RANKING · 2020 CENSUS · 36 SHOWN OF 36

Highest Latvian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Latvian ancestry (2020 American Community Survey). A concentration measure: Latvian residents as a percentage of total population. This list covers the 36 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 Latvian population share by state

RANKPLACESTATEPOPLATVIAN SHAREVS 2010

01McHenry County, ILIL317,7510.1%+0.1 pts

02Lake County, ILIL719,3390.1%−0.0 pts

03Fayette County, ILIL20,7900.1%–

04Warren County, ILIL16,2220.1%–

05Carroll County, ILIL15,4190.1%–

06LaSalle County, ILIL107,7730.1%+0.0 pts

07DuPage County, ILIL934,2980.1%−0.1 pts

08Lawrence County, ILIL13,7900.1%–

09Cook County, ILIL5,194,6250.0%−0.0 pts

10Grundy County, ILIL54,0520.0%–

11Kendall County, ILIL145,4700.0%−0.1 pts

12Lee County, ILIL32,9140.0%+0.0 pts

13Will County, ILIL712,2530.0%−0.0 pts

14Winnebago County, ILIL283,6740.0%−0.0 pts

15Bureau County, ILIL32,5100.0%–

16Jo Daviess County, ILIL21,5940.0%–

17DeKalb County, ILIL101,8350.0%−0.0 pts

18Macon County, ILIL99,3000.0%–

19Sangamon County, ILIL194,1700.0%+0.0 pts

20Franklin County, ILIL36,9160.0%–

21Kane County, ILIL525,7570.0%−0.0 pts

22Cass County, ILIL12,4630.0%–

23Jackson County, ILIL52,5010.0%−0.1 pts

24Champaign County, ILIL209,9720.0%−0.0 pts

25Logan County, ILIL27,1820.0%–

26Marshall County, ILIL11,4730.0%–

27Madison County, ILIL263,1100.0%–

28Monroe County, ILIL34,8400.0%–

29Rock Island County, ILIL141,8690.0%+0.0 pts

30McLean County, ILIL171,4190.0%−0.0 pts

31Stephenson County, ILIL43,2200.0%−0.0 pts

32Ogle County, ILIL51,3990.0%–

33Kankakee County, ILIL105,5250.0%−0.0 pts

34Hancock County, ILIL16,8030.0%−0.0 pts

35St. Clair County, ILIL250,7080.0%−0.0 pts

36Tazewell County, ILIL130,0490.0%–

SHOWING 1–36 OF 36

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