Connecticut Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Connecticut population was 3,605,330. The White Alone racial group had the highest population (2.60M) and constituted 72.00% of the total Connecticut population. The Black or African American Alone racial group had the second highest population (389.29K) and constituted 10.80% of the population. The third highest racial group was Two Or More Races (227.27K), constituting 6.30% of the population. The racial group with the lowest population was Native Hawaiian And Pacific Islander Alone (1.26K).

The population of the Non-Hispanic White Alone ethnicity group was 2.34M and constituted 64.93% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (610.07K) and constituted 16.92% of the population.

The charts and tables below shows the population and percentages by race and ethnicity for Connecticut.

You can see similar information for other states and for the United States.

Connecticut Population By Race in 2021
White Alone
Black or African American Alone
Two Or More Races
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Connecticut Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
Connecticut Population By Race in 2021
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Race Population % of Total Pop.
White Alone 2595884 72.00
Black or African American Alone 389290 10.80
Two Or More Races 227267 6.30
Some Other Race Alone 215605 5.98
Asian Alone 167308 4.64
American Indian and Alaska Native Alone 8714 0.24
Native Hawaiian And Pacific Islander Alone 1262 0.04
Connecticut Population By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 2340848 64.93
Hispanic or Latino of All Races 610065 16.92