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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 1,586,107 population of Middlesex County, Massachusetts comprised of 120,465 people who identified as Hispanic (7.6%), and 1,465,642 people who identified as Non-Hispanic (92.41%).

Race: The White Alone population was the largest racial group in Middlesex County, Massachusetts with a population of 1,272,304 (80.22%); Asian Alone population was the second largest racial group with a population of 183,823 (11.59%); and Black or African American Alone was the third largest racial group with a population of 89,337 (5.63%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Massachusetts in 2015, with a population of 1,171,411 (73.85%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 182,359 (11.5%); and the third largest ethnic group was White Alone - Hispanic with a population of 100,893 (6.36%).

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 2015
Total Population:
Race in Middlesex County, MA in 2015
Total Population:
Ethnicity in Middlesex County, MA in 2015
Total Population:
Population By Race in Middlesex , MA in 2015
Race Population Percentage
Black or African American Alone 89,337 5.63%
White Alone 1,272,304 80.22%
American Indian and Alaska Native Alone 4,089 0.26%
Asian Alone 183,823 11.59%
Native Hawaiian And Pacific Islander Alone 1,060 0.07%
Two Or More Races 35,494 2.24%
Population By Ethnicity in Middlesex , MA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 9,866 0.62%
White Alone - Hispanic 100,893 6.36%
American Indian and Alaska Native Alone - Hispanic 2,211 0.14%
Asian Alone - Hispanic 1,464 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 592 0.04%
Two Or More Races - Hispanic 5,439 0.34%
Black or African American Alone - Non Hispanic 79,471 5.01%
White Alone - Non Hispanic 1,171,411 73.85%
American Indian and Alaska Native Alone - Non Hispanic 1,878 0.12%
Asian Alone - Non Hispanic 182,359 11.5%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 468 0.03%
Two Or More Races - Non Hispanic 30,055 1.9%