Ada County, Idaho Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 378.48K voting-age population of Ada County, ID residents comprised of 29.84K residents who identified as Hispanic or Latino (7.88%), and 348.64K residents who identified as Non-Hispanic (92.12%).

Race: The White Alone voting-age population was the largest racial group in Ada County, ID, with a voting-age population of 320.63K (84.72%). The Two Or More Races voting-age population was the second largest racial group in Ada County, ID, with a voting-age population of 26.29K (6.95%). The Some Other Race Alone voting-age population was the third largest racial group in Ada County, ID, with a voting-age population of 12.04K (3.18%). The smallest racial group in Ada County, ID was Native Hawaiian And Pacific Islander Alone with a voting-age population of 944 (0.25%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Ada County, ID, with a voting-age population of 313.04K (82.71%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Ada County, ID, with a voting-age population of 15.42K (4.07%). The Hispanic - Two or More Races voting-age population was the third largest ethnic group in Ada County, ID, with a voting-age population of 10.87K (2.87%). The smallest ethnic group in Ada County, ID was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 64 (0.02%).

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

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

Ada County, ID Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Ada County, ID Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Ada County, ID Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Ada County, ID 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 5058 1.34
White Alone 320628 84.72
American Indian and Alaska Native Alone 2605 0.69
Asian Alone 10913 2.88
Native Hawaiian And Pacific Islander Alone 944 0.25
Some Other Race Alone 12040 3.18
Two Or More Races 26291 6.95
Ada County, ID 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 313039 82.71
Non-Hispanic - Two or More Races 15418 4.07
Hispanic - Two or More Races 10873 2.87
Non-Hispanic - Asian Alone 10729 2.84
Hispanic - Some Other Race Alone 10199 2.70
Hispanic - White Alone 7589 2.01
Non-Hispanic - Black Alone 4891 1.29
Non-Hispanic - Some Other Race Alone 1841 0.49
Non-Hispanic - American Indian & Alaska Native 1840 0.49
Non-Hispanic - Native Hawaiian & Pac. Islander 880 0.23
Hispanic - American Indian & Alaska Native 765 0.20
Hispanic - Asian Alone 184 0.05
Hispanic - Black Alone 167 0.04
Hispanic - Native Hawaiian & Pac. Islander 64 0.02