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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 825,677 population of Middlesex County, New Jersey comprised of 175,727 people who identified as Hispanic (21.28%), and 649,950 people who identified as Non-Hispanic (78.72%).

Race: The White Alone population was the largest racial group in Middlesex County, New Jersey with a population of 495,475 (60.01%); Asian Alone population was the second largest racial group with a population of 208,237 (25.22%); and Black or African American Alone was the third largest racial group with a population of 97,120 (11.76%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, New Jersey in 2018, with a population of 349,733 (42.36%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 206,320 (24.99%); and the third largest ethnic group was White Alone - Hispanic with a population of 145,742 (17.65%).

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 County, NJ in 2018
Total Population:
Race in Middlesex County, NJ in 2018
Total Population:
Ethnicity in Middlesex County, NJ in 2018
Total Population:
Population By Race in Middlesex , NJ in 2018
Race Population Percentage
Black or African American Alone 97,120 11.76%
White Alone 495,475 60.01%
American Indian and Alaska Native Alone 5,741 0.7%
Asian Alone 208,237 25.22%
Native Hawaiian And Pacific Islander Alone 1,009 0.12%
Two Or More Races 18,095 2.19%
Population By Ethnicity in Middlesex , NJ in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 17,357 2.1%
White Alone - Hispanic 145,742 17.65%
American Indian and Alaska Native Alone - Hispanic 4,244 0.51%
Asian Alone - Hispanic 1,917 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 732 0.09%
Two Or More Races - Hispanic 5,735 0.7%
Black or African American Alone - Non Hispanic 79,763 9.66%
White Alone - Non Hispanic 349,733 42.36%
American Indian and Alaska Native Alone - Non Hispanic 1,497 0.18%
Asian Alone - Non Hispanic 206,320 24.99%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 277 0.03%
Two Or More Races - Non Hispanic 12,360 1.5%