RANKING · 2024 ACS · 31 SHOWN OF 31

Highest Latvian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Latvian ancestry (2024 American Community Survey). A concentration measure: Latvian residents as a percentage of total population. This list covers the 31 counties in Illinois that qualify, ranked against each other statewide. The median across all 31 is 0.0%. Biggest climber in the top 100 since 2020: Ogle County, IL, up 31 places to #1.

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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

01▲31Ogle County, ILIL51,3990.1%–

02Lake County, ILIL719,3390.1%−0.1 pts

03Fayette County, ILIL20,7900.1%–

04▼3McHenry County, ILIL317,7510.1%0.0 pts

05▲2DuPage County, ILIL934,2980.1%0.0 pts

06▲12Macon County, ILIL99,3000.1%–

07▲2Cook County, ILIL5,194,6250.0%0.0 pts

08▲8Jo Daviess County, ILIL21,5940.0%–

09Coles County, ILIL46,6070.0%0.0 pts

10Hamilton County, ILIL7,8590.0%–

11▲22Kankakee County, ILIL105,5250.0%0.0 pts

12▲24Tazewell County, ILIL130,0490.0%–

13▲4DeKalb County, ILIL101,8350.0%0.0 pts

14▼4Grundy County, ILIL54,0520.0%–

15▲4Sangamon County, ILIL194,1700.0%0.0 pts

16▲5Kane County, ILIL525,7570.0%0.0 pts

17▲13McLean County, ILIL171,4190.0%0.0 pts

18▼5Will County, ILIL712,2530.0%0.0 pts

19▲15Hancock County, ILIL16,8030.0%0.0 pts

20▲9Rock Island County, ILIL141,8690.0%0.0 pts

21▼15LaSalle County, ILIL107,7730.0%0.0 pts

22▼10Lee County, ILIL32,9140.0%0.0 pts

23▼12Kendall County, ILIL145,4700.0%−0.1 pts

24▲3Madison County, ILIL263,1100.0%–

25▼1Champaign County, ILIL209,9720.0%0.0 pts

26▲9St. Clair County, ILIL250,7080.0%0.0 pts

27Peoria County, ILIL178,5530.0%0.0 pts

28▼14Winnebago County, ILIL283,6740.0%0.0 pts

29Wayne County, ILIL15,8820.0%0.0 pts

30▼7Jackson County, ILIL52,5010.0%−0.1 pts

31Macoupin County, ILIL43,7480.0%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES