Ranking of Illinois Counties By 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. Among all Illinois counties, Cook County had the highest population with Italian ancestry (263.95K), followed by DuPage County (99.24K), and Will County (64.82K).
The chart and table below shows the top 10 counties with high number of people with 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 Population with Italian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 263947 |
| 2 | DuPage County | 99239 |
| 3 | Will County | 64820 |
| 4 | Lake County | 42706 |
| 5 | Kane County | 39789 |
| 6 | McHenry County | 31965 |
| 7 | Winnebago County | 19749 |
| 8 | Madison County | 10985 |
| 9 | Kendall County | 10296 |
| 10 | LaSalle County | 9999 |
| 11 | Sangamon County | 9432 |
| 12 | St. Clair County | 7517 |
| 13 | DeKalb County | 7311 |
| 14 | Peoria County | 6569 |
| 15 | Grundy County | 6211 |
| 16 | Champaign County | 5859 |
| 17 | Tazewell County | 5846 |
| 18 | McLean County | 5804 |
| 19 | Kankakee County | 5275 |
| 20 | Rock Island County | 3875 |
| 21 | Boone County | 3850 |
| 22 | Williamson County | 3401 |
| 23 | Bureau County | 2996 |
| 24 | Ogle County | 2635 |
| 25 | Macoupin County | 2383 |
| 26 | Franklin County | 2090 |
| 27 | Jackson County | 2033 |
| 28 | Macon County | 1992 |
| 29 | Livingston County | 1678 |
| 30 | Christian County | 1520 |
| 31 | Woodford County | 1518 |
| 32 | Adams County | 1457 |
| 33 | Montgomery County | 1455 |
| 34 | Whiteside County | 1406 |
| 35 | Vermilion County | 1315 |
| 36 | Monroe County | 1240 |
| 37 | Morgan County | 1231 |
| 38 | Lee County | 1194 |
| 39 | Fulton County | 1193 |
| 40 | Coles County | 1142 |
| 41 | Henry County | 1139 |
| 42 | Stephenson County | 1138 |
| 43 | Iroquois County | 1091 |
| 44 | Knox County | 1074 |
| 45 | Putnam County | 935 |
| 46 | Jersey County | 852 |
| 47 | McDonough County | 826 |
| 48 | Logan County | 780 |
| 49 | Marion County | 759 |
| 50 | Jo Daviess County | 749 |
| 51 | Marshall County | 743 |
| 52 | Perry County | 742 |
| 53 | Randolph County | 741 |
| 54 | Clinton County | 726 |
| 55 | Effingham County | 687 |
| 56 | Saline County | 680 |
| 57 | Jefferson County | 614 |
| 58 | Menard County | 601 |
| 59 | Bond County | 580 |
| 60 | Fayette County | 549 |
| 61 | De Witt County | 428 |
| 62 | Hancock County | 414 |
| 63 | Edgar County | 399 |
| 64 | Piatt County | 394 |
| 65 | Carroll County | 370 |
| 66 | Ford County | 367 |
| 67 | Crawford County | 361 |
| 68 | Moultrie County | 358 |
| 69 | Warren County | 333 |
| 70 | Washington County | 291 |
| 71 | Mason County | 283 |
| 72 | Clark County | 275 |
| 73 | Shelby County | 260 |
| 74 | Mercer County | 250 |
| 75 | Union County | 229 |
| 76 | Pike County | 228 |
| 77 | Douglas County | 220 |
| 78 | Johnson County | 211 |
| 79 | Cumberland County | 206 |
| 80 | Greene County | 203 |
| 81 | Clay County | 186 |
| 82 | Cass County | 183 |
| 83 | Richland County | 179 |
| 84 | Wayne County | 178 |
| 85 | Calhoun County | 176 |
| 86 | Scott County | 173 |
| 87 | Massac County | 169 |
| 87 | Schuyler County | 169 |
| 88 | Henderson County | 150 |
| 89 | Lawrence County | 137 |
| 90 | Stark County | 126 |
| 91 | Jasper County | 118 |
| 92 | White County | 103 |
| 93 | Pope County | 94 |
| 94 | Brown County | 62 |
| 95 | Gallatin County | 60 |
| 96 | Wabash County | 43 |
| 97 | Hamilton County | 37 |
| 97 | Pulaski County | 37 |
| 98 | Edwards County | 30 |
| 98 | Hardin County | 30 |
| 99 | Alexander County | 21 |
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