Population By Race and Ethnicity in Middlesex County, CT in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 162,538 population of Middlesex County, Connecticut comprised of 10,735 people who identified as Hispanic (6.61%), and 151,803 people who identified as Non-Hispanic (93.4%).

Race: The White Alone population was the largest racial group in Middlesex County, Connecticut with a population of 143,955 (88.57%); Black or African American Alone population was the second largest racial group with a population of 9,184 (5.65%); and Asian Alone was the third largest racial group with a population of 5,393 (3.32%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Middlesex County, Connecticut in 2019, with a population of 135,265 (83.22%); the second largest ethnic group was White Alone - Hispanic with a population of 8,690 (5.35%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 7,987 (4.91%).

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.

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Hispanics and Non Hispanics in Middlesex County, CT in 2019
Total Population:162,538
93.4%
Non Hispanic (93.4%)
Hispanic (6.61%)
Race in Middlesex County, CT in 2019
Total Population:162,538
88.57%
White Alone (88.57%)
Black or African American Alone (5.65%)
Asian Alone (3.32%)
Two or more races (2.1%)
American Indian and Alaska Native Alone (0.29%)
Native Hawaiian And Pacific Islander Alone (0.07%)
Ethnicity in Middlesex County, CT in 2019
Total Population:162,538
83.22%
Non-Hispanic White Alone (83.22%)
Hispanic White Alone (5.35%)
Non-Hispanic Black or African American Alone (4.91%)
Non-Hispanic Asian Alone (3.25%)
Non-Hispanic Two or more races (1.81%)
All Other Ethnicities (1.46%)
Population By Race in Middlesex , CT in 2019
Race
Population
Percentage
White Alone 143,955 88.57%
Black or African American Alone 9,184 5.65%
Asian Alone 5,393 3.32%
Two Or More Races 3,420 2.1%
American Indian and Alaska Native Alone 468 0.29%
Native Hawaiian And Pacific Islander Alone 118 0.07%
Population By Ethnicity in Middlesex , CT in 2019
Ethnicity
Population
Percentage
White Alone - Non Hispanic 135,265 83.22%
White Alone - Hispanic 8,690 5.35%
Black or African American Alone - Non Hispanic 7,987 4.91%
Asian Alone - Non Hispanic 5,274 3.25%
Two Or More Races - Non Hispanic 2,944 1.81%
Black or African American Alone - Hispanic 1,197 0.74%
Two Or More Races - Hispanic 476 0.29%
American Indian and Alaska Native Alone - Non Hispanic 269 0.17%
American Indian and Alaska Native Alone - Hispanic 199 0.12%
Asian Alone - Hispanic 119 0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 64 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 54 0.03%