Population By Race and Ethnicity in Mercer County, NJ in 2022

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2022, the 380,779 population of Mercer County, New Jersey comprised of 86,998 people who identified as Hispanic (22.85%), and 293,781 people who identified as Non-Hispanic (77.15%).

Race: The White Alone population was the largest racial group in Mercer County, New Jersey with a population of 236,112 (62.01%); Black or African American Alone population was the second largest racial group with a population of 82,296 (21.61%); and Asian Alone was the third largest racial group with a population of 48,134 (12.64%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, New Jersey in 2022, with a population of 166,848 (43.82%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 71,691 (18.83%); and the third largest ethnic group was White Alone - Hispanic with a population of 69,264 (18.19%).

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

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

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Hispanics and Non Hispanics in Mercer County, NJ in 2022
Total Population:
Race in Mercer County, NJ in 2022
Total Population:
Ethnicity in Mercer County, NJ in 2022
Total Population:
Population By Race in Mercer , NJ in 2022
Race Population Percentage
Black or African American Alone 82,296 21.61%
White Alone 236,112 62.01%
American Indian and Alaska Native Alone 3,050 0.8%
Asian Alone 48,134 12.64%
Native Hawaiian And Pacific Islander Alone 1,038 0.27%
Two Or More Races 10,149 2.67%
Population By Ethnicity in Mercer , NJ in 2022
Ethnicity Population Percentage
Black or African American Alone - Hispanic 10,605 2.79%
White Alone - Hispanic 69,264 18.19%
American Indian and Alaska Native Alone - Hispanic 2,467 0.65%
Asian Alone - Hispanic 859 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 838 0.22%
Two Or More Races - Hispanic 2,965 0.78%
Black or African American Alone - Non Hispanic 71,691 18.83%
White Alone - Non Hispanic 166,848 43.82%
American Indian and Alaska Native Alone - Non Hispanic 583 0.15%
Asian Alone - Non Hispanic 47,275 12.42%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 200 0.05%
Two Or More Races - Non Hispanic 7,184 1.89%