RANKING · 2010 CENSUS · 102 SHOWN OF 102

Highest American population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are American ancestry (2010 American Community Survey). A concentration measure: American residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 9.5%.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS –

01De Witt County, ILIL15,11831.2%–

02Schuyler County, ILIL6,65726.8%–

03Scott County, ILIL4,86624.3%–

04Piatt County, ILIL16,79121.9%–

05Morgan County, ILIL32,51521.6%–

06Vermilion County, ILIL71,25921.2%–

07Cass County, ILIL12,46321.0%–

08Menard County, ILIL11,86320.8%–

09Fulton County, ILIL32,90119.1%–

10Logan County, ILIL27,18217.4%–

11Cumberland County, ILIL10,20817.4%–

12Macon County, ILIL99,30017.0%–

13Pike County, ILIL14,23116.8%–

14Brown County, ILIL6,40115.6%–

15Tazewell County, ILIL130,04915.6%–

16Mason County, ILIL12,41115.6%–

17Calhoun County, ILIL4,30014.7%–

18McDonough County, ILIL25,91614.7%–

19Clay County, ILIL12,79314.6%–

20Crawford County, ILIL18,64814.4%–

21White County, ILIL13,25014.0%–

22Ford County, ILIL13,21613.6%–

23Edwards County, ILIL5,89813.3%–

24Hancock County, ILIL16,80313.2%–

25Saline County, ILIL22,77212.9%–

26Wayne County, ILIL15,88212.7%–

27Douglas County, ILIL19,88012.6%–

28Jasper County, ILIL9,03212.5%–

29Edgar County, ILIL16,32312.3%–

30Iroquois County, ILIL26,15012.2%–

31Greene County, ILIL11,31312.1%–

32Richland County, ILIL15,21911.7%–

33Wabash County, ILIL10,90711.7%–

34Champaign County, ILIL209,97211.5%–

35Moultrie County, ILIL14,37111.4%–

36McLean County, ILIL171,41911.4%–

37Livingston County, ILIL35,05711.2%–

38Coles County, ILIL46,60711.1%–

39Clark County, ILIL15,11410.8%–

40Stark County, ILIL5,31910.8%–

41Marion County, ILIL36,38210.8%–

42Adams County, ILIL64,26710.7%–

43Carroll County, ILIL15,41910.6%–

44Christian County, ILIL33,44310.6%–

45Lawrence County, ILIL13,79010.4%–

46Hamilton County, ILIL7,85910.3%–

47Jefferson County, ILIL36,14710.2%–

48Shelby County, ILIL20,5769.8%–

49Montgomery County, ILIL28,0769.8%–

50Sangamon County, ILIL194,1709.5%–

51Macoupin County, ILIL43,7489.5%–

52Franklin County, ILIL36,9169.4%–

53Fayette County, ILIL20,7909.4%–

54Winnebago County, ILIL283,6749.4%–

55Effingham County, ILIL34,5199.3%–

56Bureau County, ILIL32,5109.2%–

57Williamson County, ILIL67,2259.0%–

58Woodford County, ILIL38,1118.8%–

59Boone County, ILIL53,5688.6%–

60Jersey County, ILIL21,1608.6%–

61Massac County, ILIL13,5028.5%–

62Jo Daviess County, ILIL21,5948.5%–

63Bond County, ILIL16,9598.4%–

64Lee County, ILIL32,9148.2%–

65Perry County, ILIL20,1608.1%–

66Union County, ILIL16,6568.1%–

67Knox County, ILIL47,7678.0%–

68Stephenson County, ILIL43,2208.0%–

69Madison County, ILIL263,1107.5%–

70Mercer County, ILIL15,2297.4%–

71Henry County, ILIL48,0957.2%–

72Gallatin County, ILIL4,6167.0%–

73Pulaski County, ILIL4,8206.6%–

74Johnson County, ILIL13,3636.5%–

75Ogle County, ILIL51,3996.4%–

76Monroe County, ILIL34,8406.2%–

77Marshall County, ILIL11,4736.2%–

78Washington County, ILIL13,5646.1%–

79LaSalle County, ILIL107,7736.0%–

80Whiteside County, ILIL54,1216.0%–

81Randolph County, ILIL29,9215.7%–

82Jackson County, ILIL52,5015.7%–

83Clinton County, ILIL37,1285.6%–

84Warren County, ILIL16,2225.5%–

85Peoria County, ILIL178,5535.5%–

86Pope County, ILIL3,6725.4%–

87Rock Island County, ILIL141,8695.2%–

88Henderson County, ILIL5,9845.0%–

89Alexander County, ILIL4,5704.7%–

90St. Clair County, ILIL250,7084.6%–

91Hardin County, ILIL3,5884.3%–

92Lake County, ILIL719,3394.0%–

93DeKalb County, ILIL101,8353.8%–

94McHenry County, ILIL317,7513.7%–

95Kankakee County, ILIL105,5253.6%–

96Putnam County, ILIL5,6193.5%–

97Kendall County, ILIL145,4703.2%–

98Grundy County, ILIL54,0523.0%–

99Kane County, ILIL525,7572.4%–

100DuPage County, ILIL934,2982.2%–

101Will County, ILIL712,2532.1%–

102Cook County, ILIL5,194,6251.6%–

SHOWING 1–102 OF 102

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