Rock County, Wisconsin Census 2020 Population By Race and Ethnicity
According to the data from the US 2020 decennial Census, in April 2020, the 163.69K population of Rock County, WI residents comprised of 15.80K residents who identified as Hispanic or Latino (9.65%), and 147.89K residents who identified as Non-Hispanic (90.35%).
Race: The White Alone population was the largest racial group in Rock County, WI, with a population of 133.11K (81.32%). The Two Or More Races population was the second largest racial group in Rock County, WI, with a population of 11.80K (7.21%). The Black or African American Alone population was the third largest racial group in Rock County, WI, with a population of 8.31K (5.08%). The smallest racial group in Rock County, WI was Native Hawaiian And Pacific Islander Alone with a population of 72 (0.04%).
Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Rock County, WI, with a population of 129.80K (79.30%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Rock County, WI, with a population of 8.06K (4.92%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Rock County, WI, with a population of 7.05K (4.31%). The smallest ethnic group in Rock County, WI was Hispanic - Native Hawaiian & Pac. Islander with a population of 22 (0.01%).
The charts and tables below shows the population and percentage of each racial group and ethnicity group in Rock County, Wisconsin from the 2020 decennial census.
You can see similar information for other Wisconsin counties and also for the state of Wisconsin.
| Race | Population | % of County Population |
|---|---|---|
| Black or African American Alone | 8311 | 5.08 |
| White Alone | 133107 | 81.32 |
| American Indian and Alaska Native Alone | 878 | 0.54 |
| Asian Alone | 2059 | 1.26 |
| Native Hawaiian And Pacific Islander Alone | 72 | 0.04 |
| Some Other Race Alone | 7457 | 4.56 |
| Two Or More Races | 11803 | 7.21 |
| Ethnicity | Population | % of County Population |
|---|---|---|
| Non-Hispanic - White Alone | 129796 | 79.30 |
| Non-Hispanic - Black 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 & Alaska Native | 492 | 0.30 |
| Non-Hispanic - American Indian & Alaska Native | 386 | 0.24 |
| Hispanic - Black Alone | 251 | 0.15 |
| Non-Hispanic - Native Hawaiian & Pac. Islander | 50 | 0.03 |
| Hispanic - Asian Alone | 37 | 0.02 |
| Hispanic - Native Hawaiian & Pac. Islander | 22 | 0.01 |