Johnson, Iowa 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 Johnson, IA voting-age population of 122,084 people, 79.37% of them (96,898 people) identified their race as White Alone, 6.83% of them (8,339 people) identified their race as Black or African American Alone, and 5.89% of them (7,186 people) identified their race as Asian Alone.
The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Johnson, IA voting-age population for each race. You can also find the information in a table below.
You can see similar information for other Iowa counties and also for the state of Iowa.
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Data Source: US Census Bureau, 2020 Census.
Johnson, IA 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 | 8339 | 6.83 |
| White Alone | 96898 | 79.37 |
| American Indian and Alaska Native Alone | 258 | 0.21 |
| Asian Alone | 7186 | 5.89 |
| Native Hawaiian And Pacific Islander Alone | 43 | 0.04 |
| Some Other Race Alone | 3056 | 2.50 |
| Two Or More Races | 6304 | 5.16 |