RANKING · 2010 CENSUS · 80 SHOWN OF 80

Largest Croatian population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Croatian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2000

01Cook County, ILIL5,194,62518,706–

02Will County, ILIL712,2536,484–

03DuPage County, ILIL934,2984,943–

04Lake County, ILIL719,3392,707–

05Madison County, ILIL263,1101,500–

06McHenry County, ILIL317,7511,180–

07Kane County, ILIL525,7571,151–

08St. Clair County, ILIL250,708517–

09Sangamon County, ILIL194,170486–

10Rock Island County, ILIL141,869484–

11Fulton County, ILIL32,901424–

12Macoupin County, ILIL43,748359–

13Grundy County, ILIL54,052358–

14Winnebago County, ILIL283,674355–

15McLean County, ILIL171,419354–

16Kendall County, ILIL145,470350–

17LaSalle County, ILIL107,773344–

18Tazewell County, ILIL130,049289–

19Peoria County, ILIL178,553285–

20DeKalb County, ILIL101,835231–

21Champaign County, ILIL209,972181–

22Franklin County, ILIL36,916154–

23Kankakee County, ILIL105,525148–

24Williamson County, ILIL67,225134–

25De Witt County, ILIL15,118127–

26Jersey County, ILIL21,160123–

27Livingston County, ILIL35,057115–

28Macon County, ILIL99,300114–

29Piatt County, ILIL16,79191–

30Vermilion County, ILIL71,25989–

31Boone County, ILIL53,56876–

32Whiteside County, ILIL54,12169–

33Lee County, ILIL32,91466–

34Montgomery County, ILIL28,07665–

35Henry County, ILIL48,09564–

36Stephenson County, ILIL43,22057–

37Knox County, ILIL47,76755–

38Morgan County, ILIL32,51553–

39Christian County, ILIL33,44346–

40Perry County, ILIL20,16044–

41Adams County, ILIL64,26743–

42Iroquois County, ILIL26,15043–

43Woodford County, ILIL38,11138–

44Carroll County, ILIL15,41932–

45Marshall County, ILIL11,47332–

46Jackson County, ILIL52,50131–

47Menard County, ILIL11,86330–

48Mercer County, ILIL15,22930–

49Cumberland County, ILIL10,20827–

50Jefferson County, ILIL36,14727–

51Douglas County, ILIL19,88025–

52Hancock County, ILIL16,80325–

53McDonough County, ILIL25,91625–

54Monroe County, ILIL34,84025–

55Clinton County, ILIL37,12823–

56Ogle County, ILIL51,39921–

57Washington County, ILIL13,56421–

58Randolph County, ILIL29,92120–

59Bureau County, ILIL32,51016–

60Logan County, ILIL27,18216–

61Coles County, ILIL46,60714–

62Pope County, ILIL3,67214–

63Marion County, ILIL36,38210–

64Shelby County, ILIL20,5769–

65Fayette County, ILIL20,7908–

66Henderson County, ILIL5,9848–

67Lawrence County, ILIL13,7908–

68Jo Daviess County, ILIL21,5947–

69Putnam County, ILIL5,6197–

70Stark County, ILIL5,3197–

71Bond County, ILIL16,9596–

72Clark County, ILIL15,1146–

73Crawford County, ILIL18,6486–

74Gallatin County, ILIL4,6166–

75Wayne County, ILIL15,8825–

76Jasper County, ILIL9,0324–

77Cass County, ILIL12,4633–

78Hardin County, ILIL3,5883–

79Mason County, ILIL12,4113–

80Warren County, ILIL16,2223–

SHOWING 1–80 OF 80

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