Illinois White Alone Population By County in 2020

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2020, the White Alone population in Illinois was 9,779,593 and represented 76.46% of the total Illinois population (12,790,357).

Among Illinois counties, Cook County had the highest number of people who identified as White Alone (3,439,586), followed by DuPage County (736,215), and Lake County (574,241). Pulaski County had the lowest (3,334).

In the map below, we show the number and percentage of each county's White Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and also by state for the United States.

You can also see similar information for other racial and ethnicity groups in Illinois.

See this for other years:
Illinois White Alone Population By County in 2020
Illinois White Alone Population By County in 2020
County
White Alone Population
% of County Population
Cook 3,439,586 65.35
DuPage 736,215 79.05
Lake 574,241 80.51
Will 549,302 78.83
Kane 446,099 86.42
McHenry 287,776 92.87
Madison 231,692 87.22
Winnebago 225,371 79.1
St. Clair 165,812 64.56
Sangamon 159,929 81.54
Champaign 147,334 71.64
McLean 142,659 83.45
Peoria 132,487 73.07
Tazewell 125,500 95.74
Rock Island 118,374 82
Kendall 112,642 85.11
LaSalle 103,282 94.4
Kankakee 86,960 81.07
DeKalb 86,241 86.01
Macon 79,896 77.01
Williamson 61,335 91.39
Vermilion 60,741 82.07
Adams 60,649 92.43
Whiteside 52,958 95.31
Grundy 50,055 95.31
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