Illinois Hispanic or Latino Population By County in 2021

Updated on August 2, 2024.

Based on the US Census Vintage data estimates, in 2021, there were 2,348,690 hispanics or latinos (of all racial backgrounds) in Illinois and they represented 18.51% of the total population of Illinois in 2021.

Cook County had the highest number of hispanics or latinos (1,374,317), followed by Lake County (174,086), and Kane County (170,693). On the other hand, Scott County had the lowest number of hispanics or latinos (57), followed by Gallatin County (60), and Hardin County (68).

When it comes to the ratio of hispanic to non-hispanic population, Kane County had the highest percentage (33.06%), followed by Cook County (26.53%), and Boone County (24.8%).

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

Hover over or click on the counties to see the number and percentage of each county's hispanic or latino population. The data can also be filtered, sorted, and explored further in a table below.

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Illinois Hispanic or Latino Population By County in 2021
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Illinois Hispanic or Latino Population By County in 2021
County
Population
% of County Population
Cook 1,374,317 26.53
Lake 174,086 24.43
Kane 170,693 33.06
DuPage 145,554 15.7
Will 134,677 19.26
McHenry 48,734 15.64
Winnebago 42,328 14.94
Kendall 29,282 21.69
Rock Island 20,038 14.02
Champaign 16,861 8.16
DeKalb 14,091 14.02
Boone 13,188 24.8
Kankakee 12,892 12.09
St. Clair 12,611 4.95
LaSalle 11,716 10.73
Madison 11,035 4.17
McLean 10,670 6.24
Peoria 10,263 5.71
Whiteside 7,256 13.12
Grundy 6,043 11.41
Ogle 5,908 11.48
Sangamon 5,428 2.78
Vermilion 3,982 5.44
Tazewell 3,313 2.54
Henry 3,275 6.7
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