RANKING · 2020 CENSUS · 80 SHOWN OF 80

Highest Croatian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Croatian ancestry (2023 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.

IllinoisAll states All rankings

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 2000

01Macoupin County, ILIL43,7480.9%–

02Marshall County, ILIL11,4730.9%–

03Fulton County, ILIL32,9010.8%–

04Will County, ILIL712,2530.7%–

05Henderson County, ILIL5,9840.6%–

06Madison County, ILIL263,1100.6%–

07Grundy County, ILIL54,0520.5%–

08DuPage County, ILIL934,2980.4%–

09Kendall County, ILIL145,4700.4%–

10Cook County, ILIL5,194,6250.3%–

11Monroe County, ILIL34,8400.3%–

12Greene County, ILIL11,3130.3%–

13Mercer County, ILIL15,2290.3%–

14Kane County, ILIL525,7570.3%–

15DeKalb County, ILIL101,8350.3%–

16McHenry County, ILIL317,7510.3%–

17Kankakee County, ILIL105,5250.3%–

18Peoria County, ILIL178,5530.3%–

19LaSalle County, ILIL107,7730.3%–

20Lake County, ILIL719,3390.2%–

21Richland County, ILIL15,2190.2%–

22Carroll County, ILIL15,4190.2%–

23St. Clair County, ILIL250,7080.2%–

24Livingston County, ILIL35,0570.2%–

25Knox County, ILIL47,7670.2%–

26Gallatin County, ILIL4,6160.2%–

27Logan County, ILIL27,1820.2%–

28Jo Daviess County, ILIL21,5940.2%–

29Edgar County, ILIL16,3230.2%–

30Wayne County, ILIL15,8820.2%–

31McLean County, ILIL171,4190.2%–

32Sangamon County, ILIL194,1700.2%–

33Woodford County, ILIL38,1110.2%–

34White County, ILIL13,2500.2%–

35Jackson County, ILIL52,5010.2%–

36Rock Island County, ILIL141,8690.2%–

37Jersey County, ILIL21,1600.2%–

38Crawford County, ILIL18,6480.1%–

39Williamson County, ILIL67,2250.1%–

40Franklin County, ILIL36,9160.1%–

41Montgomery County, ILIL28,0760.1%–

42Douglas County, ILIL19,8800.1%–

43Jefferson County, ILIL36,1470.1%–

44Champaign County, ILIL209,9720.1%–

45Tazewell County, ILIL130,0490.1%–

46Putnam County, ILIL5,6190.1%–

47Winnebago County, ILIL283,6740.1%–

48Adams County, ILIL64,2670.1%–

49Marion County, ILIL36,3820.1%–

50Coles County, ILIL46,6070.1%–

51McDonough County, ILIL25,9160.1%–

52Henry County, ILIL48,0950.1%–

53Clinton County, ILIL37,1280.1%–

54Vermilion County, ILIL71,2590.1%–

55Union County, ILIL16,6560.1%–

56Ogle County, ILIL51,3990.1%–

57Morgan County, ILIL32,5150.1%–

58Pike County, ILIL14,2310.1%–

59Bureau County, ILIL32,5100.1%–

60Cumberland County, ILIL10,2080.1%–

61Christian County, ILIL33,4430.1%–

62Bond County, ILIL16,9590.1%–

63Macon County, ILIL99,3000.1%–

64Lawrence County, ILIL13,7900.1%–

65Stephenson County, ILIL43,2200.0%–

66Lee County, ILIL32,9140.0%–

67Iroquois County, ILIL26,1500.0%–

68Whiteside County, ILIL54,1210.0%–

69Mason County, ILIL12,4110.0%–

70Shelby County, ILIL20,5760.0%–

71Randolph County, ILIL29,9210.0%–

72Cass County, ILIL12,4630.0%–

73Effingham County, ILIL34,5190.0%–

74Boone County, ILIL53,5680.0%–

75Johnson County, ILIL13,3630.0%–

76Ford County, ILIL13,2160.0%–

77Clark County, ILIL15,1140.0%–

78Saline County, ILIL22,7720.0%–

79Perry County, ILIL20,1600.0%–

80De Witt County, ILIL15,1180.0%–

SHOWING 1–80 OF 80

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES