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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 1,507,694 population of Middlesex County, Massachusetts comprised of 99,508 people who identified as Hispanic (6.6%), and 1,408,186 people who identified as Non-Hispanic (93.4%).

Race: The White Alone population was the largest racial group in Middlesex County, Massachusetts with a population of 1,252,890 (83.1%); Asian Alone population was the second largest racial group with a population of 145,124 (9.63%); and Black or African American Alone was the third largest racial group with a population of 76,982 (5.11%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Massachusetts in 2010, with a population of 1,168,565 (77.51%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 143,921 (9.55%); and the third largest ethnic group was White Alone - Hispanic with a population of 84,325 (5.59%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Middlesex, Massachusetts.

You can find similar information for other Massachusetts counties, and for Massachusetts.

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Hispanics and Non Hispanics in Middlesex County, MA in 2010
Total Population:
Race in Middlesex County, MA in 2010
Total Population:
Ethnicity in Middlesex County, MA in 2010
Total Population:
Population By Race in Middlesex , MA in 2010
Race Population Percentage
Black or African American Alone 76,982 5.11%
White Alone 1,252,890 83.1%
American Indian and Alaska Native Alone 3,676 0.24%
Asian Alone 145,124 9.63%
Native Hawaiian And Pacific Islander Alone 977 0.07%
Two Or More Races 28,045 1.86%
Population By Ethnicity in Middlesex , MA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 7,852 0.52%
White Alone - Hispanic 84,325 5.59%
American Indian and Alaska Native Alone - Hispanic 1,958 0.13%
Asian Alone - Hispanic 1,203 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 543 0.04%
Two Or More Races - Hispanic 3,627 0.24%
Black or African American Alone - Non Hispanic 69,130 4.59%
White Alone - Non Hispanic 1,168,565 77.51%
American Indian and Alaska Native Alone - Non Hispanic 1,718 0.11%
Asian Alone - Non Hispanic 143,921 9.55%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 434 0.03%
Two Or More Races - Non Hispanic 24,418 1.62%