RANKING · 2010 CENSUS · 80 SHOWN OF 80

Highest Croatian population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Croatian ancestry (2010 American Community Survey). A concentration measure: Croatian residents as a percentage of total population. This list covers the 80 counties in Illinois that qualify, ranked against each other statewide. The median across all 80 is 0.1%.

Croatian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCROATIAN SHAREVS –

01Fulton County, ILIL32,9011.1%–

02Will County, ILIL712,2531.0%–

03De Witt County, ILIL15,1180.8%–

04Macoupin County, ILIL43,7480.7%–

05Grundy County, ILIL54,0520.7%–

06Madison County, ILIL263,1100.6%–

07Piatt County, ILIL16,7910.5%–

08DuPage County, ILIL934,2980.5%–

09Jersey County, ILIL21,1600.5%–

10Franklin County, ILIL36,9160.4%–

11Lake County, ILIL719,3390.4%–

12McHenry County, ILIL317,7510.4%–

13Cook County, ILIL5,194,6250.4%–

14Kendall County, ILIL145,4700.3%–

15Rock Island County, ILIL141,8690.3%–

16Pope County, ILIL3,6720.3%–

17LaSalle County, ILIL107,7730.3%–

18Livingston County, ILIL35,0570.3%–

19Marshall County, ILIL11,4730.3%–

20Sangamon County, ILIL194,1700.2%–

21Cumberland County, ILIL10,2080.2%–

22Menard County, ILIL11,8630.2%–

23Kane County, ILIL525,7570.2%–

24DeKalb County, ILIL101,8350.2%–

25Tazewell County, ILIL130,0490.2%–

26Montgomery County, ILIL28,0760.2%–

27McLean County, ILIL171,4190.2%–

28Carroll County, ILIL15,4190.2%–

29Williamson County, ILIL67,2250.2%–

30Perry County, ILIL20,1600.2%–

31St. Clair County, ILIL250,7080.2%–

32Lee County, ILIL32,9140.2%–

33Mercer County, ILIL15,2290.2%–

34Peoria County, ILIL178,5530.2%–

35Morgan County, ILIL32,5150.1%–

36Iroquois County, ILIL26,1500.1%–

37Boone County, ILIL53,5680.1%–

38Washington County, ILIL13,5640.1%–

39Kankakee County, ILIL105,5250.1%–

40Christian County, ILIL33,4430.1%–

41Hancock County, ILIL16,8030.1%–

42Henry County, ILIL48,0950.1%–

43Douglas County, ILIL19,8800.1%–

44Winnebago County, ILIL283,6740.1%–

45Stephenson County, ILIL43,2200.1%–

46Whiteside County, ILIL54,1210.1%–

47Putnam County, ILIL5,6190.1%–

48Stark County, ILIL5,3190.1%–

49Vermilion County, ILIL71,2590.1%–

50Henderson County, ILIL5,9840.1%–

51Gallatin County, ILIL4,6160.1%–

52Knox County, ILIL47,7670.1%–

53Macon County, ILIL99,3000.1%–

54Woodford County, ILIL38,1110.1%–

55Champaign County, ILIL209,9720.1%–

56Monroe County, ILIL34,8400.1%–

57McDonough County, ILIL25,9160.1%–

58Jefferson County, ILIL36,1470.1%–

59Hardin County, ILIL3,5880.1%–

60Adams County, ILIL64,2670.1%–

61Clinton County, ILIL37,1280.1%–

62Randolph County, ILIL29,9210.1%–

63Logan County, ILIL27,1820.1%–

64Jackson County, ILIL52,5010.1%–

65Lawrence County, ILIL13,7900.0%–

66Bureau County, ILIL32,5100.0%–

67Jasper County, ILIL9,0320.0%–

68Shelby County, ILIL20,5760.0%–

69Ogle County, ILIL51,3990.0%–

70Fayette County, ILIL20,7900.0%–

71Clark County, ILIL15,1140.0%–

72Bond County, ILIL16,9590.0%–

73Jo Daviess County, ILIL21,5940.0%–

74Crawford County, ILIL18,6480.0%–

75Wayne County, ILIL15,8820.0%–

76Coles County, ILIL46,6070.0%–

77Marion County, ILIL36,3820.0%–

78Cass County, ILIL12,4630.0%–

79Mason County, ILIL12,4110.0%–

80Warren County, ILIL16,2220.0%–

SHOWING 1–80 OF 80

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