Kauai, Hawaii Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 57.54K voting-age population of Kauai, HI residents comprised of 4.86K residents who identified as Hispanic or Latino (8.44%), and 52.69K residents who identified as Non-Hispanic (91.56%).

Race: The White Alone voting-age population was the largest racial group in Kauai, HI, with a voting-age population of 20.21K (35.11%). The Asian Alone voting-age population was the second largest racial group in Kauai, HI, with a voting-age population of 18.04K (31.35%). The Two Or More Races voting-age population was the third largest racial group in Kauai, HI, with a voting-age population of 12.71K (22.09%). The smallest racial group in Kauai, HI was American Indian and Alaska Native Alone with a voting-age population of 238 (0.41%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Kauai, HI, with a voting-age population of 19.43K (33.77%). The Non-Hispanic - Asian Alone voting-age population was the second largest ethnic group in Kauai, HI, with a voting-age population of 17.59K (30.56%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Kauai, HI, with a voting-age population of 10.15K (17.64%). The smallest ethnic group in Kauai, HI was Hispanic - Black Alone with a voting-age population of 22 (0.04%).

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

You can see similar information for other Hawaii counties and also for the state of Hawaii.

Kauai, HI Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Kauai, HI Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Kauai, HI Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Kauai, HI Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 322 0.56
White Alone 20206 35.11
American Indian and Alaska Native Alone 238 0.41
Asian Alone 18038 31.35
Native Hawaiian And Pacific Islander Alone 5106 8.87
Some Other Race Alone 920 1.60
Two Or More Races 12714 22.09
Kauai, HI Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 19432 33.77
Non-Hispanic - Asian Alone 17585 30.56
Non-Hispanic - Two or More Races 10149 17.64
Non-Hispanic - Native Hawaiian & Pac. Islander 4857 8.44
Hispanic - Two or More Races 2565 4.46
Hispanic - White Alone 774 1.35
Hispanic - Some Other Race Alone 683 1.19
Hispanic - Asian Alone 453 0.79
Non-Hispanic - Black Alone 300 0.52
Hispanic - Native Hawaiian & Pac. Islander 249 0.43
Non-Hispanic - Some Other Race Alone 237 0.41
Non-Hispanic - American Indian & Alaska Native 126 0.22
Hispanic - American Indian & Alaska Native 112 0.20
Hispanic - Black Alone 22 0.04