RANKING · 2024 ACS · 81 SHOWN OF 81

Largest Belgian population, Illinois counties

Illinois counties ranked by the number of residents who are Belgian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 81 counties in Illinois that qualify, ranked against each other statewide. The median across all 81 is 30. Biggest climber in the top 100 since 2020: Macoupin County, IL, up 41 places to #33.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPBELGIAN POPULATIONVS 2010

01Cook County, ILIL5,194,6255,027−18%

02Rock Island County, ILIL141,8694,334−42%

03Henry County, ILIL48,0952,727−21%

04DuPage County, ILIL934,2981,363−38%

05Lake County, ILIL719,3391,061−48%

06Kane County, ILIL525,757696−55%

07Will County, ILIL712,253545−50%

08McHenry County, ILIL317,751515−32%

09▲4Tazewell County, ILIL130,049480+59%

10▲7McLean County, ILIL171,4194110%

11▼1Whiteside County, ILIL54,121360−42%

12▲6Peoria County, ILIL178,553325−58%

13▲8Mercer County, ILIL15,229295−7%

14▼2Winnebago County, ILIL283,674295−54%

15▼4Kendall County, ILIL145,470269+1%

16▼7Bureau County, ILIL32,510267−42%

17▲12Knox County, ILIL47,767233+65%

18▲10Williamson County, ILIL67,225215+82%

19Vermilion County, ILIL71,259179−60%

20▼4LaSalle County, ILIL107,773165−40%

21▼6DeKalb County, ILIL101,835154−62%

22▲14Ogle County, ILIL51,399144−22%

23▲1Lee County, ILIL32,914138+126%

24▼10Madison County, ILIL263,110118−57%

25▼5Champaign County, ILIL209,972103−68%

26Sangamon County, ILIL194,17098−79%

27▲4Adams County, ILIL64,26769+138%

28▲2Grundy County, ILIL54,05269−18%

29▼6Stephenson County, ILIL43,22069+263%

30▼8St. Clair County, ILIL250,70864−63%

31▲6Iroquois County, ILIL26,15052−63%

32▲1Macon County, ILIL99,30052−64%

33▲41Macoupin County, ILIL43,74852+27%

34▲4Livingston County, ILIL35,05751−2%

35▲10Christian County, ILIL33,44344−70%

36▼4Woodford County, ILIL38,11144−74%

37▼12Boone County, ILIL53,56837−65%

38▲20Monroe County, ILIL34,84036+414%

39▼12Kankakee County, ILIL105,52535−87%

40▲1Hancock County, ILIL16,80332−51%

41▲1Carroll County, ILIL15,41930+30%

42▲24Jefferson County, ILIL36,14729+81%

43▲21Stark County, ILIL5,31928−60%

44▼5Warren County, ILIL16,22228+65%

45▼2Jo Daviess County, ILIL21,59427−21%

46▲5Ford County, ILIL13,21626+37%

47▲20McDonough County, ILIL25,91624−69%

48Cass County, ILIL12,46321−65%

49▲7Effingham County, ILIL34,51920+900%

50Hardin County, ILIL3,58819–

51▲19Clinton County, ILIL37,12818+100%

52▲13Bond County, ILIL16,95917−11%

53▼1Morgan County, ILIL32,51517−69%

54▼5Jackson County, ILIL52,50116−43%

55▼5Logan County, ILIL27,18216−72%

56▲23Richland County, ILIL15,21914+250%

57Lawrence County, ILIL13,79013–

58▲3Mason County, ILIL12,41113−41%

59Fayette County, ILIL20,79012+9%

60▲25Washington County, ILIL13,56412–

61▲10Clark County, ILIL15,11411–

62▲6Clay County, ILIL12,79311–

63▲18Douglas County, ILIL19,88011+267%

64Wayne County, ILIL15,88211–

65Saline County, ILIL22,77210−94%

66▼19Crawford County, ILIL18,6489−40%

67▼8Brown County, ILIL6,4019–

68▲16Edwards County, ILIL5,8988+33%

69Marion County, ILIL36,3828−90%

70▲5Putnam County, ILIL5,6198−64%

71Cumberland County, ILIL10,2087−46%

72▼32Fulton County, ILIL32,9017−87%

73Perry County, ILIL20,1607–

74▼11Shelby County, ILIL20,5767–

75▼15Piatt County, ILIL16,7916−80%

76▼30Franklin County, ILIL36,9165−77%

77▼8Johnson County, ILIL13,36340%

78▲2Alexander County, ILIL4,57020%

79▼24Scott County, ILIL4,8662−67%

80▼46Montgomery County, ILIL28,0761−96%

81Wabash County, ILIL10,9071–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES