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 (2020 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.

Belgian Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPBELGIAN SHAREVS 2010

01Henry County, ILIL48,0956.8%−0.0 pts

02Rock Island County, ILIL141,8693.2%−1.8 pts

03Bureau County, ILIL32,5101.4%+0.1 pts

04Mercer County, ILIL15,2291.3%−0.6 pts

05Whiteside County, ILIL54,1210.8%−0.3 pts

06Marshall County, ILIL11,4730.6%+0.5 pts

07Lee County, ILIL32,9140.5%+0.3 pts

08Scott County, ILIL4,8660.5%+0.4 pts

09Gallatin County, ILIL4,6160.5%–

10Stephenson County, ILIL43,2200.4%+0.4 pts

11Warren County, ILIL16,2220.4%+0.3 pts

12Brown County, ILIL6,4010.3%–

13Stark County, ILIL5,3190.3%−0.8 pts

14Kendall County, ILIL145,4700.3%+0.1 pts

15Carroll County, ILIL15,4190.3%+0.2 pts

16Vermilion County, ILIL71,2590.3%−0.3 pts

17Hamilton County, ILIL7,8590.3%+0.2 pts

18Tazewell County, ILIL130,0490.3%+0.1 pts

19Hancock County, ILIL16,8030.3%−0.1 pts

20Boone County, ILIL53,5680.3%+0.1 pts

21Montgomery County, ILIL28,0760.3%+0.2 pts

22DeKalb County, ILIL101,8350.3%−0.1 pts

23Iroquois County, ILIL26,1500.2%−0.2 pts

24LaSalle County, ILIL107,7730.2%−0.0 pts

25Kane County, ILIL525,7570.2%−0.1 pts

26Woodford County, ILIL38,1110.2%−0.2 pts

27Jo Daviess County, ILIL21,5940.2%+0.0 pts

28De Witt County, ILIL15,1180.2%+0.1 pts

29Ford County, ILIL13,2160.2%+0.1 pts

30Livingston County, ILIL35,0570.2%+0.1 pts

31McHenry County, ILIL317,7510.2%−0.1 pts

32Crawford County, ILIL18,6480.2%+0.1 pts

33Knox County, ILIL47,7670.2%−0.1 pts

34Lake County, ILIL719,3390.2%−0.1 pts

35Grundy County, ILIL54,0520.2%−0.0 pts

36Fulton County, ILIL32,9010.2%+0.0 pts

37Putnam County, ILIL5,6190.2%−0.2 pts

38McLean County, ILIL171,4190.1%−0.1 pts

39DuPage County, ILIL934,2980.1%−0.1 pts

40Williamson County, ILIL67,2250.1%−0.0 pts

41Will County, ILIL712,2530.1%−0.0 pts

42Winnebago County, ILIL283,6740.1%−0.1 pts

43Ogle County, ILIL51,3990.1%−0.2 pts

44Henderson County, ILIL5,9840.1%+0.1 pts

45Mason County, ILIL12,4110.1%−0.0 pts

46Lawrence County, ILIL13,7900.1%–

47Peoria County, ILIL178,5530.1%−0.3 pts

48Christian County, ILIL33,4430.1%−0.3 pts

49Piatt County, ILIL16,7910.1%−0.1 pts

50Madison County, ILIL263,1100.1%+0.0 pts

51Adams County, ILIL64,2670.1%+0.1 pts

52Cook County, ILIL5,194,6250.1%−0.0 pts

53Champaign County, ILIL209,9720.1%−0.1 pts

54Kankakee County, ILIL105,5250.1%−0.1 pts

55Clay County, ILIL12,7930.1%–

56Logan County, ILIL27,1820.1%−0.1 pts

57Bond County, ILIL16,9590.1%−0.0 pts

58Johnson County, ILIL13,3630.1%+0.1 pts

59Franklin County, ILIL36,9160.1%+0.0 pts

60Coles County, ILIL46,6070.1%+0.0 pts

61Shelby County, ILIL20,5760.1%–

62Greene County, ILIL11,3130.1%+0.0 pts

63Morgan County, ILIL32,5150.1%−0.1 pts

64Macon County, ILIL99,3000.1%−0.1 pts

65St. Clair County, ILIL250,7080.1%+0.0 pts

66Effingham County, ILIL34,5190.1%+0.1 pts

67Clark County, ILIL15,1140.1%–

68Sangamon County, ILIL194,1700.1%−0.2 pts

69Monroe County, ILIL34,8400.1%+0.0 pts

70Randolph County, ILIL29,9210.1%+0.0 pts

71Jackson County, ILIL52,5010.1%+0.0 pts

72Alexander County, ILIL4,5700.0%+0.0 pts

73Moultrie County, ILIL14,3710.0%+0.0 pts

74Union County, ILIL16,6560.0%+0.0 pts

75McDonough County, ILIL25,9160.0%−0.2 pts

76Jefferson County, ILIL36,1470.0%−0.0 pts

77Edwards County, ILIL5,8980.0%−0.1 pts

78Edgar County, ILIL16,3230.0%+0.0 pts

79Clinton County, ILIL37,1280.0%+0.0 pts

80Richland County, ILIL15,2190.0%+0.0 pts

81White County, ILIL13,2500.0%−0.4 pts

82Massac County, ILIL13,5020.0%–

83Macoupin County, ILIL43,7480.0%−0.1 pts

84Douglas County, ILIL19,8800.0%+0.0 pts

85Washington County, ILIL13,5640.0%–

SHOWING 1–85 OF 85

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS