Illinois Two Or More Races Voting-age Population By County in Census 2020

Updated on August 25, 2023.

According to the data from the US 2020 decennial Census, as at April 2020, among all the Illinois voting-age population (18 years and over), there were 755,563 people who identified their race as Two Or More Races, which is 7.56% of the total voting-age population of Illinois.

Cook County had the highest number of Two Or More Races voting-age population (383,488), followed by DuPage County (51,995), and Lake County (48,775).

On the other hand, the three counties with low number of Two Or More Races voting-age population were: Edwards County (92), Scott County (99), and Brown County (104).

In terms of the percentage of each county's voting-age population, Kane County had the highest percentage, with 11.11% of its voting-age population identifying their race as Two Or More Races, followed by Kendall County (9.46%), and Boone County (9.32%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Illinois.

Hover over or click on the counties to see the number and percentage of each county's voting-age population that identified as Two Or More Races. The data can also be filtered, sorted, and explored further in a table below.

Illinois Two Or More Races Voting-age Population By County in Census 2020
Illinois Two Or More Races Voting-age Population By County in Census 2020
County
Two or More Races Voting-age Population
% of County Voting-age Population
Cook County 383,488 9.19
DuPage County 51,995 7.18
Lake County 48,775 8.97
Will County 44,287 8.42
Kane County 43,186 11.11
McHenry County 17,560 7.35
Winnebago County 15,679 7.13
Madison County 10,894 5.21
St. Clair County 10,293 5.22
Champaign County 9,588 5.76
Kendall County 8,890 9.46
Rock Island County 7,773 6.90
Peoria County 6,734 4.82
Sangamon County 6,619 4.32
McLean County 6,572 4.90
DeKalb County 5,493 7.05
LaSalle County 4,891 5.65
Kankakee County 4,694 5.66
Tazewell County 3,772 3.71
Boone County 3,739 9.32
Macon County 3,327 4.11
Whiteside County 2,726 6.25
Grundy County 2,437 6.19
Williamson County 2,317 4.41
Ogle County 2,313 5.79
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