Population By Race and Ethnicity in Rock, WI in 2011

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2011, the 159,899 population of Rock County, Wisconsin comprised of 12,317 people who identified as Hispanic (7.7%), and 147,582 people who identified as Non-Hispanic (92.3%).

Race: The White Alone population was the largest racial group in Rock County, Wisconsin with a population of 145,870 (91.23%); Black or African American Alone population was the second largest racial group with a population of 8,133 (5.09%); and Two Or More Races was the third largest racial group with a population of 3,252 (2.03%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock County, Wisconsin in 2011, with a population of 134,967 (84.41%); the second largest ethnic group was White Alone - Hispanic with a population of 10,903 (6.82%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 7,699 (4.82%).

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, WI in 2011
Total Population:
Race in Rock, WI in 2011
Total Population:
Ethnicity in Rock, WI in 2011
Total Population:
Population By Race in Rock , WI in 2011
Race Population Percentage
Black or African American Alone 8,133 5.09%
White Alone 145,870 91.23%
American Indian and Alaska Native Alone 801 0.5%
Asian Alone 1,756 1.1%
Native Hawaiian And Pacific Islander Alone 87 0.05%
Two Or More Races 3,252 2.03%
Population By Ethnicity in Rock , WI in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 434 0.27%
White Alone - Hispanic 10,903 6.82%
American Indian and Alaska Native Alone - Hispanic 413 0.26%
Asian Alone - Hispanic 59 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 47 0.03%
Two Or More Races - Hispanic 461 0.29%
Black or African American Alone - Non Hispanic 7,699 4.82%
White Alone - Non Hispanic 134,967 84.41%
American Indian and Alaska Native Alone - Non Hispanic 388 0.24%
Asian Alone - Non Hispanic 1,697 1.06%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 40 0.03%
Two Or More Races - Non Hispanic 2,791 1.75%