Rock County, Wisconsin Voting-age Population By Race in Census 2020

Updated on August 26, 2023.

According to the data from the US 2020 decennial Census, in April 2020, among Rock County, WI voting-age population of 126,282 people, 84.51% of them (106,718 people) identified their race as White Alone, 5.16% of them (6,516 people) identified their race as Two Or More Races, and 4.55% of them (5,741 people) identified their race as Black or African American Alone.

The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Rock County, WI voting-age population for each race. 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.

Rock County, WI Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Black or African American Alone
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Rock County, WI Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Black or African American Alone
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Rock County, WI Voting-age Population By Race in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 5741 4.55
White Alone 106718 84.51
American Indian and Alaska Native Alone 648 0.51
Asian Alone 1634 1.29
Native Hawaiian And Pacific Islander Alone 60 0.05
Some Other Race Alone 4965 3.93
Two Or More Races 6516 5.16