Madison, Idaho Voting-age Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Madison, ID population of 42,141 people, 83.34% of them (35,120 people) identified their ethnicity as Non-Hispanic - White Alone, 4.90% of them (2,064 people) identified their ethnicity as Hispanic - Some Other Race Alone, and 2.34% of them (984 people) identified their ethnicity as Hispanic - White Alone.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. 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.

Madison, ID Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Non-Hispanic - Black Alone
Percentage of Madison, ID Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Non-Hispanic - Black Alone
Madison, ID Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 35120 83.34
Hispanic - Some Other Race Alone 2064 4.90
Hispanic - White Alone 984 2.34
Non-Hispanic - Two Or More Races 973 2.31
Hispanic - Two Or More Races 918 2.18
Non-Hispanic - Asian Alone 878 2.08
Non-Hispanic - Black or African American Alone 648 1.54
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 188 0.45
Non-Hispanic - American Indian and Alaska Native Alone 133 0.32
Non-Hispanic - Some Other Race Alone 123 0.29
Hispanic - American Indian and Alaska Native Alone 67 0.16
Hispanic - Black or African American Alone 17 0.04
Hispanic - Native Hawaiian And Pacific Islander Alone 16 0.04
Hispanic - Asian Alone 12 0.03