Population By Race and Ethnicity in Middlesex County, CT in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 165,624 population of Middlesex County, Connecticut comprised of 7,917 people who identified as Hispanic (4.78%), and 157,707 people who identified as Non-Hispanic (95.22%).

Race: The White Alone population was the largest racial group in Middlesex County, Connecticut with a population of 149,880 (90.49%); Black or African American Alone population was the second largest racial group with a population of 8,135 (4.91%); and Asian Alone was the third largest racial group with a population of 4,348 (2.63%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Connecticut in 2010, with a population of 143,291 (86.52%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 7,325 (4.42%); and the third largest ethnic group was White Alone - Hispanic with a population of 6,589 (3.98%).

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 2010
Total Population:
Race in Middlesex County, CT in 2010
Total Population:
Ethnicity in Middlesex County, CT in 2010
Total Population:
Population By Race in Middlesex , CT in 2010
Race Population Percentage
Black or African American Alone 8,135 4.91%
White Alone 149,880 90.49%
American Indian and Alaska Native Alone 302 0.18%
Asian Alone 4,348 2.63%
Native Hawaiian And Pacific Islander Alone 86 0.05%
Two Or More Races 2,873 1.74%
Population By Ethnicity in Middlesex , CT in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 810 0.49%
White Alone - Hispanic 6,589 3.98%
American Indian and Alaska Native Alone - Hispanic 81 0.05%
Asian Alone - Hispanic 72 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 29 0.02%
Two Or More Races - Hispanic 336 0.2%
Black or African American Alone - Non Hispanic 7,325 4.42%
White Alone - Non Hispanic 143,291 86.52%
American Indian and Alaska Native Alone - Non Hispanic 221 0.13%
Asian Alone - Non Hispanic 4,276 2.58%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 57 0.03%
Two Or More Races - Non Hispanic 2,537 1.53%