RANKING · 2024 ACS · 48 SHOWN OF 48

Highest Slovene population share, Illinois counties

Illinois counties ranked by the share of all residents who are Slovene ancestry (2024 American Community Survey). A concentration measure: Slovene residents as a percentage of total population. This list covers the 48 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, ILIL107,7730.6%+0.2 pts

02Bureau County, ILIL32,5100.5%+0.2 pts

03Will County, ILIL712,2530.4%−0.2 pts

04Putnam County, ILIL5,6190.3%−0.7 pts

05Kendall County, ILIL145,4700.2%−0.1 pts

06Grundy County, ILIL54,0520.2%−0.1 pts

07Lake County, ILIL719,3390.2%−0.1 pts

08McHenry County, ILIL317,7510.2%+0.1 pts

09Hardin County, ILIL3,5880.1%–

10Mason County, ILIL12,4110.1%–

11Jo Daviess County, ILIL21,5940.1%+0.1 pts

12Livingston County, ILIL35,0570.1%+0.0 pts

13Jersey County, ILIL21,1600.1%–

14DuPage County, ILIL934,2980.1%−0.0 pts

15De Witt County, ILIL15,1180.1%–

16Woodford County, ILIL38,1110.1%+0.0 pts

17Jefferson County, ILIL36,1470.1%–

18Shelby County, ILIL20,5760.1%–

19Cook County, ILIL5,194,6250.1%−0.0 pts

20Whiteside County, ILIL54,1210.1%+0.0 pts

21Kane County, ILIL525,7570.1%−0.0 pts

22Logan County, ILIL27,1820.1%+0.0 pts

23DeKalb County, ILIL101,8350.1%+0.0 pts

24Sangamon County, ILIL194,1700.1%−0.0 pts

25Peoria County, ILIL178,5530.0%−0.0 pts

26Iroquois County, ILIL26,1500.0%–

27Wabash County, ILIL10,9070.0%–

28Marshall County, ILIL11,4730.0%−0.1 pts

29Macoupin County, ILIL43,7480.0%−0.2 pts

30Menard County, ILIL11,8630.0%+0.0 pts

31Rock Island County, ILIL141,8690.0%+0.0 pts

32Franklin County, ILIL36,9160.0%−0.1 pts

33Macon County, ILIL99,3000.0%+0.0 pts

34Kankakee County, ILIL105,5250.0%−0.1 pts

35Jackson County, ILIL52,5010.0%−0.0 pts

36Adams County, ILIL64,2670.0%−0.0 pts

37Fayette County, ILIL20,7900.0%–

38Champaign County, ILIL209,9720.0%−0.0 pts

39Tazewell County, ILIL130,0490.0%−0.0 pts

40Madison County, ILIL263,1100.0%+0.0 pts

41Winnebago County, ILIL283,6740.0%−0.0 pts

42Williamson County, ILIL67,2250.0%−0.0 pts

43Lee County, ILIL32,9140.0%−0.0 pts

44Montgomery County, ILIL28,0760.0%−0.2 pts

45Vermilion County, ILIL71,2590.0%−0.0 pts

46Clinton County, ILIL37,1280.0%−0.0 pts

47Ogle County, ILIL51,3990.0%–

48McLean County, ILIL171,4190.0%−0.1 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES