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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 1,608,509 population of Middlesex County, Massachusetts comprised of 129,788 people who identified as Hispanic (8.07%), and 1,478,721 people who identified as Non-Hispanic (91.93%).

Race: The White Alone population was the largest racial group in Middlesex County, Massachusetts with a population of 1,262,335 (78.48%); Asian Alone population was the second largest racial group with a population of 206,923 (12.86%); and Black or African American Alone was the third largest racial group with a population of 94,888 (5.9%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Massachusetts in 2018, with a population of 1,154,010 (71.74%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 205,276 (12.76%); and the third largest ethnic group was White Alone - Hispanic with a population of 108,325 (6.73%).

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 2018
Total Population:
Race in Middlesex County, MA in 2018
Total Population:
Ethnicity in Middlesex County, MA in 2018
Total Population:
Population By Race in Middlesex , MA in 2018
Race Population Percentage
Black or African American Alone 94,888 5.9%
White Alone 1,262,335 78.48%
American Indian and Alaska Native Alone 4,247 0.26%
Asian Alone 206,923 12.86%
Native Hawaiian And Pacific Islander Alone 1,039 0.07%
Two Or More Races 39,077 2.43%
Population By Ethnicity in Middlesex , MA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 11,000 0.68%
White Alone - Hispanic 108,325 6.73%
American Indian and Alaska Native Alone - Hispanic 2,300 0.14%
Asian Alone - Hispanic 1,647 0.1%
Native Hawaiian And Pacific Islander Alone - Hispanic 606 0.04%
Two Or More Races - Hispanic 5,910 0.37%
Black or African American Alone - Non Hispanic 83,888 5.22%
White Alone - Non Hispanic 1,154,010 71.74%
American Indian and Alaska Native Alone - Non Hispanic 1,947 0.12%
Asian Alone - Non Hispanic 205,276 12.76%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 433 0.03%
Two Or More Races - Non Hispanic 33,167 2.06%