Population By Race and Ethnicity in Middlesex, NJ in 2017

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2017, the 826,972 population of Middlesex County, New Jersey comprised of 172,538 people who identified as Hispanic (20.86%), and 654,434 people who identified as Non-Hispanic (79.14%).

Race: The White Alone population was the largest racial group in Middlesex County, New Jersey with a population of 500,225 (60.49%); Asian Alone population was the second largest racial group with a population of 206,752 (25%); and Black or African American Alone was the third largest racial group with a population of 95,902 (11.6%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, New Jersey in 2017, with a population of 356,775 (43.14%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 204,848 (24.77%); and the third largest ethnic group was White Alone - Hispanic with a population of 143,450 (17.35%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Middlesex, 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 Middlesex, NJ in 2017
Total Population:
Race in Middlesex, NJ in 2017
Total Population:
Ethnicity in Middlesex, NJ in 2017
Total Population:
Population By Race in Middlesex , NJ in 2017
Race Population Percentage
Black or African American Alone 95,902 11.6%
White Alone 500,225 60.49%
American Indian and Alaska Native Alone 5,587 0.68%
Asian Alone 206,752 25%
Native Hawaiian And Pacific Islander Alone 962 0.12%
Two Or More Races 17,544 2.12%
Population By Ethnicity in Middlesex , NJ in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 16,820 2.03%
White Alone - Hispanic 143,450 17.35%
American Indian and Alaska Native Alone - Hispanic 4,120 0.5%
Asian Alone - Hispanic 1,904 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 694 0.08%
Two Or More Races - Hispanic 5,550 0.67%
Black or African American Alone - Non Hispanic 79,082 9.56%
White Alone - Non Hispanic 356,775 43.14%
American Indian and Alaska Native Alone - Non Hispanic 1,467 0.18%
Asian Alone - Non Hispanic 204,848 24.77%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 268 0.03%
Two Or More Races - Non Hispanic 11,994 1.45%