Population By Race and Ethnicity in Middlesex County, NJ in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 825,471 population of Middlesex County, New Jersey comprised of 166,443 people who identified as Hispanic (20.16%), and 659,028 people who identified as Non-Hispanic (79.84%).

Race: The White Alone population was the largest racial group in Middlesex County, New Jersey with a population of 509,538 (61.73%); Asian Alone population was the second largest racial group with a population of 198,912 (24.1%); and Black or African American Alone was the third largest racial group with a population of 93,978 (11.39%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, New Jersey in 2015, with a population of 370,824 (44.92%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 197,099 (23.88%); and the third largest ethnic group was White Alone - Hispanic with a population of 138,714 (16.8%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Middlesex County, NJ in 2015

Total Population:825,471

Non Hispanic (79.84%)

Hispanic (20.16%)

Race in Middlesex County, NJ in 2015

Total Population:825,471

White Alone (61.73%)

Asian Alone (24.1%)

Black or African American Alone (11.39%)

Two or more races (2.04%)

American Indian and Alaska Native Alone (0.65%)

Native Hawaiian And Pacific Islander Alone (0.1%)

Ethnicity in Middlesex County, NJ in 2015

Total Population:825,471

Non-Hispanic White Alone (44.92%)

Non-Hispanic Asian Alone (23.88%)

Hispanic White Alone (16.8%)

Non-Hispanic Black or African American Alone (9.44%)

All Other Ethnicities (3.01%)

Hispanic Black or African American Alone (1.95%)

Population By Race in Middlesex , NJ in 2015

Race	Population	Percentage
White Alone	509,538	61.73%
Asian Alone	198,912	24.1%
Black or African American Alone	93,978	11.39%
Two Or More Races	16,818	2.04%
American Indian and Alaska Native Alone	5,373	0.65%
Native Hawaiian And Pacific Islander Alone	852	0.1%

Population By Ethnicity in Middlesex , NJ in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	370,824	44.92%
Asian Alone - Non Hispanic	197,099	23.88%
White Alone - Hispanic	138,714	16.8%
Black or African American Alone - Non Hispanic	77,910	9.44%
Black or African American Alone - Hispanic	16,068	1.95%
Two Or More Races - Non Hispanic	11,504	1.39%
Two Or More Races - Hispanic	5,314	0.64%
American Indian and Alaska Native Alone - Hispanic	3,946	0.48%
Asian Alone - Hispanic	1,813	0.22%
American Indian and Alaska Native Alone - Non Hispanic	1,427	0.17%
Native Hawaiian And Pacific Islander Alone - Hispanic	588	0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	264	0.03%