RANKING · 2010 CENSUS · 51 SHOWN OF 51

Highest Spaniard population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Spaniard origin (2010 American Community Survey). A concentration measure: Spaniard residents as a percentage of total population. This list covers the 51 counties in Illinois that qualify, ranked against each other statewide. The median across all 51 is 0.1%.

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 SHAREVS –

01Bureau County, ILIL32,5100.2%–

02Grundy County, ILIL54,0520.2%–

03Kane County, ILIL525,7570.2%–

04Lee County, ILIL32,9140.1%–

05Winnebago County, ILIL283,6740.1%–

06Macoupin County, ILIL43,7480.1%–

07Washington County, ILIL13,5640.1%–

08Clinton County, ILIL37,1280.1%–

09McHenry County, ILIL317,7510.1%–

10DuPage County, ILIL934,2980.1%–

11Kendall County, ILIL145,4700.1%–

12Whiteside County, ILIL54,1210.1%–

13Peoria County, ILIL178,5530.1%–

14Kankakee County, ILIL105,5250.1%–

15Lake County, ILIL719,3390.1%–

16Will County, ILIL712,2530.1%–

17Jackson County, ILIL52,5010.1%–

18Cook County, ILIL5,194,6250.1%–

19Ogle County, ILIL51,3990.1%–

20Monroe County, ILIL34,8400.1%–

21St. Clair County, ILIL250,7080.1%–

22Hardin County, ILIL3,5880.1%–

23Williamson County, ILIL67,2250.1%–

24McLean County, ILIL171,4190.1%–

25Adams County, ILIL64,2670.1%–

26Morgan County, ILIL32,5150.1%–

27Stephenson County, ILIL43,2200.1%–

28DeKalb County, ILIL101,8350.0%–

29Coles County, ILIL46,6070.0%–

30Henry County, ILIL48,0950.0%–

31Champaign County, ILIL209,9720.0%–

32Rock Island County, ILIL141,8690.0%–

33Cass County, ILIL12,4630.0%–

34Macon County, ILIL99,3000.0%–

35Madison County, ILIL263,1100.0%–

36Henderson County, ILIL5,9840.0%–

37Fulton County, ILIL32,9010.0%–

38Logan County, ILIL27,1820.0%–

39Sangamon County, ILIL194,1700.0%–

40LaSalle County, ILIL107,7730.0%–

41Clay County, ILIL12,7930.0%–

42Christian County, ILIL33,4430.0%–

43Iroquois County, ILIL26,1500.0%–

44Jefferson County, ILIL36,1470.0%–

45Perry County, ILIL20,1600.0%–

46Tazewell County, ILIL130,0490.0%–

47Knox County, ILIL47,7670.0%–

48McDonough County, ILIL25,9160.0%–

49Livingston County, ILIL35,0570.0%–

50Mercer County, ILIL15,2290.0%–

51Jo Daviess County, ILIL21,5940.0%–

SHOWING 1–51 OF 51

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS