Waterbury City, Connecticut Census 2020 Voting-age Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 86.06K voting-age population of Waterbury City, CT residents comprised of 30.30K residents who identified as Hispanic or Latino (35.21%), and 55.75K residents who identified as Non-Hispanic (64.79%).

Race: The White Alone voting-age population was the largest racial group in Waterbury City, CT, with a voting-age population of 38.40K (44.62%). The Black or African American Alone voting-age population was the second largest racial group in Waterbury City, CT, with a voting-age population of 18.21K (21.16%). The Some Other Race Alone voting-age population was the third largest racial group in Waterbury City, CT, with a voting-age population of 15.90K (18.48%). The smallest racial group in Waterbury City, CT was Native Hawaiian And Pacific Islander Alone with a voting-age population of 81 (0.09%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Waterbury City, CT, with a voting-age population of 32.61K (37.89%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Waterbury City, CT, with a voting-age population of 16.80K (19.52%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Waterbury City, CT, with a voting-age population of 14.63K (17.01%). The smallest ethnic group in Waterbury City, CT was Non-Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 27 (0.03%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Waterbury City, Connecticut from the 2020 decennial census.

You can see similar information for other cities and places in Connecticut and also for the state of Connecticut.

Waterbury City, CT Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Waterbury City, CT Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Waterbury City, CT Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Waterbury City, CT Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of City or Place Voting-age Population
Black or African American Alone 18206 21.16
White Alone 38399 44.62
American Indian and Alaska Native Alone 650 0.76
Asian Alone 1819 2.11
Native Hawaiian And Pacific Islander Alone 81 0.09
Some Other Race Alone 15902 18.48
Two Or More Races 10999 12.78
Waterbury City, CT Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of City or Place Voting-age Population
Non-Hispanic - White Alone 32606 37.89
Non-Hispanic - Black Alone 16799 19.52
Hispanic - Some Other Race Alone 14634 17.01
Hispanic - Two or More Races 7966 9.26
Hispanic - White Alone 5793 6.73
Non-Hispanic - Two or More Races 3033 3.52
Non-Hispanic - Asian Alone 1771 2.06
Hispanic - Black Alone 1407 1.64
Non-Hispanic - Some Other Race Alone 1268 1.47
Hispanic - American Indian & Alaska Native 402 0.47
Non-Hispanic - American Indian & Alaska Native 248 0.29
Hispanic - Native Hawaiian & Pac. Islander 54 0.06
Hispanic - Asian Alone 48 0.06
Non-Hispanic - Native Hawaiian & Pac. Islander 27 0.03