RANKING · 2024 ACS · 65 SHOWN OF 65

Largest Spaniard population, Illinois counties

Illinois counties ranked by the number of residents who are Spaniard origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 65 counties in Illinois that qualify, ranked against each other statewide.

Spaniard 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

RANKPLACESTATEPOPSPANIARD POPULATIONVS 2010

01Cook County, ILIL5,194,6259,368+97%

02Will County, ILIL712,2532,220+253%

03Lake County, ILIL719,3391,747+154%

04DuPage County, ILIL934,2981,340+39%

05Champaign County, ILIL209,9721,098+1120%

06Kane County, ILIL525,757965+12%

07Winnebago County, ILIL283,674536+59%

08McHenry County, ILIL317,751496+53%

09Rock Island County, ILIL141,869365+453%

10St. Clair County, ILIL250,708270+39%

11Madison County, ILIL263,110270+148%

12Kendall County, ILIL145,470247+127%

13Boone County, ILIL53,568185–

14Whiteside County, ILIL54,121181+207%

15LaSalle County, ILIL107,773139+309%

16DeKalb County, ILIL101,835137+169%

17McLean County, ILIL171,419109+10%

18Tazewell County, ILIL130,049104+300%

19Morgan County, ILIL32,51595+400%

20Ogle County, ILIL51,39992+88%

21Knox County, ILIL47,76791+810%

22Sangamon County, ILIL194,17088+49%

23Piatt County, ILIL16,79184–

24Logan County, ILIL27,18282+720%

25Peoria County, ILIL178,55372−61%

26Livingston County, ILIL35,05769+886%

27Monroe County, ILIL34,84050+92%

28Henry County, ILIL48,09549+113%

29Ford County, ILIL13,21647–

30Randolph County, ILIL29,92147–

31Jefferson County, ILIL36,14743+378%

32Kankakee County, ILIL105,52538−66%

33Saline County, ILIL22,77235–

34Jackson County, ILIL52,50132−43%

35Johnson County, ILIL13,36330–

36Clinton County, ILIL37,12828−30%

37De Witt County, ILIL15,11828–

38Macoupin County, ILIL43,74826−53%

39Christian County, ILIL33,44318+80%

40Iroquois County, ILIL26,15018+125%

41Marion County, ILIL36,38217–

42Schuyler County, ILIL6,65716–

43Stephenson County, ILIL43,22016−33%

44Macon County, ILIL99,30015−67%

45Union County, ILIL16,65615–

46Vermilion County, ILIL71,25915–

47Crawford County, ILIL18,64811–

48Bureau County, ILIL32,51011−86%

49Edgar County, ILIL16,32310–

50Lawrence County, ILIL13,7909–

51Grundy County, ILIL54,0529−91%

52Cumberland County, ILIL10,2088–

53Douglas County, ILIL19,8808–

54Franklin County, ILIL36,9168–

55Lee County, ILIL32,9148−83%

56Putnam County, ILIL5,6198–

57Washington County, ILIL13,5648−53%

58Williamson County, ILIL67,2256−85%

59Hancock County, ILIL16,8035–

60Scott County, ILIL4,8664–

61White County, ILIL13,2503–

62Greene County, ILIL11,3132–

63McDonough County, ILIL25,9162−67%

64Mercer County, ILIL15,2292+0%

65Carroll County, ILIL15,4191–

SHOWING 1–65 OF 65

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES