Population By Race and Ethnicity in Rock County, WI in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 162,278 population of Rock County, Wisconsin comprised of 14,309 people who identified as Hispanic (8.82%), and 147,969 people who identified as Non-Hispanic (91.18%).

Race: The White Alone population was the largest racial group in Rock County, Wisconsin with a population of 146,425 (90.23%); Black or African American Alone population was the second largest racial group with a population of 8,541 (5.26%); and Two Or More Races was the third largest racial group with a population of 4,232 (2.61%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock County, Wisconsin in 2017, with a population of 133,931 (82.53%); the second largest ethnic group was White Alone - Hispanic with a population of 12,494 (7.7%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 7,972 (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.

See this for other years:
Hispanics and Non Hispanics in Rock County, WI in 2017
Total Population:
Race in Rock County, WI in 2017
Total Population:
Ethnicity in Rock County, WI in 2017
Total Population:
Population By Race in Rock , WI in 2017
Race Population Percentage
Black or African American Alone 8,541 5.26%
White Alone 146,425 90.23%
American Indian and Alaska Native Alone 833 0.51%
Asian Alone 2,147 1.32%
Native Hawaiian And Pacific Islander Alone 100 0.06%
Two Or More Races 4,232 2.61%
Population By Ethnicity in Rock , WI in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 569 0.35%
White Alone - Hispanic 12,494 7.7%
American Indian and Alaska Native Alone - Hispanic 452 0.28%
Asian Alone - Hispanic 89 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 43 0.03%
Two Or More Races - Hispanic 662 0.41%
Black or African American Alone - Non Hispanic 7,972 4.91%
White Alone - Non Hispanic 133,931 82.53%
American Indian and Alaska Native Alone - Non Hispanic 381 0.24%
Asian Alone - Non Hispanic 2,058 1.27%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 57 0.04%
Two Or More Races - Non Hispanic 3,570 2.2%