Population By Race and Ethnicity in Middlesex County, MA in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 1,628,671 population of Middlesex County, Massachusetts comprised of 136,253 people who identified as Hispanic (8.37%), and 1,492,418 people who identified as Non-Hispanic (91.63%).

Race: The White Alone population was the largest racial group in Middlesex County, Massachusetts with a population of 1,262,058 (77.49%); Asian Alone population was the second largest racial group with a population of 221,459 (13.6%); and Black or African American Alone was the third largest racial group with a population of 98,110 (6.02%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Massachusetts in 2020, with a population of 1,149,080 (70.55%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 219,697 (13.49%); and the third largest ethnic group was White Alone - Hispanic with a population of 112,978 (6.94%).

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 2020
Total Population:
Race in Middlesex County, MA in 2020
Total Population:
Ethnicity in Middlesex County, MA in 2020
Total Population:
Population By Race in Middlesex , MA in 2020
Race Population Percentage
Black or African American Alone 98,110 6.02%
White Alone 1,262,058 77.49%
American Indian and Alaska Native Alone 4,511 0.28%
Asian Alone 221,459 13.6%
Native Hawaiian And Pacific Islander Alone 1,061 0.07%
Two Or More Races 41,472 2.55%
Population By Ethnicity in Middlesex , MA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 11,932 0.73%
White Alone - Hispanic 112,978 6.94%
American Indian and Alaska Native Alone - Hispanic 2,480 0.15%
Asian Alone - Hispanic 1,762 0.11%
Native Hawaiian And Pacific Islander Alone - Hispanic 610 0.04%
Two Or More Races - Hispanic 6,491 0.4%
Black or African American Alone - Non Hispanic 86,178 5.29%
White Alone - Non Hispanic 1,149,080 70.55%
American Indian and Alaska Native Alone - Non Hispanic 2,031 0.13%
Asian Alone - Non Hispanic 219,697 13.49%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 451 0.03%
Two Or More Races - Non Hispanic 34,981 2.15%