RANKING · 2020 CENSUS · 85 SHOWN OF 85

Highest Belgian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Belgian ancestry (2023 American Community Survey). A concentration measure: Belgian residents as a percentage of total population. This list covers the 85 counties in Illinois that qualify, ranked against each other statewide.

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 SHAREVS 2000

01Henry County, ILIL48,0956.8%–

02Rock Island County, ILIL141,8693.2%–

03Bureau County, ILIL32,5101.4%–

04Mercer County, ILIL15,2291.3%–

05Whiteside County, ILIL54,1210.8%–

06Marshall County, ILIL11,4730.6%–

07Lee County, ILIL32,9140.5%–

08Scott County, ILIL4,8660.5%–

09Gallatin County, ILIL4,6160.5%–

10Stephenson County, ILIL43,2200.4%–

11Warren County, ILIL16,2220.4%–

12Brown County, ILIL6,4010.3%–

13Stark County, ILIL5,3190.3%–

14Kendall County, ILIL145,4700.3%–

15Carroll County, ILIL15,4190.3%–

16Vermilion County, ILIL71,2590.3%–

17Hamilton County, ILIL7,8590.3%–

18Tazewell County, ILIL130,0490.3%–

19Hancock County, ILIL16,8030.3%–

20Boone County, ILIL53,5680.3%–

21Montgomery County, ILIL28,0760.3%–

22DeKalb County, ILIL101,8350.3%–

23Iroquois County, ILIL26,1500.2%–

24LaSalle County, ILIL107,7730.2%–

25Kane County, ILIL525,7570.2%–

26Woodford County, ILIL38,1110.2%–

27Jo Daviess County, ILIL21,5940.2%–

28De Witt County, ILIL15,1180.2%–

29Ford County, ILIL13,2160.2%–

30Livingston County, ILIL35,0570.2%–

31McHenry County, ILIL317,7510.2%–

32Crawford County, ILIL18,6480.2%–

33Knox County, ILIL47,7670.2%–

34Lake County, ILIL719,3390.2%–

35Grundy County, ILIL54,0520.2%–

36Fulton County, ILIL32,9010.2%–

37Putnam County, ILIL5,6190.2%–

38McLean County, ILIL171,4190.1%–

39DuPage County, ILIL934,2980.1%–

40Williamson County, ILIL67,2250.1%–

41Will County, ILIL712,2530.1%–

42Winnebago County, ILIL283,6740.1%–

43Ogle County, ILIL51,3990.1%–

44Henderson County, ILIL5,9840.1%–

45Mason County, ILIL12,4110.1%–

46Lawrence County, ILIL13,7900.1%–

47Peoria County, ILIL178,5530.1%–

48Christian County, ILIL33,4430.1%–

49Piatt County, ILIL16,7910.1%–

50Madison County, ILIL263,1100.1%–

51Adams County, ILIL64,2670.1%–

52Cook County, ILIL5,194,6250.1%–

53Champaign County, ILIL209,9720.1%–

54Kankakee County, ILIL105,5250.1%–

55Clay County, ILIL12,7930.1%–

56Logan County, ILIL27,1820.1%–

57Bond County, ILIL16,9590.1%–

58Johnson County, ILIL13,3630.1%–

59Franklin County, ILIL36,9160.1%–

60Coles County, ILIL46,6070.1%–

61Shelby County, ILIL20,5760.1%–

62Greene County, ILIL11,3130.1%–

63Morgan County, ILIL32,5150.1%–

64Macon County, ILIL99,3000.1%–

65St. Clair County, ILIL250,7080.1%–

66Effingham County, ILIL34,5190.1%–

67Clark County, ILIL15,1140.1%–

68Sangamon County, ILIL194,1700.1%–

69Monroe County, ILIL34,8400.1%–

70Randolph County, ILIL29,9210.1%–

71Jackson County, ILIL52,5010.1%–

72Alexander County, ILIL4,5700.0%–

73Moultrie County, ILIL14,3710.0%–

74Union County, ILIL16,6560.0%–

75McDonough County, ILIL25,9160.0%–

76Jefferson County, ILIL36,1470.0%–

77Edwards County, ILIL5,8980.0%–

78Edgar County, ILIL16,3230.0%–

79Clinton County, ILIL37,1280.0%–

80Richland County, ILIL15,2190.0%–

81White County, ILIL13,2500.0%–

82Massac County, ILIL13,5020.0%–

83Macoupin County, ILIL43,7480.0%–

84Douglas County, ILIL19,8800.0%–

85Washington County, ILIL13,5640.0%–

SHOWING 1–85 OF 85

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES