Population By Race and Ethnicity in Middlesex County, MA in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 1,524,996 population of Middlesex County, Massachusetts comprised of 103,915 people who identified as Hispanic (6.81%), and 1,421,081 people who identified as Non-Hispanic (93.19%).

Race: The White Alone population was the largest racial group in Middlesex County, Massachusetts with a population of 1,258,367 (82.52%); Asian Alone population was the second largest racial group with a population of 152,270 (9.99%); and Black or African American Alone was the third largest racial group with a population of 79,800 (5.23%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Massachusetts in 2011, with a population of 1,170,632 (76.76%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 150,990 (9.9%); and the third largest ethnic group was White Alone - Hispanic with a population of 87,735 (5.75%).

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 2011
Total Population:
Race in Middlesex County, MA in 2011
Total Population:
Ethnicity in Middlesex County, MA in 2011
Total Population:
Population By Race in Middlesex , MA in 2011
Race Population Percentage
Black or African American Alone 79,800 5.23%
White Alone 1,258,367 82.52%
American Indian and Alaska Native Alone 3,800 0.25%
Asian Alone 152,270 9.99%
Native Hawaiian And Pacific Islander Alone 955 0.06%
Two Or More Races 29,804 1.95%
Population By Ethnicity in Middlesex , MA in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 8,301 0.54%
White Alone - Hispanic 87,735 5.75%
American Indian and Alaska Native Alone - Hispanic 2,065 0.14%
Asian Alone - Hispanic 1,280 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 520 0.03%
Two Or More Races - Hispanic 4,014 0.26%
Black or African American Alone - Non Hispanic 71,499 4.69%
White Alone - Non Hispanic 1,170,632 76.76%
American Indian and Alaska Native Alone - Non Hispanic 1,735 0.11%
Asian Alone - Non Hispanic 150,990 9.9%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 435 0.03%
Two Or More Races - Non Hispanic 25,790 1.69%