RANKING · 2020 CENSUS · 85 SHOWN OF 85

Largest Belgian population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Belgian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 85 counties in Illinois that qualify, ranked against each other statewide. The median across all 85 is 42.

Belgian Americans: full group profile →

IllinoisAll states All rankings

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, ILIL5,194,6255,413−11%

02Rock Island County, ILIL141,8694,585−38%

03Henry County, ILIL48,0953,344−3%

04DuPage County, ILIL934,2981,371−38%

05Lake County, ILIL719,3391,127−45%

06Kane County, ILIL525,7571,074−30%

07Will County, ILIL712,253987−10%

08McHenry County, ILIL317,751559−26%

09Bureau County, ILIL32,510476+3%

10Whiteside County, ILIL54,121423−32%

11Kendall County, ILIL145,470397+49%

12Winnebago County, ILIL283,674391−39%

13Tazewell County, ILIL130,049367+22%

14Madison County, ILIL263,110310+14%

15DeKalb County, ILIL101,835263−36%

16LaSalle County, ILIL107,773261−6%

17McLean County, ILIL171,419258−37%

18Peoria County, ILIL178,553233−70%

19Vermilion County, ILIL71,259225−50%

20Champaign County, ILIL209,972210−36%

21Mercer County, ILIL15,229197−38%

22St. Clair County, ILIL250,708187+7%

23Stephenson County, ILIL43,220180+847%

24Lee County, ILIL32,914162+166%

25Boone County, ILIL53,568142+34%

26Sangamon County, ILIL194,170124−73%

27Kankakee County, ILIL105,525109−60%

28Williamson County, ILIL67,22599−16%

29Knox County, ILIL47,76787−38%

30Grundy County, ILIL54,05281−4%

31Adams County, ILIL64,26776+162%

32Woodford County, ILIL38,11176−55%

33Macon County, ILIL99,30075−48%

34Montgomery County, ILIL28,07673+192%

35Marshall County, ILIL11,47369+527%

36Ogle County, ILIL51,39968−63%

37Iroquois County, ILIL26,15067−53%

38Livingston County, ILIL35,05766+27%

39Warren County, ILIL16,22264+276%

40Fulton County, ILIL32,90155+2%

41Hancock County, ILIL16,80349−25%

42Carroll County, ILIL15,41943+87%

43Jo Daviess County, ILIL21,59442+24%

44Coles County, ILIL46,60741+17%

45Christian County, ILIL33,44340−73%

46Franklin County, ILIL36,91637+68%

47Crawford County, ILIL18,64833+120%

48De Witt County, ILIL15,11830+67%

49Jackson County, ILIL52,50129+4%

50Logan County, ILIL27,18228−52%

51Ford County, ILIL13,21625+32%

52Morgan County, ILIL32,51525−55%

53Gallatin County, ILIL4,61623–

54Hamilton County, ILIL7,85923+360%

55Scott County, ILIL4,86623+283%

56Effingham County, ILIL34,51922+1000%

57Lawrence County, ILIL13,79021–

58Monroe County, ILIL34,84021+200%

59Brown County, ILIL6,40121–

60Piatt County, ILIL16,79120−33%

61Mason County, ILIL12,41118−18%

62Randolph County, ILIL29,92118+100%

63Shelby County, ILIL20,57617–

64Stark County, ILIL5,31917−76%

65Bond County, ILIL16,95916−16%

66Jefferson County, ILIL36,14715−6%

67McDonough County, ILIL25,91614−82%

68Clay County, ILIL12,79313–

69Johnson County, ILIL13,36312+200%

70Clinton County, ILIL37,12810+11%

71Clark County, ILIL15,11410–

72Greene County, ILIL11,31310+100%

73Henderson County, ILIL5,9849+200%

74Macoupin County, ILIL43,7489−78%

75Putnam County, ILIL5,6199−59%

76Union County, ILIL16,6568+100%

77Moultrie County, ILIL14,3717+17%

78Edgar County, ILIL16,3235+150%

79Richland County, ILIL15,21940%

80Alexander County, ILIL4,5703+50%

81Douglas County, ILIL19,88030%

82Massac County, ILIL13,5023–

83White County, ILIL13,2503−95%

84Edwards County, ILIL5,8982−67%

85Washington County, ILIL13,5642–

SHOWING 1–85 OF 85

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS