RANKING · 2010 CENSUS · 34 SHOWN OF 34

Highest Salvadoran population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Salvadoran origin (2010 American Community Survey). A concentration measure: Salvadoran residents as a percentage of total population. This list covers the 34 counties in Illinois that qualify, ranked against each other statewide.

Salvadoran Americans: full group profile →

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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

RANKPLACESTATEPOPSALVADORAN SHAREVS –

01Cass County, ILIL12,4630.6%–

02Lake County, ILIL719,3390.3%–

03Putnam County, ILIL5,6190.2%–

04Cook County, ILIL5,194,6250.2%–

05Kane County, ILIL525,7570.1%–

06Henry County, ILIL48,0950.1%–

07Whiteside County, ILIL54,1210.1%–

08St. Clair County, ILIL250,7080.1%–

09Stephenson County, ILIL43,2200.1%–

10Winnebago County, ILIL283,6740.1%–

11McLean County, ILIL171,4190.1%–

12Johnson County, ILIL13,3630.1%–

13Pike County, ILIL14,2310.1%–

14Lawrence County, ILIL13,7900.1%–

15DuPage County, ILIL934,2980.1%–

16Boone County, ILIL53,5680.1%–

17Shelby County, ILIL20,5760.1%–

18Livingston County, ILIL35,0570.0%–

19Knox County, ILIL47,7670.0%–

20Rock Island County, ILIL141,8690.0%–

21Mercer County, ILIL15,2290.0%–

22Randolph County, ILIL29,9210.0%–

23LaSalle County, ILIL107,7730.0%–

24Marion County, ILIL36,3820.0%–

25Jefferson County, ILIL36,1470.0%–

26McHenry County, ILIL317,7510.0%–

27DeKalb County, ILIL101,8350.0%–

28Will County, ILIL712,2530.0%–

29Sangamon County, ILIL194,1700.0%–

30Peoria County, ILIL178,5530.0%–

31Kendall County, ILIL145,4700.0%–

32Iroquois County, ILIL26,1500.0%–

33Champaign County, ILIL209,9720.0%–

34Madison County, ILIL263,1100.0%–

SHOWING 1–34 OF 34

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS