Population By Race and Ethnicity in Union County, NJ in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 573,617 population of Union County, New Jersey comprised of 190,710 people who identified as Hispanic (33.25%), and 382,907 people who identified as Non-Hispanic (66.75%).

Race: The White Alone population was the largest racial group in Union County, New Jersey with a population of 384,435 (67.02%); Black or African American Alone population was the second largest racial group with a population of 136,776 (23.84%); and Asian Alone was the third largest racial group with a population of 33,933 (5.92%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, New Jersey in 2020, with a population of 221,830 (38.67%); the second largest ethnic group was White Alone - Hispanic with a population of 162,605 (28.35%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 119,657 (20.86%).

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 2020
Total Population:
Race in Union County, NJ in 2020
Total Population:
Ethnicity in Union County, NJ in 2020
Total Population:
Population By Race in Union , NJ in 2020
Race Population Percentage
Black or African American Alone 136,776 23.84%
White Alone 384,435 67.02%
American Indian and Alaska Native Alone 5,018 0.88%
Asian Alone 33,933 5.92%
Native Hawaiian And Pacific Islander Alone 739 0.13%
Two Or More Races 12,716 2.22%
Population By Ethnicity in Union , NJ in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 17,119 2.98%
White Alone - Hispanic 162,605 28.35%
American Indian and Alaska Native Alone - Hispanic 4,329 0.76%
Asian Alone - Hispanic 1,312 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 562 0.1%
Two Or More Races - Hispanic 4,783 0.83%
Black or African American Alone - Non Hispanic 119,657 20.86%
White Alone - Non Hispanic 221,830 38.67%
American Indian and Alaska Native Alone - Non Hispanic 689 0.12%
Asian Alone - Non Hispanic 32,621 5.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 177 0.03%
Two Or More Races - Non Hispanic 7,933 1.38%