RANKING · 2020 CENSUS · 55 SHOWN OF 55

Highest Spaniard population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Spaniard origin (2023 American Community Survey). A concentration measure: Spaniard residents as a percentage of total population. This list covers the 55 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

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

RANKPLACESTATEPOPSPANIARD SHAREVS 2000

01McHenry County, ILIL317,7510.3%–

02Winnebago County, ILIL283,6740.2%–

03St. Clair County, ILIL250,7080.2%–

04Champaign County, ILIL209,9720.2%–

05Will County, ILIL712,2530.2%–

06Vermilion County, ILIL71,2590.2%–

07Henderson County, ILIL5,9840.2%–

08Jefferson County, ILIL36,1470.2%–

09Kane County, ILIL525,7570.2%–

10Rock Island County, ILIL141,8690.2%–

11Ford County, ILIL13,2160.2%–

12Cook County, ILIL5,194,6250.2%–

13DuPage County, ILIL934,2980.1%–

14Logan County, ILIL27,1820.1%–

15Putnam County, ILIL5,6190.1%–

16Whiteside County, ILIL54,1210.1%–

17Lake County, ILIL719,3390.1%–

18Morgan County, ILIL32,5150.1%–

19Clinton County, ILIL37,1280.1%–

20Union County, ILIL16,6560.1%–

21Jersey County, ILIL21,1600.1%–

22Boone County, ILIL53,5680.1%–

23Jackson County, ILIL52,5010.1%–

24Carroll County, ILIL15,4190.1%–

25Ogle County, ILIL51,3990.1%–

26McDonough County, ILIL25,9160.1%–

27Madison County, ILIL263,1100.1%–

28Stephenson County, ILIL43,2200.1%–

29McLean County, ILIL171,4190.1%–

30Bureau County, ILIL32,5100.1%–

31Williamson County, ILIL67,2250.1%–

32Kankakee County, ILIL105,5250.1%–

33Bond County, ILIL16,9590.1%–

34Knox County, ILIL47,7670.1%–

35Sangamon County, ILIL194,1700.1%–

36Peoria County, ILIL178,5530.1%–

37Macon County, ILIL99,3000.1%–

38Hancock County, ILIL16,8030.1%–

39Washington County, ILIL13,5640.1%–

40Fulton County, ILIL32,9010.0%–

41DeKalb County, ILIL101,8350.0%–

42Grundy County, ILIL54,0520.0%–

43Lee County, ILIL32,9140.0%–

44Kendall County, ILIL145,4700.0%–

45Tazewell County, ILIL130,0490.0%–

46LaSalle County, ILIL107,7730.0%–

47Saline County, ILIL22,7720.0%–

48Johnson County, ILIL13,3630.0%–

49Greene County, ILIL11,3130.0%–

50Marshall County, ILIL11,4730.0%–

51Douglas County, ILIL19,8800.0%–

52Montgomery County, ILIL28,0760.0%–

53Randolph County, ILIL29,9210.0%–

54Henry County, ILIL48,0950.0%–

55Adams County, ILIL64,2670.0%–

SHOWING 1–55 OF 55

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