Population By Race and Ethnicity in Union County, NJ in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 537,336 population of Union County, New Jersey comprised of 147,673 people who identified as Hispanic (27.48%), and 389,663 people who identified as Non-Hispanic (72.52%).

Race: The White Alone population was the largest racial group in Union County, New Jersey with a population of 373,613 (69.53%); Black or African American Alone population was the second largest racial group with a population of 124,409 (23.15%); and Asian Alone was the third largest racial group with a population of 26,012 (4.84%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, New Jersey in 2010, with a population of 244,491 (45.5%); the second largest ethnic group was White Alone - Hispanic with a population of 129,122 (24.03%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 113,150 (21.06%).

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 2010
Total Population:
Race in Union County, NJ in 2010
Total Population:
Ethnicity in Union County, NJ in 2010
Total Population:
Population By Race in Union , NJ in 2010
Race Population Percentage
Black or African American Alone 124,409 23.15%
White Alone 373,613 69.53%
American Indian and Alaska Native Alone 3,667 0.68%
Asian Alone 26,012 4.84%
Native Hawaiian And Pacific Islander Alone 476 0.09%
Two Or More Races 9,159 1.71%
Population By Ethnicity in Union , NJ in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 11,259 2.1%
White Alone - Hispanic 129,122 24.03%
American Indian and Alaska Native Alone - Hispanic 3,096 0.58%
Asian Alone - Hispanic 802 0.15%
Native Hawaiian And Pacific Islander Alone - Hispanic 340 0.06%
Two Or More Races - Hispanic 3,054 0.57%
Black or African American Alone - Non Hispanic 113,150 21.06%
White Alone - Non Hispanic 244,491 45.5%
American Indian and Alaska Native Alone - Non Hispanic 571 0.11%
Asian Alone - Non Hispanic 25,210 4.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 136 0.03%
Two Or More Races - Non Hispanic 6,105 1.14%