Rock County, Wisconsin Population By Ethnicity in Census 2020
Updated on April 5, 2023.
According to the data from the US 2020 decennial Census, in April 2020, among Rock County, WI population of 163,687 people, 79.30% (129,796) identified their ethnicity as Non-Hispanic - White Alone, 4.92% (8,060) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 4.31% (7,050) identified their ethnicity as Non-Hispanic - Two Or More Races.
The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.
You can see similar information for other Wisconsin counties and also for the state of Wisconsin.
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Data Source: US Census Bureau, 2020 Census.
Rock County, WI Population By Ethnicity in Census 2020
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| Ethnicity | Population | % of County Population |
|---|---|---|
| Non-Hispanic - White Alone | 129796 | 79.30 |
| Non-Hispanic - Black or African American Alone | 8060 | 4.92 |
| Non-Hispanic - Two Or More Races | 7050 | 4.31 |
| Hispanic - Some Other Race Alone | 6934 | 4.24 |
| Hispanic - Two Or More Races | 4753 | 2.90 |
| Hispanic - White Alone | 3311 | 2.02 |
| Non-Hispanic - Asian Alone | 2022 | 1.24 |
| Non-Hispanic - Some Other Race Alone | 523 | 0.32 |
| Hispanic - American Indian and Alaska Native Alone | 492 | 0.30 |
| Non-Hispanic - American Indian and Alaska Native Alone | 386 | 0.24 |
| Hispanic - Black or African American Alone | 251 | 0.15 |
| Non-Hispanic - Native Hawaiian And Pacific Islander Alone | 50 | 0.03 |
| Hispanic - Asian Alone | 37 | 0.02 |
| Hispanic - Native Hawaiian And Pacific Islander Alone | 22 | 0.01 |