RANKING · 2020 CENSUS · 20 SHOWN OF 20

Highest Argentine population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Argentine origin (2023 American Community Survey). A concentration measure: Argentine residents as a percentage of total population. This list covers the 20 counties in Illinois that qualify, ranked against each other statewide.

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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 2000

01Boone County, ILIL53,5680.2%–

02Moultrie County, ILIL14,3710.1%–

03DuPage County, ILIL934,2980.1%–

04Cook County, ILIL5,194,6250.1%–

05Jo Daviess County, ILIL21,5940.1%–

06McHenry County, ILIL317,7510.1%–

07Lake County, ILIL719,3390.1%–

08Winnebago County, ILIL283,6740.0%–

09Kane County, ILIL525,7570.0%–

10McLean County, ILIL171,4190.0%–

11McDonough County, ILIL25,9160.0%–

12Peoria County, ILIL178,5530.0%–

13Champaign County, ILIL209,9720.0%–

14Will County, ILIL712,2530.0%–

15Jefferson County, ILIL36,1470.0%–

16St. Clair County, ILIL250,7080.0%–

17Stephenson County, ILIL43,2200.0%–

18DeKalb County, ILIL101,8350.0%–

19Logan County, ILIL27,1820.0%–

20Rock Island County, ILIL141,8690.0%–

SHOWING 1–20 OF 20

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