Jefferson, Idaho Voting-age Population By Race in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Jefferson, ID voting-age population of 20,372 people, 88.63% of them (18,056 people) identified their race as White Alone, 5.52% of them (1,124 people) identified their race as Some Other Race Alone, and 4.40% of them (897 people) identified their race as Two Or More Races.

The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Jefferson, ID voting-age population for each race. You can also find the information in a table below.

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

Jefferson, ID Voting-age Population By Race in Census 2020
White Alone
Some Other Race Alone
Two Or More Races
American Indian and Alaska Native Alone
Asian Alone
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Jefferson, ID Voting-age Population By Race in Census 2020
White Alone
Some Other Race Alone
Two Or More Races
American Indian and Alaska Native Alone
Asian Alone
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Jefferson, ID Voting-age Population By Race in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 43 0.21
White Alone 18056 88.63
American Indian and Alaska Native Alone 128 0.63
Asian Alone 98 0.48
Native Hawaiian And Pacific Islander Alone 26 0.13
Some Other Race Alone 1124 5.52
Two Or More Races 897 4.40