RANKING · 2020 CENSUS · 49 SHOWN OF 49

Highest Slovene population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Slovene ancestry (2023 American Community Survey). A concentration measure: Slovene residents as a percentage of total population. This list covers the 49 counties in Illinois that qualify, ranked against each other statewide.

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

YEAR2010 2020 2024

Highest Slovene population share by state

RANKPLACESTATEPOPSLOVENE SHAREVS 2000

01LaSalle County, ILIL107,7730.7%–

02Bureau County, ILIL32,5100.5%–

03Putnam County, ILIL5,6190.4%–

04Will County, ILIL712,2530.4%–

05Kendall County, ILIL145,4700.3%–

06Grundy County, ILIL54,0520.2%–

07Lake County, ILIL719,3390.2%–

08DuPage County, ILIL934,2980.2%–

09Jackson County, ILIL52,5010.1%–

10Macoupin County, ILIL43,7480.1%–

11DeKalb County, ILIL101,8350.1%–

12Kane County, ILIL525,7570.1%–

13Sangamon County, ILIL194,1700.1%–

14Effingham County, ILIL34,5190.1%–

15McHenry County, ILIL317,7510.1%–

16McLean County, ILIL171,4190.1%–

17Kankakee County, ILIL105,5250.1%–

18Cook County, ILIL5,194,6250.1%–

19Montgomery County, ILIL28,0760.1%–

20Logan County, ILIL27,1820.1%–

21Woodford County, ILIL38,1110.1%–

22Iroquois County, ILIL26,1500.1%–

23Stark County, ILIL5,3190.1%–

24Livingston County, ILIL35,0570.1%–

25Winnebago County, ILIL283,6740.1%–

26Christian County, ILIL33,4430.1%–

27Franklin County, ILIL36,9160.0%–

28Champaign County, ILIL209,9720.0%–

29Wabash County, ILIL10,9070.0%–

30Macon County, ILIL99,3000.0%–

31Ogle County, ILIL51,3990.0%–

32Vermilion County, ILIL71,2590.0%–

33Rock Island County, ILIL141,8690.0%–

34Randolph County, ILIL29,9210.0%–

35Jo Daviess County, ILIL21,5940.0%–

36Tazewell County, ILIL130,0490.0%–

37Peoria County, ILIL178,5530.0%–

38Hancock County, ILIL16,8030.0%–

39Henry County, ILIL48,0950.0%–

40Piatt County, ILIL16,7910.0%–

41Whiteside County, ILIL54,1210.0%–

42De Witt County, ILIL15,1180.0%–

43Stephenson County, ILIL43,2200.0%–

44Marshall County, ILIL11,4730.0%–

45Knox County, ILIL47,7670.0%–

46Madison County, ILIL263,1100.0%–

47St. Clair County, ILIL250,7080.0%–

48Jefferson County, ILIL36,1470.0%–

49Lee County, ILIL32,9140.0%–

SHOWING 1–49 OF 49

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