RANKING · 1990 CENSUS · 102 SHOWN OF 102

Most graduate degrees, Illinois counties · 1990

Illinois counties ranked by the share of adults 25+ holding a graduate or professional degree (1990 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Champaign County, ILIL209,97217.8%–

02Jackson County, ILIL52,50114.1%–

03DuPage County, ILIL934,29812.0%–

04Lake County, ILIL719,33911.5%–

05DeKalb County, ILIL101,83511.2%–

06McDonough County, ILIL25,91610.4%–

07McLean County, ILIL171,4199.0%–

08Cook County, ILIL5,194,6258.3%–

09Sangamon County, ILIL194,1708.2%–

10Coles County, ILIL46,6078.1%–

11Kane County, ILIL525,7577.0%–

12Peoria County, ILIL178,5536.6%–

13McHenry County, ILIL317,7516.4%–

14Will County, ILIL712,2535.9%–

15Morgan County, ILIL32,5155.7%–

16St. Clair County, ILIL250,7085.4%–

17Kendall County, ILIL145,4705.3%–

18Piatt County, ILIL16,7915.2%–

19Winnebago County, ILIL283,6745.2%–

20Macon County, ILIL99,3005.0%–

21Williamson County, ILIL67,2255.0%–

22Woodford County, ILIL38,1115.0%–

23Madison County, ILIL263,1104.9%–

24Warren County, ILIL16,2224.6%–

25Rock Island County, ILIL141,8694.5%–

26Bond County, ILIL16,9594.5%–

27Adams County, ILIL64,2674.4%–

28Henry County, ILIL48,0954.2%–

29Knox County, ILIL47,7674.2%–

30Boone County, ILIL53,5684.2%–

31Vermilion County, ILIL71,2594.1%–

32Lee County, ILIL32,9144.0%–

33Union County, ILIL16,6564.0%–

34Kankakee County, ILIL105,5254.0%–

35Grundy County, ILIL54,0523.9%–

36Tazewell County, ILIL130,0493.9%–

37Wabash County, ILIL10,9073.9%–

38Ford County, ILIL13,2163.9%–

39Stephenson County, ILIL43,2203.9%–

40Hancock County, ILIL16,8033.9%–

41Douglas County, ILIL19,8803.8%–

42Logan County, ILIL27,1823.8%–

43Shelby County, ILIL20,5763.8%–

44Effingham County, ILIL34,5193.8%–

45Jefferson County, ILIL36,1473.7%–

46Edgar County, ILIL16,3233.7%–

47Saline County, ILIL22,7723.6%–

48Richland County, ILIL15,2193.6%–

49Whiteside County, ILIL54,1213.5%–

50Menard County, ILIL11,8633.5%–

51Ogle County, ILIL51,3993.5%–

52LaSalle County, ILIL107,7733.4%–

53Putnam County, ILIL5,6193.4%–

54Johnson County, ILIL13,3633.4%–

55Jo Daviess County, ILIL21,5943.4%–

56Brown County, ILIL6,4013.4%–

57Crawford County, ILIL18,6483.3%–

58Monroe County, ILIL34,8403.3%–

59Marion County, ILIL36,3823.3%–

60De Witt County, ILIL15,1183.3%–

61Bureau County, ILIL32,5103.3%–

62Macoupin County, ILIL43,7483.3%–

63White County, ILIL13,2503.2%–

64Iroquois County, ILIL26,1503.2%–

65Calhoun County, ILIL4,3003.2%–

66Cass County, ILIL12,4633.2%–

67Jersey County, ILIL21,1603.1%–

68Mercer County, ILIL15,2293.1%–

69Christian County, ILIL33,4433.1%–

70Carroll County, ILIL15,4193.1%–

71Fulton County, ILIL32,9013.0%–

72Moultrie County, ILIL14,3713.0%–

73Fayette County, ILIL20,7903.0%–

74Stark County, ILIL5,3193.0%–

75Randolph County, ILIL29,9213.0%–

76Livingston County, ILIL35,0572.9%–

77Massac County, ILIL13,5022.9%–

78Mason County, ILIL12,4112.9%–

79Clinton County, ILIL37,1282.9%–

80Alexander County, ILIL4,5702.9%–

81Clay County, ILIL12,7932.8%–

82Clark County, ILIL15,1142.8%–

83Jasper County, ILIL9,0322.8%–

84Wayne County, ILIL15,8822.8%–

85Schuyler County, ILIL6,6572.8%–

86Greene County, ILIL11,3132.7%–

87Gallatin County, ILIL4,6162.7%–

88Cumberland County, ILIL10,2082.7%–

89Hamilton County, ILIL7,8592.6%–

90Hardin County, ILIL3,5882.6%–

91Marshall County, ILIL11,4732.6%–

92Montgomery County, ILIL28,0762.5%–

93Pope County, ILIL3,6722.5%–

94Edwards County, ILIL5,8982.5%–

95Washington County, ILIL13,5642.4%–

96Franklin County, ILIL36,9162.4%–

97Pike County, ILIL14,2312.3%–

98Scott County, ILIL4,8662.3%–

99Perry County, ILIL20,1602.2%–

100Pulaski County, ILIL4,8202.2%–

101Henderson County, ILIL5,9842.2%–

102Lawrence County, ILIL13,7901.9%–

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS