Middlesex County, Massachusetts Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 1.63M population of Middlesex County, MA residents comprised of 143.25K residents who identified as Hispanic or Latino (8.78%), and 1.49M residents who identified as Non-Hispanic (91.22%).

Race: The White Alone population was the largest racial group in Middlesex County, MA, with a population of 1.11M (68.16%). The Asian Alone population was the second largest racial group in Middlesex County, MA, with a population of 210.46K (12.90%). The Two Or More Races population was the third largest racial group in Middlesex County, MA, with a population of 134.74K (8.26%). The smallest racial group in Middlesex County, MA was Native Hawaiian And Pacific Islander Alone with a population of 444 (0.03%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Middlesex County, MA, with a population of 1.09M (66.54%). The Non-Hispanic - Asian Alone population was the second largest ethnic group in Middlesex County, MA, with a population of 209.63K (12.85%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Middlesex County, MA, with a population of 82.25K (5.04%). The smallest ethnic group in Middlesex County, MA was Hispanic - Native Hawaiian & Pac. Islander with a population of 91 (0.01%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Middlesex County, Massachusetts from the 2020 decennial census.

You can see similar information for other Massachusetts counties and also for the state of Massachusetts.

Middlesex County, MA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Middlesex County, MA Racial Groups in Census 2020
Total Population:
Middlesex County, MA Ethnicity Groups in Census 2020
Total Population:
Middlesex County, MA Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 84670 5.19
White Alone 1112445 68.16
American Indian and Alaska Native Alone 3676 0.23
Asian Alone 210462 12.90
Native Hawaiian And Pacific Islander Alone 444 0.03
Some Other Race Alone 85566 5.24
Two Or More Races 134739 8.26
Middlesex County, MA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 1085919 66.54
Non-Hispanic - Asian Alone 209632 12.85
Non-Hispanic - Two or More Races 82249 5.04
Non-Hispanic - Black Alone 80996 4.96
Hispanic - Some Other Race Alone 57372 3.52
Hispanic - Two or More Races 52490 3.22
Non-Hispanic - Some Other Race Alone 28194 1.73
Hispanic - White Alone 26526 1.63
Hispanic - Black Alone 3674 0.23
Hispanic - American Indian & Alaska Native 2262 0.14
Non-Hispanic - American Indian & Alaska Native 1414 0.09
Hispanic - Asian Alone 830 0.05
Non-Hispanic - Native Hawaiian & Pac. Islander 353 0.02
Hispanic - Native Hawaiian & Pac. Islander 91 0.01