Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020

Updated on August 26, 2023.

According to the data from the United States 2020 decennial Census, as at April 2020, among all Illinois counties, Cook County had the highest voting-age population who identified their race as White Alone (1.96M), followed by DuPage County (498.91K), and Will County (349.07K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties based on White Alone voting-age population.

You can see similar ranking information for other states. You can also see similar rankings for other racial groups in Illinois.

Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020
Cook
1.96M
DuPage
498.91K
Will
349.07K
Lake
348.91K
Kane
246.62K
McHenry
196.95K
Madison
174.49K
Winnebago
157.08K
Sangamon
123.65K
St. Clair
123.61K
Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020
Rank
County
White Alone Voting-age Population
1 Cook County 1,958,920
2 DuPage County 498,909
3 Will County 349,074
4 Lake County 348,907
5 Kane County 246,622
6 McHenry County 196,954
7 Madison County 174,489
8 Winnebago County 157,081
9 Sangamon County 123,653
10 St. Clair County 123,608
11 Champaign County 108,165
12 McLean County 106,946
13 Peoria County 100,261
14 Tazewell County 94,803
15 Rock Island County 84,882
16 LaSalle County 75,667
17 Kendall County 66,863
18 Macon County 62,100
19 Kankakee County 61,498
20 DeKalb County 59,817
21 Williamson County 46,854
22 Adams County 46,643
23 Vermilion County 46,063
24 Whiteside County 38,266
25 Ogle County 35,269
Items per page:
1 – 25 of 102