RANKING · 2024 ACS · 81 SHOWN OF 81

Highest Belgian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Belgian ancestry (2024 American Community Survey). A concentration measure: Belgian residents as a percentage of total population. This list covers the 81 counties in Illinois that qualify, ranked against each other statewide. The median across all 81 is 0.1%. Biggest climber in the top 100 since 2020: Macoupin County, IL, up 46 places to #37.

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IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPBELGIAN SHAREVS 2010

01Henry County, ILIL48,0955.6%−1.2 pts

02Rock Island County, ILIL141,8693.0%−2.0 pts

03▲1Mercer County, ILIL15,2291.9%0.0 pts

04▼1Bureau County, ILIL32,5100.8%−0.5 pts

05Whiteside County, ILIL54,1210.7%−0.4 pts

06▲7Stark County, ILIL5,3190.5%−0.6 pts

07Hardin County, ILIL3,5880.5%–

08▲25Knox County, ILIL47,7670.5%+0.2 pts

09▼2Lee County, ILIL32,9140.4%+0.2 pts

10▲8Tazewell County, ILIL130,0490.4%+0.1 pts

11▲29Williamson County, ILIL67,2250.3%+0.1 pts

12▲31Ogle County, ILIL51,3990.3%−0.1 pts

13▲3Vermilion County, ILIL71,2590.2%−0.3 pts

14▲24McLean County, ILIL171,4190.2%0.0 pts

15▲8Iroquois County, ILIL26,1500.2%−0.3 pts

16▼2Kendall County, ILIL145,4700.2%−0.1 pts

17▲12Ford County, ILIL13,2160.2%+0.1 pts

18▼3Carroll County, ILIL15,4190.2%0.0 pts

19Hancock County, ILIL16,8030.2%−0.2 pts

20▲27Peoria County, ILIL178,5530.2%−0.2 pts

21▼10Warren County, ILIL16,2220.2%+0.1 pts

22▲9McHenry County, ILIL317,7510.2%−0.1 pts

23Cass County, ILIL12,4630.2%−0.3 pts

24▼14Stephenson County, ILIL43,2200.2%+0.1 pts

25▼3DeKalb County, ILIL101,8350.2%−0.2 pts

26▼2LaSalle County, ILIL107,7730.2%−0.1 pts

27▲7Lake County, ILIL719,3390.1%−0.1 pts

28▲11DuPage County, ILIL934,2980.1%−0.1 pts

29▲1Livingston County, ILIL35,0570.1%0.0 pts

30▲7Putnam County, ILIL5,6190.1%−0.2 pts

31▼19Brown County, ILIL6,4010.1%–

32▼7Kane County, ILIL525,7570.1%−0.2 pts

33▲44Edwards County, ILIL5,8980.1%0.0 pts

34▲14Christian County, ILIL33,4430.1%−0.3 pts

35Grundy County, ILIL54,0520.1%0.0 pts

36▼9Jo Daviess County, ILIL21,5940.1%0.0 pts

37▲46Macoupin County, ILIL43,7480.1%0.0 pts

38▼12Woodford County, ILIL38,1110.1%−0.3 pts

39▲12Adams County, ILIL64,2670.1%+0.1 pts

40▲2Winnebago County, ILIL283,6740.1%−0.1 pts

41▲28Monroe County, ILIL34,8400.1%+0.1 pts

42▲3Mason County, ILIL12,4110.1%0.0 pts

43▲14Bond County, ILIL16,9590.1%0.0 pts

44▲8Cook County, ILIL5,194,6250.1%0.0 pts

45▲35Richland County, ILIL15,2190.1%+0.1 pts

46▲29McDonough County, ILIL25,9160.1%−0.1 pts

47▲38Washington County, ILIL13,5640.1%–

48▼2Lawrence County, ILIL13,7900.1%–

49▲6Clay County, ILIL12,7930.1%–

50▲26Jefferson County, ILIL36,1470.1%0.0 pts

51▼10Will County, ILIL712,2530.1%−0.1 pts

52▲15Clark County, ILIL15,1140.1%–

53▼33Boone County, ILIL53,5680.1%−0.1 pts

54Wayne County, ILIL15,8820.1%–

55Cumberland County, ILIL10,2080.1%0.0 pts

56▲10Effingham County, ILIL34,5190.1%+0.1 pts

57▼1Logan County, ILIL27,1820.1%−0.1 pts

58Fayette County, ILIL20,7900.1%0.0 pts

59▲25Douglas County, ILIL19,8800.1%0.0 pts

60▲3Morgan County, ILIL32,5150.1%−0.1 pts

61▲3Macon County, ILIL99,3000.1%−0.1 pts

62▲6Sangamon County, ILIL194,1700.1%−0.2 pts

63▼10Champaign County, ILIL209,9720.0%−0.1 pts

64▲15Clinton County, ILIL37,1280.0%0.0 pts

65▼33Crawford County, ILIL18,6480.0%0.0 pts

66▼16Madison County, ILIL263,1100.0%−0.1 pts

67Saline County, ILIL22,7720.0%−0.6 pts

68▲4Alexander County, ILIL4,5700.0%0.0 pts

69▼61Scott County, ILIL4,8660.0%−0.1 pts

70▼21Piatt County, ILIL16,7910.0%−0.1 pts

71Perry County, ILIL20,1600.0%–

72▼11Shelby County, ILIL20,5760.0%–

73▼19Kankakee County, ILIL105,5250.0%−0.2 pts

74▼3Jackson County, ILIL52,5010.0%0.0 pts

75▼17Johnson County, ILIL13,3630.0%0.0 pts

76▼11St. Clair County, ILIL250,7080.0%0.0 pts

77Marion County, ILIL36,3820.0%−0.2 pts

78▼42Fulton County, ILIL32,9010.0%−0.1 pts

79▼20Franklin County, ILIL36,9160.0%0.0 pts

80Wabash County, ILIL10,9070.0%–

81▼60Montgomery County, ILIL28,0760.0%−0.1 pts

SHOWING 1–81 OF 81

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