Connecticut Population Aged 25 Years and Above By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on August 20, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Connecticut population aged 25 years and above was 2,515,137.

Race: The White Alone racial group had the highest population aged 25 years and above (1.90M) and constituted 75.33% of the Connecticut population aged 25yrs+. The Black or African American Alone racial group had the second highest population (253.62K) and constituted 10.08% of the population. The third highest racial group was Some Other Race Alone (133.28K), constituting 5.30% of the population.

Ethnicity: The population of the Non-Hispanic White Alone ethnicity group was 1.75M and constituted 69.45% of the Connecticut population aged 25yrs+. The population of the Hispanic or Latino of All Races ethnicity group was 351.54K and constituted 13.98% of the population.

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

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

Connecticut Population Aged 25 Years and Above By Race in 2021
White Alone
Black Alone
Some Other Race Alone
Asian Alone
Two or More Races
American Indian & Alaska Native Alone
Native Hawaiian & Pac. Islander Alone
Connecticut Population Aged 25 Years and Above By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
All Others
Connecticut Population Aged 25 Years and Above By Race in 2021
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Race Population % of Total Pop.
White Alone 1894714 75.33
Black or African American Alone 253617 10.08
Some Other Race Alone 133275 5.30
Asian Alone 114298 4.54
Two Or More Races 112655 4.48
American Indian and Alaska Native Alone 5601 0.22
Native Hawaiian And Pacific Islander Alone 977 0.04
Connecticut Population Aged 25 Years and Above By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 1746851 69.45
Hispanic or Latino of All Races 351539 13.98
All Other Ethnicities 416747 16.57