Ranking of Illinois Counties By Population with Iranian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 11.18K people in Illinois with Iranian ancestry. Among all Illinois counties, Cook County had the highest population with Iranian ancestry (6.34K), followed by DuPage County (1.74K), and Lake County (1.04K).
The chart and table below shows the top 10 counties with high number of people with Iranian ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with Iranian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 6338 |
| 2 | DuPage County | 1736 |
| 3 | Lake County | 1044 |
| 4 | Champaign County | 476 |
| 5 | Will County | 437 |
| 6 | Kane County | 376 |
| 7 | St. Clair County | 65 |
| 8 | Winnebago County | 64 |
| 9 | Madison County | 62 |
| 9 | Peoria County | 62 |
| 10 | Jackson County | 59 |
| 11 | Kendall County | 50 |
| 12 | Rock Island County | 45 |
| 13 | McLean County | 42 |
| 14 | Whiteside County | 40 |
| 15 | McHenry County | 38 |
| 16 | Richland County | 23 |
| 17 | Clinton County | 21 |
| 18 | Sangamon County | 18 |
| 19 | Tazewell County | 17 |
| 20 | Knox County | 16 |
| 20 | McDonough County | 16 |
| 21 | Henry County | 15 |
| 22 | LaSalle County | 14 |
| 23 | Adams County | 13 |
| 24 | Williamson County | 12 |
| 25 | Wayne County | 11 |
| 26 | DeKalb County | 10 |
| 27 | Stephenson County | 9 |
| 27 | Washington County | 9 |
| 28 | Edwards County | 8 |
| 28 | Morgan County | 8 |
| 29 | Effingham County | 7 |
| 29 | Montgomery County | 7 |
| 30 | Massac County | 6 |
| 31 | Crawford County | 3 |
| 31 | Jersey County | 3 |