RANKING · 2024 ACS · 65 SHOWN OF 65

Highest Spaniard population share, Illinois counties

Illinois counties ranked by the share of all residents who are Spaniard origin (2024 American Community Survey). A concentration measure: Spaniard residents as a percentage of total population. This list covers the 65 counties in Illinois that qualify, ranked against each other statewide. The median across all 65 is 0.1%. Biggest climber in the top 100 since 2020: Johnson County, IL, up 36 places to #12.

Spaniard Americans: full group profile →

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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

RANKPLACESTATEPOPSPANIARD SHAREVS 2010

01▲3Champaign County, ILIL209,9720.5%+0.5 pts

02Piatt County, ILIL16,7910.5%–

03▲8Ford County, ILIL13,2160.4%–

04▲18Boone County, ILIL53,5680.3%–

05▲11Whiteside County, ILIL54,1210.3%+0.2 pts

06▼1Will County, ILIL712,2530.3%+0.2 pts

07▲7Logan County, ILIL27,1820.3%+0.3 pts

08▲10Morgan County, ILIL32,5150.3%+0.2 pts

09▲1Rock Island County, ILIL141,8690.3%+0.2 pts

10▲7Lake County, ILIL719,3390.2%+0.1 pts

11Schuyler County, ILIL6,6570.2%–

12▲36Johnson County, ILIL13,3630.2%–

13Livingston County, ILIL35,0570.2%+0.2 pts

14▼12Winnebago County, ILIL283,6740.2%+0.1 pts

15▼6Kane County, ILIL525,7570.2%0.0 pts

16▲18Knox County, ILIL47,7670.2%+0.2 pts

17De Witt County, ILIL15,1180.2%–

18▼6Cook County, ILIL5,194,6250.2%+0.1 pts

19▲25Kendall County, ILIL145,4700.2%+0.1 pts

20▲5Ogle County, ILIL51,3990.2%+0.1 pts

21▼20McHenry County, ILIL317,7510.2%+0.1 pts

22▲31Randolph County, ILIL29,9210.2%–

23▲24Saline County, ILIL22,7720.2%–

24▼11DuPage County, ILIL934,2980.1%0.0 pts

25▼10Putnam County, ILIL5,6190.1%–

26Monroe County, ILIL34,8400.1%+0.1 pts

27▲14DeKalb County, ILIL101,8350.1%+0.1 pts

28▲18LaSalle County, ILIL107,7730.1%+0.1 pts

29▼21Jefferson County, ILIL36,1470.1%+0.1 pts

30▼27St. Clair County, ILIL250,7080.1%0.0 pts

31▼4Madison County, ILIL263,1100.1%+0.1 pts

32▲22Henry County, ILIL48,0950.1%+0.1 pts

33▼13Union County, ILIL16,6560.1%–

34Scott County, ILIL4,8660.1%–

35▲10Tazewell County, ILIL130,0490.1%+0.1 pts

36Cumberland County, ILIL10,2080.1%–

37▼18Clinton County, ILIL37,1280.1%0.0 pts

38Iroquois County, ILIL26,1500.1%0.0 pts

39▼10McLean County, ILIL171,4190.1%0.0 pts

40Edgar County, ILIL16,3230.1%–

41▼18Jackson County, ILIL52,5010.1%0.0 pts

42Lawrence County, ILIL13,7900.1%–

43Crawford County, ILIL18,6480.1%–

44▼5Washington County, ILIL13,5640.1%−0.1 pts

45Macoupin County, ILIL43,7480.1%−0.1 pts

46Christian County, ILIL33,4430.1%0.0 pts

47Marion County, ILIL36,3820.0%–

48▼13Sangamon County, ILIL194,1700.0%0.0 pts

49▲2Douglas County, ILIL19,8800.0%–

50▼14Peoria County, ILIL178,5530.0%−0.1 pts

51▼23Stephenson County, ILIL43,2200.0%0.0 pts

52▼20Kankakee County, ILIL105,5250.0%−0.1 pts

53▼23Bureau County, ILIL32,5100.0%−0.2 pts

54▼16Hancock County, ILIL16,8030.0%–

55▼12Lee County, ILIL32,9140.0%−0.1 pts

56White County, ILIL13,2500.0%–

57Franklin County, ILIL36,9160.0%–

58▼52Vermilion County, ILIL71,2590.0%–

59▼10Greene County, ILIL11,3130.0%–

60▼18Grundy County, ILIL54,0520.0%−0.2 pts

61▼24Macon County, ILIL99,3000.0%0.0 pts

62Mercer County, ILIL15,2290.0%0.0 pts

63▼32Williamson County, ILIL67,2250.0%−0.1 pts

64▼38McDonough County, ILIL25,9160.0%0.0 pts

65▼41Carroll County, ILIL15,4190.0%–

SHOWING 1–65 OF 65

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES