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

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 572,833 population of Union County, New Jersey comprised of 196,708 people who identified as Hispanic (34.34%), and 376,125 people who identified as Non-Hispanic (65.66%).

Race: The White Alone population was the largest racial group in Union County, New Jersey with a population of 383,221 (66.9%); Black or African American Alone population was the second largest racial group with a population of 136,205 (23.78%); and Asian Alone was the third largest racial group with a population of 34,313 (5.99%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, New Jersey in 2021, with a population of 216,289 (37.76%); the second largest ethnic group was White Alone - Hispanic with a population of 166,932 (29.14%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 118,195 (20.63%).

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 136,205 23.78%
White Alone 383,221 66.9%
American Indian and Alaska Native Alone 5,265 0.92%
Asian Alone 34,313 5.99%
Native Hawaiian And Pacific Islander Alone 779 0.14%
Two Or More Races 13,050 2.28%
Population By Ethnicity in Union , NJ in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 18,010 3.14%
White Alone - Hispanic 166,932 29.14%
American Indian and Alaska Native Alone - Hispanic 4,608 0.8%
Asian Alone - Hispanic 1,400 0.24%
Native Hawaiian And Pacific Islander Alone - Hispanic 602 0.11%
Two Or More Races - Hispanic 5,156 0.9%
Black or African American Alone - Non Hispanic 118,195 20.63%
White Alone - Non Hispanic 216,289 37.76%
American Indian and Alaska Native Alone - Non Hispanic 657 0.12%
Asian Alone - Non Hispanic 32,913 5.75%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 177 0.03%
Two Or More Races - Non Hispanic 7,894 1.38%