborForceParticipation

Princeton 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

25.37%

Born in Princeton

70.92%

Native Born

29.08%

Foreign Born

16.03%

Non Citizen

13.05%

Naturalized

Place of Birth

70.92% of Princeton residents were born in the United States, with 25.37% having been born in New Jersey. 16.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Princeton Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202929,589-113-0.38%
202829,702-112-0.38%
202729,814-113-0.38%
202629,927-112-0.37%
202530,039-113-0.37%
202430,152-112-0.37%
202330,264-113-0.37%
202230,377-145-0.48%
202130,522-80-0.26%
202030,602-558-1.79%
201931,160-146-0.47%
201831,306-85-0.27%
201731,3913721.2%
201631,0198932.96%
201530,1264561.54%
201429,670-51-0.17%
201329,7213281.12%
201229,3931,3054.65%
201128,088-504-1.76%
201028,59200%
200014,2032,18718.2%
199012,016-19-0.16%
198012,035-276-2.24%
197012,3114213.54%
196011,890-340-2.78%
195012,2304,51158.44%
19407,71972710.4%
19306,9921,07518.17%
19205,91778115.21%
19105,1361,23731.73%
19003,89947713.94%
18903,4222136.64%
18803,20941114.69%
18702,798-26,791-90.54%
showing: 34 rows

Princeton Population by Year