RANKING · 2024 ACS · 75 SHOWN OF 75

Highest Croatian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Croatian ancestry (2024 American Community Survey). A concentration measure: Croatian residents as a percentage of total population. This list covers the 75 counties in Illinois that qualify, ranked against each other statewide.

Croatian Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCROATIAN SHAREVS 2010

01Grundy County, ILIL54,0521.1%+0.4 pts

02Fulton County, ILIL32,9011.0%−0.2 pts

03Putnam County, ILIL5,6190.9%+0.7 pts

04Marshall County, ILIL11,4730.8%+0.6 pts

05Will County, ILIL712,2530.6%−0.3 pts

06Madison County, ILIL263,1100.5%−0.0 pts

07Henderson County, ILIL5,9840.5%+0.4 pts

08DuPage County, ILIL934,2980.5%−0.1 pts

09Macoupin County, ILIL43,7480.5%−0.3 pts

10Franklin County, ILIL36,9160.4%−0.0 pts

11Montgomery County, ILIL28,0760.4%+0.2 pts

12Monroe County, ILIL34,8400.4%+0.3 pts

13Union County, ILIL16,6560.4%–

14Jo Daviess County, ILIL21,5940.4%+0.3 pts

15Richland County, ILIL15,2190.4%–

16White County, ILIL13,2500.4%–

17Kendall County, ILIL145,4700.3%−0.0 pts

18Cook County, ILIL5,194,6250.3%−0.1 pts

19St. Clair County, ILIL250,7080.2%+0.0 pts

20Lake County, ILIL719,3390.2%−0.1 pts

21McHenry County, ILIL317,7510.2%−0.2 pts

22Peoria County, ILIL178,5530.2%+0.1 pts

23Tazewell County, ILIL130,0490.2%−0.0 pts

24Kankakee County, ILIL105,5250.2%+0.1 pts

25Iroquois County, ILIL26,1500.2%+0.0 pts

26LaSalle County, ILIL107,7730.2%−0.1 pts

27McLean County, ILIL171,4190.2%−0.0 pts

28Williamson County, ILIL67,2250.2%−0.0 pts

29Kane County, ILIL525,7570.2%−0.1 pts

30Crawford County, ILIL18,6480.2%+0.1 pts

31Rock Island County, ILIL141,8690.2%−0.2 pts

32Scott County, ILIL4,8660.1%–

33Gallatin County, ILIL4,6160.1%+0.0 pts

34Sangamon County, ILIL194,1700.1%−0.1 pts

35Winnebago County, ILIL283,6740.1%−0.0 pts

36Henry County, ILIL48,0950.1%−0.0 pts

37Jersey County, ILIL21,1600.1%−0.4 pts

38Macon County, ILIL99,3000.1%+0.0 pts

39Perry County, ILIL20,1600.1%−0.1 pts

40Fayette County, ILIL20,7900.1%+0.1 pts

41Jefferson County, ILIL36,1470.1%+0.0 pts

42Marion County, ILIL36,3820.1%+0.1 pts

43Knox County, ILIL47,7670.1%−0.0 pts

44Menard County, ILIL11,8630.1%−0.1 pts

45Douglas County, ILIL19,8800.1%−0.0 pts

46Piatt County, ILIL16,7910.1%−0.4 pts

47Stark County, ILIL5,3190.1%−0.0 pts

48Mason County, ILIL12,4110.1%+0.1 pts

49Saline County, ILIL22,7720.1%–

50Mercer County, ILIL15,2290.1%−0.1 pts

51McDonough County, ILIL25,9160.1%+0.0 pts

52Champaign County, ILIL209,9720.1%−0.0 pts

53Bureau County, ILIL32,5100.1%+0.0 pts

54Boone County, ILIL53,5680.1%−0.1 pts

55DeKalb County, ILIL101,8350.1%−0.1 pts

56Christian County, ILIL33,4430.1%−0.1 pts

57Logan County, ILIL27,1820.1%+0.0 pts

58Effingham County, ILIL34,5190.1%–

59Shelby County, ILIL20,5760.1%+0.0 pts

60Jackson County, ILIL52,5010.1%+0.0 pts

61Ford County, ILIL13,2160.1%–

62Coles County, ILIL46,6070.1%+0.0 pts

63Whiteside County, ILIL54,1210.1%−0.1 pts

64Stephenson County, ILIL43,2200.1%−0.1 pts

65Calhoun County, ILIL4,3000.0%–

66Carroll County, ILIL15,4190.0%−0.2 pts

67Clinton County, ILIL37,1280.0%−0.0 pts

68Vermilion County, ILIL71,2590.0%−0.1 pts

69Wayne County, ILIL15,8820.0%+0.0 pts

70Cass County, ILIL12,4630.0%+0.0 pts

71Ogle County, ILIL51,3990.0%−0.0 pts

72Warren County, ILIL16,2220.0%−0.0 pts

73Lee County, ILIL32,9140.0%−0.2 pts

74Washington County, ILIL13,5640.0%−0.1 pts

75Livingston County, ILIL35,0570.0%−0.3 pts

SHOWING 1–75 OF 75

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES