Population By Race and Ethnicity in Union County, NJ in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 572,810 population of Union County, New Jersey comprised of 192,180 people who identified as Hispanic (33.55%), and 380,630 people who identified as Non-Hispanic (66.45%).

Race: The White Alone population was the largest racial group in Union County, New Jersey with a population of 382,192 (66.72%); Black or African American Alone population was the second largest racial group with a population of 136,919 (23.9%); and Asian Alone was the third largest racial group with a population of 34,772 (6.07%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, New Jersey in 2021, with a population of 219,195 (38.27%); the second largest ethnic group was White Alone - Hispanic with a population of 162,997 (28.46%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 119,214 (20.81%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Union, New Jersey.

You can find similar information for other New Jersey counties, and for New Jersey.

See this for other years:
Hispanics and Non Hispanics in Union County, NJ in 2021
Total Population:
Race in Union County, NJ in 2021
Total Population:
Ethnicity in Union County, NJ in 2021
Total Population:
Population By Race in Union , NJ in 2021
Race Population Percentage
Black or African American Alone 136,919 23.9%
White Alone 382,192 66.72%
American Indian and Alaska Native Alone 5,158 0.9%
Asian Alone 34,772 6.07%
Native Hawaiian And Pacific Islander Alone 767 0.13%
Two Or More Races 13,002 2.27%
Population By Ethnicity in Union , NJ in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 17,705 3.09%
White Alone - Hispanic 162,997 28.46%
American Indian and Alaska Native Alone - Hispanic 4,488 0.78%
Asian Alone - Hispanic 1,353 0.24%
Native Hawaiian And Pacific Islander Alone - Hispanic 588 0.1%
Two Or More Races - Hispanic 5,049 0.88%
Black or African American Alone - Non Hispanic 119,214 20.81%
White Alone - Non Hispanic 219,195 38.27%
American Indian and Alaska Native Alone - Non Hispanic 670 0.12%
Asian Alone - Non Hispanic 33,419 5.83%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 179 0.03%
Two Or More Races - Non Hispanic 7,953 1.39%