Ranking of Illinois Counties By Percentage of Population with Croatian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 37.70K people in Illinois with Croatian ancestry (0.29% of Illinois population). Among all Illinois counties, Marshall County had the highest percentage of its population with Croatian ancestry (0.88%), followed by Macoupin County (0.73%), and Fulton County (0.72%).
The chart and table below shows the top 10 counties with high percentage of its population having Croatian 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 Percentage of Population with Croatian Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Marshall County | 0.88 |
| 2 | Macoupin County | 0.73 |
| 3 | Fulton County | 0.72 |
| 4 | Will County | 0.70 |
| 5 | Grundy County | 0.65 |
| 6 | Putnam County | 0.60 |
| 7 | Henderson County | 0.56 |
| 8 | Madison County | 0.54 |
| 9 | Kendall County | 0.48 |
| 10 | DuPage County | 0.46 |
| 11 | Jo Daviess County | 0.41 |
| 12 | Monroe County | 0.33 |
| 13 | Cook County | 0.32 |
| 14 | Carroll County | 0.28 |
| 14 | Peoria County | 0.28 |
| 15 | Kankakee County | 0.27 |
| 16 | Kane County | 0.26 |
| 16 | Lake County | 0.26 |
| 16 | Richland County | 0.26 |
| 17 | Greene County | 0.24 |
| 18 | Franklin County | 0.23 |
| 18 | McHenry County | 0.23 |
| 18 | St. Clair County | 0.23 |
| 19 | Logan County | 0.22 |
| 20 | Mercer County | 0.18 |
| 21 | Knox County | 0.17 |
| 22 | DeKalb County | 0.16 |
| 22 | White County | 0.16 |
| 23 | LaSalle County | 0.15 |
| 24 | Crawford County | 0.14 |
| 24 | Rock Island County | 0.14 |
| 24 | Williamson County | 0.14 |
| 25 | Henry County | 0.13 |
| 26 | Jackson County | 0.12 |
| 26 | McLean County | 0.12 |
| 26 | Sangamon County | 0.12 |
| 26 | Woodford County | 0.12 |
| 27 | Champaign County | 0.11 |
| 27 | Edgar County | 0.11 |
| 27 | Montgomery County | 0.11 |
| 28 | Jefferson County | 0.10 |
| 28 | Scott County | 0.10 |
| 29 | McDonough County | 0.09 |
| 29 | Marion County | 0.09 |
| 29 | Wayne County | 0.09 |
| 29 | Winnebago County | 0.09 |
| 30 | Clinton County | 0.08 |
| 30 | Morgan County | 0.08 |
| 30 | Pike County | 0.08 |
| 30 | Tazewell County | 0.08 |
| 31 | Adams County | 0.07 |
| 31 | Christian County | 0.07 |
| 31 | Lee County | 0.07 |
| 31 | Ogle County | 0.07 |
| 31 | Perry County | 0.07 |
| 32 | Boone County | 0.06 |
| 32 | Fayette County | 0.06 |
| 32 | Iroquois County | 0.06 |
| 32 | Jersey County | 0.06 |
| 32 | Shelby County | 0.06 |
| 33 | Bureau County | 0.05 |
| 33 | Coles County | 0.05 |
| 33 | Lawrence County | 0.05 |
| 33 | Macon County | 0.05 |
| 33 | Stephenson County | 0.05 |
| 33 | Union County | 0.05 |
| 33 | Whiteside County | 0.05 |
| 34 | Mason County | 0.04 |
| 34 | Piatt County | 0.04 |
| 35 | Cumberland County | 0.03 |
| 35 | Saline County | 0.03 |
| 35 | Vermilion County | 0.03 |
| 36 | Cass County | 0.02 |
| 36 | Effingham County | 0.02 |
| 36 | Ford County | 0.02 |
| 36 | Johnson County | 0.02 |
| 37 | Clark County | 0.01 |
| 37 | Randolph County | 0.01 |