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 (2020 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.

Croatian Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCROATIAN SHAREVS 2010

01Macoupin County, ILIL43,7480.9%+0.2 pts

02Marshall County, ILIL11,4730.9%+0.7 pts

03Fulton County, ILIL32,9010.8%−0.3 pts

04Will County, ILIL712,2530.7%−0.2 pts

05Henderson County, ILIL5,9840.6%+0.5 pts

06Madison County, ILIL263,1100.6%+0.0 pts

07Grundy County, ILIL54,0520.5%−0.2 pts

08DuPage County, ILIL934,2980.4%−0.1 pts

09Kendall County, ILIL145,4700.4%+0.0 pts

10Cook County, ILIL5,194,6250.3%−0.0 pts

11Monroe County, ILIL34,8400.3%+0.2 pts

12Greene County, ILIL11,3130.3%–

13Mercer County, ILIL15,2290.3%+0.1 pts

14Kane County, ILIL525,7570.3%+0.1 pts

15DeKalb County, ILIL101,8350.3%+0.1 pts

16McHenry County, ILIL317,7510.3%−0.1 pts

17Kankakee County, ILIL105,5250.3%+0.1 pts

18Peoria County, ILIL178,5530.3%+0.1 pts

19LaSalle County, ILIL107,7730.3%−0.0 pts

20Lake County, ILIL719,3390.2%−0.1 pts

21Richland County, ILIL15,2190.2%–

22Carroll County, ILIL15,4190.2%+0.0 pts

23St. Clair County, ILIL250,7080.2%+0.0 pts

24Livingston County, ILIL35,0570.2%−0.1 pts

25Knox County, ILIL47,7670.2%+0.1 pts

26Gallatin County, ILIL4,6160.2%+0.1 pts

27Logan County, ILIL27,1820.2%+0.1 pts

28Jo Daviess County, ILIL21,5940.2%+0.2 pts

29Edgar County, ILIL16,3230.2%–

30Wayne County, ILIL15,8820.2%+0.1 pts

31McLean County, ILIL171,4190.2%−0.0 pts

32Sangamon County, ILIL194,1700.2%−0.1 pts

33Woodford County, ILIL38,1110.2%+0.1 pts

34White County, ILIL13,2500.2%–

35Jackson County, ILIL52,5010.2%+0.1 pts

36Rock Island County, ILIL141,8690.2%−0.2 pts

37Jersey County, ILIL21,1600.2%−0.4 pts

38Crawford County, ILIL18,6480.1%+0.1 pts

39Williamson County, ILIL67,2250.1%−0.1 pts

40Franklin County, ILIL36,9160.1%−0.3 pts

41Montgomery County, ILIL28,0760.1%−0.1 pts

42Douglas County, ILIL19,8800.1%−0.0 pts

43Jefferson County, ILIL36,1470.1%+0.0 pts

44Champaign County, ILIL209,9720.1%+0.0 pts

45Tazewell County, ILIL130,0490.1%−0.1 pts

46Putnam County, ILIL5,6190.1%−0.0 pts

47Winnebago County, ILIL283,6740.1%−0.0 pts

48Adams County, ILIL64,2670.1%+0.0 pts

49Marion County, ILIL36,3820.1%+0.1 pts

50Coles County, ILIL46,6070.1%+0.1 pts

51McDonough County, ILIL25,9160.1%+0.0 pts

52Henry County, ILIL48,0950.1%−0.0 pts

53Clinton County, ILIL37,1280.1%+0.0 pts

54Vermilion County, ILIL71,2590.1%−0.0 pts

55Union County, ILIL16,6560.1%–

56Ogle County, ILIL51,3990.1%+0.0 pts

57Morgan County, ILIL32,5150.1%−0.1 pts

58Pike County, ILIL14,2310.1%–

59Bureau County, ILIL32,5100.1%+0.0 pts

60Cumberland County, ILIL10,2080.1%−0.2 pts

61Christian County, ILIL33,4430.1%−0.1 pts

62Bond County, ILIL16,9590.1%+0.0 pts

63Macon County, ILIL99,3000.1%−0.1 pts

64Lawrence County, ILIL13,7900.1%+0.0 pts

65Stephenson County, ILIL43,2200.0%−0.1 pts

66Lee County, ILIL32,9140.0%−0.1 pts

67Iroquois County, ILIL26,1500.0%−0.1 pts

68Whiteside County, ILIL54,1210.0%−0.1 pts

69Mason County, ILIL12,4110.0%+0.0 pts

70Shelby County, ILIL20,5760.0%−0.0 pts

71Randolph County, ILIL29,9210.0%−0.0 pts

72Cass County, ILIL12,4630.0%+0.0 pts

73Effingham County, ILIL34,5190.0%–

74Boone County, ILIL53,5680.0%−0.1 pts

75Johnson County, ILIL13,3630.0%–

76Ford County, ILIL13,2160.0%–

77Clark County, ILIL15,1140.0%−0.0 pts

78Saline County, ILIL22,7720.0%–

79Perry County, ILIL20,1600.0%−0.2 pts

80De Witt County, ILIL15,1180.0%−0.8 pts

SHOWING 1–80 OF 80

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS