Ranking of Illinois Counties By Population with Belgian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 25.28K people in Illinois with Belgian ancestry. Among all Illinois counties, Cook County had the highest population with Belgian ancestry (5.47K), followed by Rock Island County (4.56K), and Henry County (3.19K).
The chart and table below shows the top 10 counties with high number of people with Belgian 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 Belgian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 5465 |
| 2 | Rock Island County | 4559 |
| 3 | Henry County | 3191 |
| 4 | DuPage County | 1544 |
| 5 | Lake County | 1164 |
| 6 | Will County | 925 |
| 7 | Kane County | 881 |
| 8 | McHenry County | 630 |
| 9 | Whiteside County | 512 |
| 10 | Winnebago County | 456 |
| 11 | Kendall County | 405 |
| 12 | McLean County | 333 |
| 13 | Tazewell County | 327 |
| 14 | Bureau County | 321 |
| 15 | Madison County | 306 |
| 16 | LaSalle County | 295 |
| 17 | Mercer County | 244 |
| 18 | Williamson County | 241 |
| 19 | Vermilion County | 238 |
| 20 | Stephenson County | 230 |
| 21 | Boone County | 228 |
| 22 | Champaign County | 203 |
| 23 | Lee County | 196 |
| 24 | Peoria County | 195 |
| 25 | DeKalb County | 163 |
| 26 | Monroe County | 162 |
| 27 | Sangamon County | 137 |
| 28 | Grundy County | 124 |
| 29 | Knox County | 121 |
| 30 | Macon County | 87 |
| 31 | Ogle County | 78 |
| 31 | Woodford County | 78 |
| 32 | St. Clair County | 76 |
| 33 | Livingston County | 74 |
| 34 | Kankakee County | 71 |
| 35 | Iroquois County | 69 |
| 36 | Hancock County | 58 |
| 37 | Piatt County | 57 |
| 38 | Christian County | 45 |
| 39 | Jo Daviess County | 43 |
| 40 | Franklin County | 42 |
| 40 | Logan County | 42 |
| 40 | Warren County | 42 |
| 41 | Montgomery County | 40 |
| 42 | Carroll County | 34 |
| 43 | Coles County | 33 |
| 44 | Crawford County | 31 |
| 45 | McDonough County | 28 |
| 46 | Hamilton County | 24 |
| 46 | Stark County | 24 |
| 47 | De Witt County | 22 |
| 47 | Marshall County | 22 |
| 48 | Cass County | 20 |
| 48 | Effingham County | 20 |
| 48 | Gallatin County | 20 |
| 48 | Jackson County | 20 |
| 48 | Lawrence County | 20 |
| 49 | Fulton County | 19 |
| 50 | Bond County | 18 |
| 50 | Brown County | 18 |
| 51 | Ford County | 16 |
| 52 | Mason County | 15 |
| 53 | Morgan County | 14 |
| 53 | Scott County | 14 |
| 54 | Shelby County | 13 |
| 55 | Clay County | 12 |
| 56 | Clinton County | 11 |
| 56 | Douglas County | 11 |
| 56 | Edwards County | 11 |
| 56 | Wayne County | 11 |
| 57 | Clark County | 10 |
| 58 | Jefferson County | 9 |
| 59 | Henderson County | 8 |
| 59 | Macoupin County | 8 |
| 59 | Randolph County | 8 |
| 60 | Fayette County | 7 |
| 60 | Putnam County | 7 |
| 61 | Richland County | 5 |
| 62 | Edgar County | 4 |
| 62 | Johnson County | 4 |
| 63 | Alexander County | 3 |
| 63 | Massac County | 3 |
| 63 | White County | 3 |
| 64 | Greene County | 2 |