RANKING · 2024 ACS · 26 SHOWN OF 26

Highest Argentine population share, Illinois counties

Illinois counties ranked by the share of all residents who are Argentine origin (2024 American Community Survey). A concentration measure: Argentine residents as a percentage of total population. This list covers the 26 counties in Illinois that qualify, ranked against each other statewide. The median across all 26 is 0.0%. Biggest climber in the top 100 since 2020: Champaign County, IL, up 10 places to #3.

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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

Highest Argentine population share by state

RANKPLACESTATEPOPARGENTINE SHAREVS 2010

01Brown County, ILIL6,4010.2%–

02Moultrie County, ILIL14,3710.2%–

03▲10Champaign County, ILIL209,9720.1%0.0 pts

04▲3Lake County, ILIL719,3390.1%+0.1 pts

05▼2DuPage County, ILIL934,2980.1%0.0 pts

06▲3Kane County, ILIL525,7570.1%0.0 pts

07▼3Cook County, ILIL5,194,6250.1%0.0 pts

08Richland County, ILIL15,2190.1%–

09Christian County, ILIL33,4430.1%–

10Whiteside County, ILIL54,1210.0%–

11Lee County, ILIL32,9140.0%–

12Peoria County, ILIL178,5530.0%0.0 pts

13Jackson County, ILIL52,5010.0%−0.1 pts

14▼8McHenry County, ILIL317,7510.0%0.0 pts

15Macon County, ILIL99,3000.0%–

16▼2Will County, ILIL712,2530.0%0.0 pts

17Stark County, ILIL5,3190.0%–

18Sangamon County, ILIL194,1700.0%–

19Kendall County, ILIL145,4700.0%–

20▼19Boone County, ILIL53,5680.0%–

21▼11McLean County, ILIL171,4190.0%0.0 pts

22LaSalle County, ILIL107,7730.0%0.0 pts

23Madison County, ILIL263,1100.0%–

24Tazewell County, ILIL130,0490.0%0.0 pts

25Franklin County, ILIL36,9160.0%–

26▼7Logan County, ILIL27,1820.0%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES