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

Updated on February 22, 2026.

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
Items per page:
0 of 0
County Two or More Races Voting-age Population % of County Voting-age Population
Adams County 1774 3.48
Alexander County 181 4.27
Bond County 414 3.03
Boone County 3739 9.32
Brown County 104 2.02
Bureau County 1269 4.84
Calhoun County 111 3.14
Carroll County 376 2.92
Cass County 580 5.90
Champaign County 9588 5.76
Christian County 739 2.72
Clark County 282 2.35
Clay County 337 3.29
Clinton County 1044 3.62
Coles County 1399 3.71
Cook County 383488 9.19
Crawford County 402 2.70
Cumberland County 234 2.90
DeKalb County 5493 7.05
De Witt County 365 3.00
Douglas County 551 3.71
DuPage County 51995 7.18
Edgar County 375 2.80
Edwards County 92 1.91
Effingham County 751 2.83
Fayette County 381 2.24
Ford County 413 3.93
Franklin County 1117 3.76
Fulton County 691 2.56
Gallatin County 117 2.98
Greene County 258 2.77
Grundy County 2437 6.19
Hamilton County 199 3.22
Hancock County 377 2.72
Hardin County 115 3.85
Henderson County 144 2.78
Henry County 1556 4.09
Iroquois County 1039 4.92
Jackson County 2249 5.26
Jasper County 153 2.12
Jefferson County 1155 4.00
Jersey County 659 3.85
Jo Daviess County 477 2.68
Johnson County 302 2.75
Kane County 43186 11.11
Kankakee County 4694 5.66
Kendall County 8890 9.46
Knox County 1903 4.75
Lake County 48775 8.97
LaSalle County 4891 5.65
Lawrence County 334 2.71
Lee County 1185 4.32
Livingston County 946 3.38
Logan County 666 2.96
McDonough County 831 3.73
McHenry County 17560 7.35
McLean County 6572 4.90
Macon County 3327 4.11
Macoupin County 1394 3.92
Madison County 10894 5.21
Marion County 1231 4.22
Marshall County 326 3.50
Mason County 343 3.29
Massac County 470 4.29
Menard County 323 3.40
Mercer County 445 3.62
Monroe County 1024 3.79
Montgomery County 681 3.02
Morgan County 872 3.30
Moultrie County 299 2.73
Ogle County 2313 5.79
Peoria County 6734 4.82
Perry County 476 2.82
Piatt County 443 3.42
Pike County 342 3.00
Pope County 108 3.52
Pulaski County 153 3.71
Putnam County 172 3.78
Randolph County 793 3.28
Richland County 353 2.88
Rock Island County 7773 6.90
St. Clair County 10293 5.22
Saline County 743 4.02
Sangamon County 6619 4.32
Schuyler County 202 3.59
Scott County 99 2.56
Shelby County 336 2.04
Stark County 119 2.82
Stephenson County 1517 4.32
Tazewell County 3772 3.71
Union County 690 5.03
Vermilion County 2189 3.83
Wabash County 253 2.85
Warren County 620 4.68
Washington County 288 2.66
Wayne County 292 2.35
White County 373 3.39
Whiteside County 2726 6.25
Will County 44287 8.42
Williamson County 2317 4.41
Winnebago County 15679 7.13
Woodford County 905 3.12