RANKING · 2010 CENSUS · 32 SHOWN OF 32

Largest Bulgarian population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Bulgarian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 32 counties in Illinois that qualify, ranked against each other statewide. The median across all 32 is 27.

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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

Largest Bulgarian population by state

RANKPLACESTATEPOPBULGARIAN POPULATIONVS –

01Cook County, ILIL5,194,6259,665–

02DuPage County, ILIL934,2981,366–

03Lake County, ILIL719,339929–

04Madison County, ILIL263,110510–

05Will County, ILIL712,253336–

06Kane County, ILIL525,757321–

07St. Clair County, ILIL250,708167–

08Peoria County, ILIL178,55391–

09Champaign County, ILIL209,97279–

10McHenry County, ILIL317,75178–

11DeKalb County, ILIL101,83575–

12Tazewell County, ILIL130,04957–

13Williamson County, ILIL67,22555–

14Jefferson County, ILIL36,14738–

15Henry County, ILIL48,09530–

16Franklin County, ILIL36,91627–

17Jackson County, ILIL52,50126–

18Piatt County, ILIL16,79123–

19Clark County, ILIL15,11421–

20Sangamon County, ILIL194,17019–

21Edgar County, ILIL16,32316–

22Macon County, ILIL99,30016–

23Winnebago County, ILIL283,67416–

24McLean County, ILIL171,41914–

25Marion County, ILIL36,38214–

26Kankakee County, ILIL105,52513–

27Rock Island County, ILIL141,86913–

28LaSalle County, ILIL107,77312–

29Hancock County, ILIL16,80310–

30Iroquois County, ILIL26,1509–

31Knox County, ILIL47,7679–

32Livingston County, ILIL35,0573–

SHOWING 1–32 OF 32

Download CSV (full list, 32 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS