Princeton, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Princeton, New Jersey is 30,451 as of the 2023 American Community Survey, making it the 31st-largest city in New Jersey. The median household income is $184,113, the median home value is $1,040,400, and the median age is 27.5.
The population has grown 10.0% since 2010 (28,592 → 31,445).
30,451
Population
1697
People / sq mi
$184,113
Median Income
$1,040,400
Median Home Value
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Princeton covers 17.9 sq mi of land at 1697 people per square mile.
About Princeton, NJ
Educational attainment is the headline number in Princeton: 84.6% of adults 25 and older have a four-year degree. Princeton is a city in New Jersey with a population of 30,451. It ranks #31 among cities in New Jersey by population.
Earnings sit at the high end: a median household income of $184,113, above the US median of $78,538. Only 4.5% of residents live in poverty, below the national 12.4%. Housing is expensive: the median home is worth $1,040,400, with typical rent around $2,448.
The population is unusually well-credentialed for US cities — 84.6% of adults have a four-year degree, above the national 35.0%. Working from home is common here: 31.7% of workers do so, above the national 14.0%, and the average commute runs about 24 minutes each way.
The education numbers are the throughline: a college-heavy population in Princeton usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Princeton Population History (2010-2024)
The city of Princeton had a population of 28,592 in 2010 and 31,445 in 2024, a 10.0% growth over 14 years. The peak was 31,445 in 2024. Average annual growth rate: 0.70%.
31,445
Population (2024)
28,592
Population (2010)
31,445
Peak (2024)
0.70%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,592 |
| 2011 | 28,086 |
| 2012 | 29,388 |
| 2013 | 29,714 |
| 2014 | 29,661 |
| 2015 | 30,115 |
| 2016 | 31,002 |
| 2017 | 31,368 |
| 2018 | 31,270 |
| 2019 | 31,187 |
| 2020 | 30,629 |
| 2021 | 30,552 |
| 2022 | 30,436 |
| 2023 | 30,630 |
| 2024 | 31,445 |
Race & Ethnicity
| White | 62.8% |
| Black or African American | 6.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Economy & Income
$184,113
Median Household Income
$86,332
Per Capita Income
4.5%
Poverty Rate
2.8%
Unemployment Rate
Housing
$1,040,400
Median Home Value
$2,448
Median Rent
56.0%
Owner-Occupied
Education
98.1%
High School+
84.6%
Bachelor's+
Commute
6.7%
Drive Alone
33.3%
Public Transit
31.7%
Work From Home
24.1 min
Avg Commute
Community Profile
43.0%
Foreign Born
64.4%
Non-English at Home
1.4%
Veterans
6.1%
With Disability
98.2%
Health Insurance
99.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 46.0% |
| Finance, Insurance & Real Estate | 18.3% |
| Information | 9.9% |
| Manufacturing | 5.4% |
| Education, Health Care & Social Services | 5.1% |
| Transportation & Warehousing | 3.2% |
| Construction | 1.8% |
| Arts, Entertainment & Food Services | 1.6% |
| Public Administration | 1.4% |
| Retail Trade | 1.2% |
| Agriculture & Mining | 0.1% |
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Frequently Asked Questions
Princeton, New Jersey has a population of 30,451 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 31st-largest city in New Jersey.
The median household income in Princeton, New Jersey is $184,113, with 4.5% of residents living below the federal poverty level.
The median home value in Princeton, New Jersey is $1,040,400, with median monthly rent at $2,448 and a homeownership rate of 56.0%.
The median age in Princeton, New Jersey is 27.5 years. The population is 50.1% male and 49.9% female.
The population has grown 10.0% since 2010 (28,592 → 31,445).
Where to stay in Princeton
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.