RANKING · 2020 CENSUS · 42 SHOWN OF 42

Highest Salvadoran population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Salvadoran origin (2023 American Community Survey). A concentration measure: Salvadoran residents as a percentage of total population. This list covers the 42 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

RANKPLACESTATEPOPSALVADORAN SHAREVS 2000

01Cass County, ILIL12,4630.8%–

02Kane County, ILIL525,7570.5%–

03Jackson County, ILIL52,5010.4%–

04Lake County, ILIL719,3390.4%–

05Iroquois County, ILIL26,1500.3%–

06Cook County, ILIL5,194,6250.2%–

07McHenry County, ILIL317,7510.2%–

08Livingston County, ILIL35,0570.2%–

09Johnson County, ILIL13,3630.1%–

10Will County, ILIL712,2530.1%–

11Warren County, ILIL16,2220.1%–

12Kendall County, ILIL145,4700.1%–

13Woodford County, ILIL38,1110.1%–

14LaSalle County, ILIL107,7730.1%–

15McDonough County, ILIL25,9160.1%–

16St. Clair County, ILIL250,7080.1%–

17Peoria County, ILIL178,5530.1%–

18DuPage County, ILIL934,2980.1%–

19Jefferson County, ILIL36,1470.1%–

20Winnebago County, ILIL283,6740.1%–

21Jersey County, ILIL21,1600.0%–

22Macon County, ILIL99,3000.0%–

23Effingham County, ILIL34,5190.0%–

24Champaign County, ILIL209,9720.0%–

25Greene County, ILIL11,3130.0%–

26Boone County, ILIL53,5680.0%–

27Logan County, ILIL27,1820.0%–

28Randolph County, ILIL29,9210.0%–

29Ogle County, ILIL51,3990.0%–

30Rock Island County, ILIL141,8690.0%–

31Christian County, ILIL33,4430.0%–

32McLean County, ILIL171,4190.0%–

33DeKalb County, ILIL101,8350.0%–

34Piatt County, ILIL16,7910.0%–

35Lee County, ILIL32,9140.0%–

36Macoupin County, ILIL43,7480.0%–

37Montgomery County, ILIL28,0760.0%–

38Kankakee County, ILIL105,5250.0%–

39Coles County, ILIL46,6070.0%–

40Adams County, ILIL64,2670.0%–

41Sangamon County, ILIL194,1700.0%–

42Madison County, ILIL263,1100.0%–

SHOWING 1–42 OF 42

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