RANKING · 2010 CENSUS · 30 SHOWN OF 30

Largest Peruvian population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Peruvian origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 30 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPERUVIAN POPULATIONVS 2000

01Cook County, ILIL5,194,6256,899–

02Lake County, ILIL719,339649–

03DuPage County, ILIL934,298553–

04Kane County, ILIL525,757419–

05Will County, ILIL712,253401–

06McHenry County, ILIL317,751271–

07Boone County, ILIL53,568240–

08Winnebago County, ILIL283,674163–

09DeKalb County, ILIL101,835162–

10Kendall County, ILIL145,470151–

11Vermilion County, ILIL71,259108–

12LaSalle County, ILIL107,773104–

13Champaign County, ILIL209,972101–

14Jackson County, ILIL52,50169–

15Macon County, ILIL99,30061–

16Williamson County, ILIL67,22559–

17Sangamon County, ILIL194,17055–

18Adams County, ILIL64,26746–

19Bureau County, ILIL32,51029–

20St. Clair County, ILIL250,70820–

21Fulton County, ILIL32,90114–

22Lee County, ILIL32,91413–

23Scott County, ILIL4,86612–

24Rock Island County, ILIL141,86910–

25Christian County, ILIL33,4439–

26Whiteside County, ILIL54,1219–

27Monroe County, ILIL34,8408–

28Madison County, ILIL263,1107–

29Randolph County, ILIL29,9216–

30Saline County, ILIL22,7722–

SHOWING 1–30 OF 30

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES