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 (2020 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 2010

01LaSalle County, ILIL107,7730.7%+0.2 pts

02Bureau County, ILIL32,5100.5%+0.1 pts

03Putnam County, ILIL5,6190.4%−0.5 pts

04Will County, ILIL712,2530.4%−0.2 pts

05Kendall County, ILIL145,4700.3%−0.0 pts

06Grundy County, ILIL54,0520.2%−0.1 pts

07Lake County, ILIL719,3390.2%−0.0 pts

08DuPage County, ILIL934,2980.2%+0.0 pts

09Jackson County, ILIL52,5010.1%+0.1 pts

10Macoupin County, ILIL43,7480.1%−0.1 pts

11DeKalb County, ILIL101,8350.1%+0.1 pts

12Kane County, ILIL525,7570.1%+0.0 pts

13Sangamon County, ILIL194,1700.1%+0.0 pts

14Effingham County, ILIL34,5190.1%–

15McHenry County, ILIL317,7510.1%−0.0 pts

16McLean County, ILIL171,4190.1%−0.0 pts

17Kankakee County, ILIL105,5250.1%−0.0 pts

18Cook County, ILIL5,194,6250.1%−0.0 pts

19Montgomery County, ILIL28,0760.1%−0.1 pts

20Logan County, ILIL27,1820.1%+0.0 pts

21Woodford County, ILIL38,1110.1%+0.0 pts

22Iroquois County, ILIL26,1500.1%–

23Stark County, ILIL5,3190.1%–

24Livingston County, ILIL35,0570.1%−0.0 pts

25Winnebago County, ILIL283,6740.1%+0.0 pts

26Christian County, ILIL33,4430.1%+0.0 pts

27Franklin County, ILIL36,9160.0%−0.1 pts

28Champaign County, ILIL209,9720.0%+0.0 pts

29Wabash County, ILIL10,9070.0%–

30Macon County, ILIL99,3000.0%+0.0 pts

31Ogle County, ILIL51,3990.0%–

32Vermilion County, ILIL71,2590.0%+0.0 pts

33Rock Island County, ILIL141,8690.0%+0.0 pts

34Randolph County, ILIL29,9210.0%−0.0 pts

35Jo Daviess County, ILIL21,5940.0%−0.0 pts

36Tazewell County, ILIL130,0490.0%+0.0 pts

37Peoria County, ILIL178,5530.0%−0.1 pts

38Hancock County, ILIL16,8030.0%–

39Henry County, ILIL48,0950.0%+0.0 pts

40Piatt County, ILIL16,7910.0%–

41Whiteside County, ILIL54,1210.0%−0.0 pts

42De Witt County, ILIL15,1180.0%–

43Stephenson County, ILIL43,2200.0%−0.0 pts

44Marshall County, ILIL11,4730.0%−0.1 pts

45Knox County, ILIL47,7670.0%–

46Madison County, ILIL263,1100.0%−0.0 pts

47St. Clair County, ILIL250,7080.0%−0.0 pts

48Jefferson County, ILIL36,1470.0%–

49Lee County, ILIL32,9140.0%−0.0 pts

SHOWING 1–49 OF 49

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