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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 166,199 population of Middlesex County, Connecticut comprised of 8,415 people who identified as Hispanic (5.06%), and 157,784 people who identified as Non-Hispanic (94.94%).

Race: The White Alone population was the largest racial group in Middlesex County, Connecticut with a population of 150,022 (90.27%); Black or African American Alone population was the second largest racial group with a population of 8,309 (5%); and Asian Alone was the third largest racial group with a population of 4,469 (2.69%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Connecticut in 2011, with a population of 143,030 (86.06%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 7,459 (4.49%); and the third largest ethnic group was White Alone - Hispanic with a population of 6,992 (4.21%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Middlesex, Connecticut.

You can find similar information for other Connecticut counties, and for Connecticut.

See this for other years:
Hispanics and Non Hispanics in Middlesex County, CT in 2011
Total Population:
Race in Middlesex County, CT in 2011
Total Population:
Ethnicity in Middlesex County, CT in 2011
Total Population:
Population By Race in Middlesex , CT in 2011
Race Population Percentage
Black or African American Alone 8,309 5%
White Alone 150,022 90.27%
American Indian and Alaska Native Alone 313 0.19%
Asian Alone 4,469 2.69%
Native Hawaiian And Pacific Islander Alone 95 0.06%
Two Or More Races 2,991 1.8%
Population By Ethnicity in Middlesex , CT in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 850 0.51%
White Alone - Hispanic 6,992 4.21%
American Indian and Alaska Native Alone - Hispanic 84 0.05%
Asian Alone - Hispanic 77 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 35 0.02%
Two Or More Races - Hispanic 377 0.23%
Black or African American Alone - Non Hispanic 7,459 4.49%
White Alone - Non Hispanic 143,030 86.06%
American Indian and Alaska Native Alone - Non Hispanic 229 0.14%
Asian Alone - Non Hispanic 4,392 2.64%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 60 0.04%
Two Or More Races - Non Hispanic 2,614 1.57%