Population By Race and Ethnicity in Rock County, WI in 2020
Based on the US Census Vintage data estimates, in 2020, the 163,758 population of Rock County, Wisconsin comprised of 15,834 people who identified as Hispanic (9.67%), and 147,924 people who identified as Non-Hispanic (90.33%).
Race: The White Alone population was the largest racial group in Rock County, Wisconsin with a population of 147,335 (89.97%); Black or African American Alone population was the second largest racial group with a population of 8,670 (5.29%); and Two Or More Races was the third largest racial group with a population of 4,520 (2.76%).
Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock County, Wisconsin in 2020, with a population of 133,534 (81.54%); the second largest ethnic group was White Alone - Hispanic with a population of 13,801 (8.43%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 8,035 (4.91%).
The charts and tables below shows the population and percentage of each racial and ethnicity group in Rock, Wisconsin.
You can find similar information for other Wisconsin counties, and for Wisconsin.
| Race | Population | Percentage |
|---|---|---|
| Black or African American Alone | 8,670 | 5.29% |
| White Alone | 147,335 | 89.97% |
| American Indian and Alaska Native Alone | 940 | 0.57% |
| Asian Alone | 2,192 | 1.34% |
| Native Hawaiian And Pacific Islander Alone | 101 | 0.06% |
| Two Or More Races | 4,520 | 2.76% |
| Ethnicity | Population | Percentage |
|---|---|---|
| Black or African American Alone - Hispanic | 635 | 0.39% |
| White Alone - Hispanic | 13,801 | 8.43% |
| American Indian and Alaska Native Alone - Hispanic | 522 | 0.32% |
| Asian Alone - Hispanic | 105 | 0.06% |
| Native Hawaiian And Pacific Islander Alone - Hispanic | 40 | 0.02% |
| Two Or More Races - Hispanic | 731 | 0.45% |
| Black or African American Alone - Non Hispanic | 8,035 | 4.91% |
| White Alone - Non Hispanic | 133,534 | 81.54% |
| American Indian and Alaska Native Alone - Non Hispanic | 418 | 0.26% |
| Asian Alone - Non Hispanic | 2,087 | 1.27% |
| Native Hawaiian And Pacific Islander Alone - Non Hispanic | 61 | 0.04% |
| Two Or More Races - Non Hispanic | 3,789 | 2.31% |