Population By Race and Ethnicity in Somerset County, NJ in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 330,772 population of Somerset County, New Jersey comprised of 48,607 people who identified as Hispanic (14.7%), and 282,165 people who identified as Non-Hispanic (85.31%).

Race: The White Alone population was the largest racial group in Somerset County, New Jersey with a population of 226,273 (68.41%); Asian Alone population was the second largest racial group with a population of 61,895 (18.71%); and Black or African American Alone was the third largest racial group with a population of 34,286 (10.37%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Somerset County, New Jersey in 2018, with a population of 183,842 (55.58%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 61,438 (18.57%); and the third largest ethnic group was White Alone - Hispanic with a population of 42,431 (12.83%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Somerset, 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 Somerset County, NJ in 2018
Total Population:
Race in Somerset County, NJ in 2018
Total Population:
Ethnicity in Somerset County, NJ in 2018
Total Population:
Population By Race in Somerset , NJ in 2018
Race Population Percentage
Black or African American Alone 34,286 10.37%
White Alone 226,273 68.41%
American Indian and Alaska Native Alone 1,269 0.38%
Asian Alone 61,895 18.71%
Native Hawaiian And Pacific Islander Alone 265 0.08%
Two Or More Races 6,784 2.05%
Population By Ethnicity in Somerset , NJ in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3,304 1%
White Alone - Hispanic 42,431 12.83%
American Indian and Alaska Native Alone - Hispanic 836 0.25%
Asian Alone - Hispanic 457 0.14%
Native Hawaiian And Pacific Islander Alone - Hispanic 154 0.05%
Two Or More Races - Hispanic 1,425 0.43%
Black or African American Alone - Non Hispanic 30,982 9.37%
White Alone - Non Hispanic 183,842 55.58%
American Indian and Alaska Native Alone - Non Hispanic 433 0.13%
Asian Alone - Non Hispanic 61,438 18.57%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 111 0.03%
Two Or More Races - Non Hispanic 5,359 1.62%