Princeton, NJ Demographics

A map of Princeton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	17,792	17,446	57.8%	56.9%
Asian	6,618	6,732	21.5%	21.9%
Hispanic	2,457	3,014	8.0%	9.8%
Black	1,885	1,742	6.1%	5.7%
Multiracial	1,653	1,526	5.4%	5.0%
Native American/Other	351	221	1.1%	0.7%

Princeton, New Jersey has an estimated population of 30,756, a less than 1% change from the 30,681 recorded in the 2020 Census. The population is 57.8% White, 21.5% Asian, 8.0% Hispanic, 6.1% Black, 5.4% Multiracial, and 1.1% Native American/Other. This demographic dot map shows the population of Princeton, with one dot drawn for each person counted by the Census, color-coded by race.

Princeton has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Princeton, that probability was 61.3% in 2020 and 60.6% in the most recent ACS estimates.

Princeton is ranked the 31st most populous place in New Jersey, out of 700 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Princeton was ranked the 31st most populous place in the 2020 Census.

Princeton's White Population

17,792 residents of Princeton, or 57.8% of the population, identify as White. The share of White residents in Princeton is higher than in New Jersey overall, where 50.9% of the population is White. Princeton ranks 521st statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's White population has grown by an estimated 2.0%. White residents' share of Princeton's population has increased from 56.9% to 57.8%.

Princeton is more White than neighboring Princeton Junction (55% White). Princeton is less White than neighboring Rocky Hill (79.9% White), Blawenburg (68.2% White), Kingston (74.9% White), and East Rocky Hill (87.2% White).

Princeton's Black Population

1,885 residents of Princeton, or 6.1% of the population, identify as Black. The share of Black residents in Princeton is lower than in New Jersey overall, where 12.2% of the population is Black. Princeton ranks 211th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's Black population has grown by an estimated 8.2%. Black residents' share of Princeton's population has remained roughly unchanged at 6.1%.

Princeton is more Black than neighboring Rocky Hill (0.1% Black), Blawenburg (0% Black), Princeton Junction (1.8% Black), Kingston (5% Black), and East Rocky Hill (1.3% Black).

Princeton's Asian Population

6,618 residents of Princeton, or 21.5% of the population, identify as Asian. The share of Asian residents in Princeton is considerably higher than in New Jersey overall, where 10% of the population is Asian. Princeton ranks 63rd statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's Asian population has declined by an estimated 1.7%. Asian residents' share of Princeton's population has remained roughly unchanged at 21.5%.

Princeton is more Asian than neighboring Rocky Hill (6.2% Asian), Kingston (9.2% Asian), and East Rocky Hill (0.4% Asian). Princeton is less Asian than neighboring Blawenburg (31.8% Asian), and Princeton Junction (29.8% Asian).

Princeton's Hispanic Population

2,457 residents of Princeton, or 8.0% of the population, identify as Hispanic. The share of Hispanic residents in Princeton is considerably lower than in New Jersey overall, where 22.5% of the population is Hispanic. Princeton ranks 333rd statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's Hispanic population has declined by an estimated 18.5%. Hispanic residents' share of Princeton's population has decreased from 9.8% to 8.0%.

Princeton is more Hispanic than neighboring Rocky Hill (7.7% Hispanic), Blawenburg (0% Hispanic), Princeton Junction (2.6% Hispanic), and East Rocky Hill (0.4% Hispanic). Princeton is less Hispanic than neighboring Kingston (9.6% Hispanic).

Princeton's Native American/Other Population

351 residents of Princeton, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Princeton is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Princeton ranks 245th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's Native American/Other population has grown by an estimated 58.8%. Native American/Other residents' share of Princeton's population has remained roughly unchanged at 1.1%.

Princeton is more Native American/Other than neighboring Blawenburg (0% Native American/Other), Princeton Junction (0% Native American/Other), and East Rocky Hill (0% Native American/Other). Princeton is less Native American/Other than neighboring Kingston (1.4% Native American/Other).

Princeton's Multiracial Population

1,653 residents of Princeton, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Princeton is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Princeton ranks 68th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Princeton's Multiracial population has grown by an estimated 8.3%. Multiracial residents' share of Princeton's population has remained roughly unchanged at 5.4%.

Princeton is more Multiracial than neighboring Rocky Hill (5% Multiracial), Blawenburg (0% Multiracial), and Kingston (0% Multiracial). Princeton is less Multiracial than neighboring Princeton Junction (10.8% Multiracial), and East Rocky Hill (10.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.