RANKING · 2010 CENSUS · 102 SHOWN OF 102

Highest German population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are German ancestry (2010 American Community Survey). A concentration measure: German 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 27.4%.

German 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

RANKPLACESTATEPOPGERMAN SHAREVS –

01Clinton County, ILIL37,12854.8%–

02Monroe County, ILIL34,84053.9%–

03Washington County, ILIL13,56453.6%–

04Jo Daviess County, ILIL21,59449.4%–

05Woodford County, ILIL38,11148.7%–

06Stephenson County, ILIL43,22046.6%–

07Putnam County, ILIL5,61946.5%–

08Calhoun County, ILIL4,30046.2%–

09Adams County, ILIL64,26743.5%–

10Marshall County, ILIL11,47343.0%–

11Jersey County, ILIL21,16042.8%–

12Effingham County, ILIL34,51941.6%–

13Carroll County, ILIL15,41940.4%–

14Randolph County, ILIL29,92140.3%–

15Jasper County, ILIL9,03239.5%–

16Ogle County, ILIL51,39938.0%–

17Lee County, ILIL32,91438.0%–

18Livingston County, ILIL35,05736.6%–

19Iroquois County, ILIL26,15036.5%–

20Macoupin County, ILIL43,74835.8%–

21Ford County, ILIL13,21635.7%–

22Tazewell County, ILIL130,04935.6%–

23Hancock County, ILIL16,80334.7%–

24McHenry County, ILIL317,75134.4%–

25Mason County, ILIL12,41133.8%–

26LaSalle County, ILIL107,77333.7%–

27Stark County, ILIL5,31933.5%–

28Hamilton County, ILIL7,85933.1%–

29Perry County, ILIL20,16032.8%–

30Bureau County, ILIL32,51032.8%–

31Madison County, ILIL263,11032.7%–

32DeKalb County, ILIL101,83532.6%–

33Whiteside County, ILIL54,12132.5%–

34Menard County, ILIL11,86332.5%–

35Pope County, ILIL3,67231.8%–

36McLean County, ILIL171,41931.2%–

37Logan County, ILIL27,18230.9%–

38Greene County, ILIL11,31330.7%–

39Cumberland County, ILIL10,20830.6%–

40Henry County, ILIL48,09530.0%–

41Douglas County, ILIL19,88029.6%–

42Richland County, ILIL15,21929.6%–

43Sangamon County, ILIL194,17029.4%–

44Peoria County, ILIL178,55328.3%–

45Grundy County, ILIL54,05228.3%–

46Kendall County, ILIL145,47028.0%–

47Montgomery County, ILIL28,07627.8%–

48St. Clair County, ILIL250,70827.5%–

49Marion County, ILIL36,38227.5%–

50Fayette County, ILIL20,79027.5%–

51Clark County, ILIL15,11427.4%–

52Edwards County, ILIL5,89826.8%–

53Bond County, ILIL16,95926.6%–

54Kankakee County, ILIL105,52526.5%–

55Scott County, ILIL4,86626.3%–

56Pike County, ILIL14,23126.3%–

57Piatt County, ILIL16,79126.1%–

58Jackson County, ILIL52,50126.0%–

59Mercer County, ILIL15,22925.9%–

60Rock Island County, ILIL141,86925.9%–

61Morgan County, ILIL32,51525.9%–

62Massac County, ILIL13,50225.7%–

63Coles County, ILIL46,60725.6%–

64Winnebago County, ILIL283,67425.6%–

65Boone County, ILIL53,56825.6%–

66Wabash County, ILIL10,90725.6%–

67Shelby County, ILIL20,57625.5%–

68White County, ILIL13,25025.5%–

69Brown County, ILIL6,40125.5%–

70Warren County, ILIL16,22225.2%–

71Crawford County, ILIL18,64825.0%–

72McDonough County, ILIL25,91625.0%–

73Henderson County, ILIL5,98424.4%–

74Jefferson County, ILIL36,14724.3%–

75Kane County, ILIL525,75724.3%–

76Champaign County, ILIL209,97223.9%–

77Moultrie County, ILIL14,37123.8%–

78Hardin County, ILIL3,58823.8%–

79Fulton County, ILIL32,90123.7%–

80Gallatin County, ILIL4,61623.6%–

81Williamson County, ILIL67,22523.6%–

82Edgar County, ILIL16,32323.6%–

83Knox County, ILIL47,76723.1%–

84DuPage County, ILIL934,29823.1%–

85Union County, ILIL16,65623.0%–

86Cass County, ILIL12,46322.6%–

87Christian County, ILIL33,44321.9%–

88Franklin County, ILIL36,91621.8%–

89De Witt County, ILIL15,11821.7%–

90Clay County, ILIL12,79321.7%–

91Macon County, ILIL99,30021.7%–

92Will County, ILIL712,25321.6%–

93Lake County, ILIL719,33920.5%–

94Schuyler County, ILIL6,65720.2%–

95Vermilion County, ILIL71,25918.9%–

96Johnson County, ILIL13,36317.6%–

97Wayne County, ILIL15,88217.0%–

98Saline County, ILIL22,77216.6%–

99Pulaski County, ILIL4,82015.1%–

100Alexander County, ILIL4,57013.9%–

101Lawrence County, ILIL13,79012.7%–

102Cook County, ILIL5,194,62511.2%–

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

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