Ranking of Illinois Counties By Hispanic or Latino Population in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, among all Illinois counties, Cook County had the highest number of people who identified their ethnicity as Hispanic or Latino (1.37M), followed by Lake County (174.09K), and Kane County (170.69K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Illinois Counties By Hispanic or Latino Population in 2021
Cook
Lake
Kane
DuPage
Will
McHenry
Winnebago
Kendall
Rock Island
Champaign
Ranking of Illinois Counties By Hispanic or Latino Population in 2021
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Rank County Hispanic or Latino Population
1 Cook County 1374317
2 Lake County 174086
3 Kane County 170693
4 DuPage County 145554
5 Will County 134677
6 McHenry County 48734
7 Winnebago County 42328
8 Kendall County 29282
9 Rock Island County 20038
10 Champaign County 16861
11 DeKalb County 14091
12 Boone County 13188
13 Kankakee County 12892
14 St. Clair County 12611
15 LaSalle County 11716
16 Madison County 11035
17 McLean County 10670
18 Peoria County 10263
19 Whiteside County 7256
20 Grundy County 6043
21 Ogle County 5908
22 Sangamon County 5428
23 Vermilion County 3982
24 Tazewell County 3313
25 Henry County 3275
26 Bureau County 3223
27 Knox County 3123
28 Macon County 2810
29 Cass County 2809
30 Jackson County 2805
31 Lee County 2449
32 Stephenson County 2343
33 Iroquois County 2120
34 Livingston County 1953
35 Williamson County 1876
36 Warren County 1811
37 Coles County 1742
38 Douglas County 1581
39 Clinton County 1413
40 Adams County 1317
41 Randolph County 1103
42 Christian County 1093
43 Jefferson County 1005
44 Logan County 936
45 McDonough County 915
46 Morgan County 907
47 Effingham County 899
48 Jo Daviess County 877
49 Union County 871
50 Fulton County 800
51 Marion County 799
52 Carroll County 787
53 Woodford County 755
54 Perry County 746
55 Franklin County 714
56 Monroe County 652
57 Bond County 634
58 Fayette County 629
59 Ford County 618
60 Montgomery County 598
61 Johnson County 588
62 Lawrence County 574
63 Macoupin County 568
64 De Witt County 523
65 Mercer County 515
66 Crawford County 481
67 Saline County 471
68 Massac County 384
69 Marshall County 368
70 Putnam County 364
71 Brown County 335
72 Hancock County 331
73 Jersey County 318
74 Richland County 306
75 Pike County 292
76 Clark County 284
77 Piatt County 267
78 Wayne County 238
79 Clay County 234
79 Shelby County 234
80 Moultrie County 232
81 Washington County 224
82 Edgar County 220
83 Wabash County 210
84 Mason County 203
85 White County 196
86 Pulaski County 187
87 Menard County 184
88 Schuyler County 162
89 Stark County 137
90 Cumberland County 134
91 Greene County 125
92 Hamilton County 122
93 Henderson County 118
94 Alexander County 103
95 Jasper County 95
96 Calhoun County 79
97 Edwards County 74
98 Pope County 71
99 Hardin County 68
100 Gallatin County 60
101 Scott County 57