Ranking of Illinois Counties By Percentage of Population with Italian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 719.47K people in Illinois with Italian ancestry (5.61% of Illinois population). Among all Illinois counties, Putnam County had the highest percentage of its population with Italian ancestry (16.58%), followed by Grundy County (11.86%), and DuPage County (10.62%).
The chart and table below shows the top 10 counties with high percentage of its population having Italian 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 Italian Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Putnam County | 16.58 |
| 2 | Grundy County | 11.86 |
| 3 | DuPage County | 10.62 |
| 4 | McHenry County | 10.29 |
| 5 | Will County | 9.31 |
| 6 | LaSalle County | 9.09 |
| 7 | Bureau County | 8.99 |
| 8 | Kendall County | 7.87 |
| 9 | Kane County | 7.67 |
| 10 | DeKalb County | 7.24 |
| 11 | Boone County | 7.18 |
| 12 | Winnebago County | 6.92 |
| 13 | Marshall County | 6.31 |
| 14 | Lake County | 5.98 |
| 15 | Franklin County | 5.49 |
| 16 | Macoupin County | 5.28 |
| 17 | Montgomery County | 5.11 |
| 18 | Ogle County | 5.09 |
| 19 | Williamson County | 5.06 |
| 20 | Cook County | 5.01 |
| 21 | Kankakee County | 4.88 |
| 22 | Menard County | 4.87 |
| 23 | Sangamon County | 4.79 |
| 24 | Livingston County | 4.67 |
| 25 | Christian County | 4.47 |
| 26 | Tazewell County | 4.43 |
| 27 | Madison County | 4.13 |
| 28 | Iroquois County | 3.99 |
| 29 | Jersey County | 3.96 |
| 30 | Woodford County | 3.94 |
| 31 | Calhoun County | 3.88 |
| 32 | Jackson County | 3.79 |
| 33 | Morgan County | 3.71 |
| 34 | Peoria County | 3.60 |
| 35 | Monroe County | 3.57 |
| 36 | Fulton County | 3.51 |
| 36 | Perry County | 3.51 |
| 36 | Scott County | 3.51 |
| 37 | Lee County | 3.47 |
| 38 | Bond County | 3.45 |
| 39 | Jo Daviess County | 3.41 |
| 40 | McLean County | 3.39 |
| 41 | McDonough County | 2.98 |
| 42 | St. Clair County | 2.91 |
| 43 | Saline County | 2.85 |
| 44 | Champaign County | 2.84 |
| 45 | Logan County | 2.76 |
| 46 | De Witt County | 2.73 |
| 47 | Ford County | 2.70 |
| 48 | Rock Island County | 2.68 |
| 49 | Fayette County | 2.55 |
| 50 | Stephenson County | 2.54 |
| 51 | Whiteside County | 2.51 |
| 52 | Pope County | 2.46 |
| 53 | Moultrie County | 2.45 |
| 54 | Schuyler County | 2.43 |
| 55 | Randolph County | 2.42 |
| 56 | Coles County | 2.40 |
| 57 | Carroll County | 2.37 |
| 58 | Piatt County | 2.36 |
| 59 | Edgar County | 2.35 |
| 60 | Hancock County | 2.33 |
| 61 | Stark County | 2.32 |
| 62 | Henderson County | 2.31 |
| 62 | Henry County | 2.31 |
| 63 | Adams County | 2.21 |
| 64 | Knox County | 2.14 |
| 64 | Mason County | 2.14 |
| 65 | Washington County | 2.11 |
| 66 | Marion County | 2.01 |
| 67 | Effingham County | 1.99 |
| 68 | Warren County | 1.97 |
| 69 | Clinton County | 1.96 |
| 69 | Cumberland County | 1.96 |
| 70 | Crawford County | 1.92 |
| 71 | Macon County | 1.91 |
| 72 | Clark County | 1.76 |
| 73 | Vermilion County | 1.75 |
| 74 | Greene County | 1.67 |
| 75 | Jefferson County | 1.64 |
| 76 | Johnson County | 1.59 |
| 77 | Mercer County | 1.58 |
| 78 | Pike County | 1.53 |
| 79 | Cass County | 1.40 |
| 79 | Clay County | 1.40 |
| 80 | Union County | 1.33 |
| 81 | Jasper County | 1.27 |
| 82 | Shelby County | 1.23 |
| 83 | Gallatin County | 1.19 |
| 84 | Massac County | 1.18 |
| 85 | Richland County | 1.13 |
| 86 | Douglas County | 1.12 |
| 87 | Wayne County | 1.10 |
| 88 | Brown County | 0.98 |
| 89 | Lawrence County | 0.89 |
| 90 | Hardin County | 0.81 |
| 91 | White County | 0.74 |
| 92 | Pulaski County | 0.70 |
| 93 | Edwards County | 0.48 |
| 94 | Hamilton County | 0.46 |
| 95 | Alexander County | 0.38 |
| 95 | Wabash County | 0.38 |
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