Ranking of Illinois Counties By Population with Bulgarian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 17.20K people in Illinois with Bulgarian ancestry. Among all Illinois counties, Cook County had the highest population with Bulgarian ancestry (11.99K), followed by DuPage County (2.31K), and Lake County (1.24K).

The chart and table below shows the top 10 counties with high number of people with Bulgarian ancestry.

You can see similar information for other states and for other ancestry groups in Illinois.

Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with Bulgarian Ancestry in 2021
Cook County
DuPage County
Lake County
Kane County
Will County
Madison County
McHenry County
Jackson County
DeKalb County
Rock Island County
Ranking of Illinois Counties By Population with Bulgarian Ancestry in 2021
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Rank County Population
1 Cook County 11985
2 DuPage County 2311
3 Lake County 1236
4 Kane County 220
5 Will County 214
6 Madison County 210
7 McHenry County 134
8 Jackson County 130
9 DeKalb County 80
9 Rock Island County 80
10 Kendall County 75
11 Ogle County 63
12 Lee County 53
13 Grundy County 47
14 Winnebago County 42
15 Adams County 38
16 Kankakee County 28
16 St. Clair County 28
17 Edgar County 27
18 Champaign County 21
18 Jefferson County 21
19 Clinton County 20
20 Peoria County 19
20 Sangamon County 19
21 White County 18
21 Whiteside County 18
22 Washington County 10
23 Christian County 9
23 Fayette County 9
24 Marion County 8
25 Menard County 7
26 Macoupin County 6
26 Tazewell County 6
27 LaSalle County 5
28 Greene County 3