Illinois White Alone Population By County in 2020

Updated on June 16, 2025.

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
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County White Alone Population % of County Population
Adams 60649 92.43
Alexander 3368 65.16
Bond 15033 90.1
Boone 49289 92.4
Brown 4961 79.67
Bureau 31820 95.87
Calhoun 4322 98.07
Carroll 14635 93.38
Cass 11837 91.12
Champaign 147334 71.64
Christian 32326 95.19
Clark 15043 97.5
Clay 12883 97.06
Clinton 34791 94.28
Coles 43301 92.6
Cook 3439586 65.35
Crawford 17337 92.96
Cumberland 10132 97.12
DeKalb 86241 86.01
De Witt 14991 96.96
Douglas 19058 96.43
DuPage 736215 79.05
Edgar 16400 97.7
Edwards 6028 97.1
Effingham 33794 97.38
Fayette 19601 91.21
Ford 12998 96.19
Franklin 36590 97.06
Fulton 31601 94.37
Gallatin 4767 96.6
Greene 11687 97.91
Grundy 50055 95.31
Hamilton 7744 96.81
Hancock 17038 97.12
Hardin 3492 95.88
Henderson 6148 97.05
Henry 46901 95.39
Iroquois 25987 96.31
Jackson 40960 77.44
Jasper 9059 98.03
Jefferson 32439 87.69
Jersey 20762 96.59
Jo Daviess 21439 97.2
Johnson 11398 85.58
Kane 446099 86.42
Kankakee 86960 81.07
Kendall 112642 85.11
Knox 43455 87.28
Lake 574241 80.51
LaSalle 103282 94.4
Lawrence 13461 88.17
Lee 31288 91.86
Livingston 33510 93.62
Logan 25056 89.77
McDonough 24358 89.88
McHenry 287776 92.87
McLean 142659 83.45
Macon 79896 77.01
Macoupin 43430 96.82
Madison 231692 87.22
Marion 34892 92.67
Marshall 11345 96.83
Mason 12676 97.08
Massac 12693 89.81
Menard 11851 96.59
Mercer 15224 97.39
Monroe 34079 97.5
Montgomery 26743 94.83
Morgan 29732 90.52
Moultrie 14137 97.62
Ogle 49663 96.08
Peoria 132487 73.07
Perry 18577 88.95
Piatt 16208 97.16
Pike 14275 97.51
Pope 3545 94.43
Pulaski 3334 64.61
Putnam 5466 97.09
Randolph 26984 89.68
Richland 15247 96.56
Rock Island 118374 82
St. Clair 165812 64.56
Saline 22184 93.64
Sangamon 159929 81.54
Schuyler 6428 93.59
Scott 4784 96.82
Shelby 20453 97.77
Stark 5188 96.4
Stephenson 37852 85.06
Tazewell 125500 95.74
Union 16326 95.01
Vermilion 60741 82.07
Wabash 10829 95.68
Warren 15472 91.98
Washington 13334 97.17
Wayne 15718 97.47
White 13445 97.37
Whiteside 52958 95.31
Will 549302 78.83
Williamson 61335 91.39
Winnebago 225371 79.1
Woodford 37255 96.99