Population By Race and Ethnicity in Middlesex County, NJ in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 810,813 population of Middlesex County, New Jersey comprised of 149,884 people who identified as Hispanic (18.49%), and 660,929 people who identified as Non-Hispanic (81.51%).

Race: The White Alone population was the largest racial group in Middlesex County, New Jersey with a population of 526,010 (64.87%); Asian Alone population was the second largest racial group with a population of 178,834 (22.06%); and Black or African American Alone was the third largest racial group with a population of 85,570 (10.55%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, New Jersey in 2010, with a population of 399,293 (49.25%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 177,147 (21.85%); and the third largest ethnic group was White Alone - Hispanic with a population of 126,717 (15.63%).

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.

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Hispanics and Non Hispanics in Middlesex County, NJ in 2010
Total Population:810,813
81.51%18.49%
Non Hispanic (81.51%)
Hispanic (18.49%)
Race in Middlesex County, NJ in 2010
Total Population:810,813
64.87%22.06%10.55%
White Alone (64.87%)
Asian Alone (22.06%)
Black or African American Alone (10.55%)
Two or more races (1.81%)
American Indian and Alaska Native Alone (0.6%)
Native Hawaiian And Pacific Islander Alone (0.1%)
Ethnicity in Middlesex County, NJ in 2010
Total Population:810,813
49.25%21.85%15.63%8.97%
Non-Hispanic White Alone (49.25%)
Non-Hispanic Asian Alone (21.85%)
Hispanic White Alone (15.63%)
Non-Hispanic Black or African American Alone (8.97%)
All Other Ethnicities (2.72%)
Hispanic Black or African American Alone (1.59%)
Population By Race in Middlesex , NJ in 2010
Race
Population
Percentage
White Alone 526,010 64.87%
Asian Alone 178,834 22.06%
Black or African American Alone 85,570 10.55%
Two Or More Races 14,698 1.81%
American Indian and Alaska Native Alone 4,888 0.6%
Native Hawaiian And Pacific Islander Alone 813 0.1%
Population By Ethnicity in Middlesex , NJ in 2010
Ethnicity
Population
Percentage
White Alone - Non Hispanic 399,293 49.25%
Asian Alone - Non Hispanic 177,147 21.85%
White Alone - Hispanic 126,717 15.63%
Black or African American Alone - Non Hispanic 72,691 8.97%
Black or African American Alone - Hispanic 12,879 1.59%
Two Or More Races - Non Hispanic 10,334 1.27%
Two Or More Races - Hispanic 4,364 0.54%
American Indian and Alaska Native Alone - Hispanic 3,648 0.45%
Asian Alone - Hispanic 1,687 0.21%
American Indian and Alaska Native Alone - Non Hispanic 1,240 0.15%
Native Hawaiian And Pacific Islander Alone - Hispanic 589 0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 224 0.03%