Union, NJ Demographics

A map of Union's Population by Race

Union, New Jersey has an estimated population of 2,774, a large increase from the 2,229 recorded in the 2020 Census. The population is 38.4% Black, 31.8% Hispanic, 14.3% Asian, 9.4% White, 5.0% Native American/Other, and 1.1% Multiracial. This demographic dot map shows the population of Union, with one dot drawn for each person counted by the Census, color-coded by race.

Union has become less racially diverse since the 2020 Census. It is considerably more 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 Union, that probability was 76.9% in 2020 and 72.0% in the most recent ACS estimates.

Union is ranked the 399th 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). Union was ranked the 443rd most populous place in the 2020 Census.

Union's White Population

261 residents of Union, or 9.4% of the population, identify as White. The share of White residents in Union is significantly lower than in New Jersey overall, where 50.9% of the population is White. Union ranks 642nd statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's White population has declined by an estimated 60.5%. White residents' share of Union's population has decreased from 29.6% to 9.4%.

Union is more White than neighboring Vauxhall (6.8% White). Union is less White than neighboring Connecticut Farms (39.1% White), Kenilworth (56.2% White), Roselle Park (40.3% White), and Kean University (22.1% White).

Union's Black Population

1,064 residents of Union, or 38.4% of the population, identify as Black. The share of Black residents in Union is significantly higher than in New Jersey overall, where 12.2% of the population is Black. Union ranks 42nd statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's Black population has grown by an estimated 88.3%. Black residents' share of Union's population has increased from 25.3% to 38.4%.

Union is more Black than neighboring Connecticut Farms (0% Black), Kenilworth (5.2% Black), and Roselle Park (9.6% Black). Union is less Black than neighboring Vauxhall (74.5% Black), and Kean University (43% Black).

Union's Asian Population

398 residents of Union, or 14.3% of the population, identify as Asian. The share of Asian residents in Union is slightly higher than in New Jersey overall, where 10% of the population is Asian. Union ranks 100th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's Asian population has grown by an estimated 22.1%. Asian residents' share of Union's population has remained roughly unchanged at 14.3%.

Union is more Asian than neighboring Vauxhall (4.6% Asian), Kenilworth (3.5% Asian), Roselle Park (14% Asian), and Kean University (5.5% Asian). Union is less Asian than neighboring Connecticut Farms (23.4% Asian).

Union's Hispanic Population

882 residents of Union, or 31.8% of the population, identify as Hispanic. The share of Hispanic residents in Union is higher than in New Jersey overall, where 22.5% of the population is Hispanic. Union ranks 100th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's Hispanic population has grown by an estimated 68.0%. Hispanic residents' share of Union's population has increased from 23.6% to 31.8%.

Union is more Hispanic than neighboring Vauxhall (9.2% Hispanic), Kenilworth (31.6% Hispanic), and Kean University (27.1% Hispanic). Union is less Hispanic than neighboring Connecticut Farms (37.4% Hispanic), and Roselle Park (32.2% Hispanic).

Union's Native American/Other Population

139 residents of Union, or 5.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Union is slightly higher than in New Jersey overall, where 0.9% of the population is Native American/Other. Union ranks 18th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's Native American/Other population has grown by an estimated 131.7%. Native American/Other residents' share of Union's population has increased from 2.7% to 5.0%.

Union is more Native American/Other than neighboring Connecticut Farms (0% Native American/Other), Vauxhall (1.4% Native American/Other), Kenilworth (1.9% Native American/Other), Roselle Park (1.3% Native American/Other), and Kean University (0% Native American/Other).

Union's Multiracial Population

30 residents of Union, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in Union is slightly lower than in New Jersey overall, where 3.5% of the population is Multiracial. Union ranks 147th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Union's Multiracial population has declined by an estimated 67.7%. Multiracial residents' share of Union's population has decreased from 4.2% to 1.1%.

Union is more Multiracial than neighboring Connecticut Farms (0% Multiracial). Union is less Multiracial than neighboring Vauxhall (3.4% Multiracial), Kenilworth (1.6% Multiracial), Roselle Park (2.6% Multiracial), and Kean University (2.3% 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.