RANKING · 2010 CENSUS · 85 SHOWN OF 85

Highest Belgian population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Belgian ancestry (2010 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

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 –

01Henry County, ILIL48,0956.8%–

02Rock Island County, ILIL141,8695.0%–

03Mercer County, ILIL15,2291.9%–

04Bureau County, ILIL32,5101.3%–

05Stark County, ILIL5,3191.2%–

06Whiteside County, ILIL54,1211.1%–

07Saline County, ILIL22,7720.7%–

08Vermilion County, ILIL71,2590.6%–

09Iroquois County, ILIL26,1500.5%–

10Woodford County, ILIL38,1110.4%–

11Cass County, ILIL12,4630.4%–

12Christian County, ILIL33,4430.4%–

13Peoria County, ILIL178,5530.4%–

14White County, ILIL13,2500.4%–

15DeKalb County, ILIL101,8350.4%–

16Putnam County, ILIL5,6190.4%–

17Ogle County, ILIL51,3990.3%–

18Hancock County, ILIL16,8030.3%–

19Kane County, ILIL525,7570.3%–

20Lake County, ILIL719,3390.3%–

21Knox County, ILIL47,7670.3%–

22Kendall County, ILIL145,4700.3%–

23McHenry County, ILIL317,7510.2%–

24McLean County, ILIL171,4190.2%–

25LaSalle County, ILIL107,7730.2%–

26Kankakee County, ILIL105,5250.2%–

27DuPage County, ILIL934,2980.2%–

28McDonough County, ILIL25,9160.2%–

29Sangamon County, ILIL194,1700.2%–

30Tazewell County, ILIL130,0490.2%–

31Winnebago County, ILIL283,6740.2%–

32Marion County, ILIL36,3820.2%–

33Boone County, ILIL53,5680.2%–

34Logan County, ILIL27,1820.2%–

35Williamson County, ILIL67,2250.2%–

36Piatt County, ILIL16,7910.2%–

37Grundy County, ILIL54,0520.2%–

38Lee County, ILIL32,9140.2%–

39Champaign County, ILIL209,9720.2%–

40Will County, ILIL712,2530.2%–

41Morgan County, ILIL32,5150.2%–

42Jo Daviess County, ILIL21,5940.1%–

43Mason County, ILIL12,4110.1%–

44Carroll County, ILIL15,4190.1%–

45Fulton County, ILIL32,9010.1%–

46Ford County, ILIL13,2160.1%–

47Livingston County, ILIL35,0570.1%–

48Macon County, ILIL99,3000.1%–

49Cook County, ILIL5,194,6250.1%–

50Cumberland County, ILIL10,2080.1%–

51Jasper County, ILIL9,0320.1%–

52Scott County, ILIL4,8660.1%–

53De Witt County, ILIL15,1180.1%–

54Bond County, ILIL16,9590.1%–

55Madison County, ILIL263,1100.1%–

56Warren County, ILIL16,2220.1%–

57Edwards County, ILIL5,8980.1%–

58Marshall County, ILIL11,4730.1%–

59Macoupin County, ILIL43,7480.1%–

60Montgomery County, ILIL28,0760.1%–

61Crawford County, ILIL18,6480.1%–

62St. Clair County, ILIL250,7080.1%–

63Coles County, ILIL46,6070.1%–

64Hamilton County, ILIL7,8590.1%–

65Franklin County, ILIL36,9160.1%–

66Fayette County, ILIL20,7900.0%–

67Pulaski County, ILIL4,8200.0%–

68Jackson County, ILIL52,5010.0%–

69Adams County, ILIL64,2670.0%–

70Jefferson County, ILIL36,1470.0%–

71Moultrie County, ILIL14,3710.0%–

72Henderson County, ILIL5,9840.0%–

73Stephenson County, ILIL43,2200.0%–

74Calhoun County, ILIL4,3000.0%–

75Greene County, ILIL11,3130.0%–

76Johnson County, ILIL13,3630.0%–

77Randolph County, ILIL29,9210.0%–

78Richland County, ILIL15,2190.0%–

79Clinton County, ILIL37,1280.0%–

80Alexander County, ILIL4,5700.0%–

81Union County, ILIL16,6560.0%–

82Monroe County, ILIL34,8400.0%–

83Douglas County, ILIL19,8800.0%–

84Edgar County, ILIL16,3230.0%–

85Effingham County, ILIL34,5190.0%–

SHOWING 1–85 OF 85

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