RANKING · 2020 CENSUS · 102 SHOWN OF 102

Most college graduates, Illinois counties · 2020

Illinois counties with the most adults 25 and over holding a bachelor's degree or higher, as of the 2020 American Community Survey. Ranked by number of graduates, not the share. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost educated Least educated Most graduate degrees Fewest graduate degrees

RANKPLACESTATEPOPCOLLEGE GRADUATESVS –

01Cook County, ILIL5,194,6251,433,419–

02DuPage County, ILIL934,298320,052–

03Lake County, ILIL719,339211,275–

04Will County, ILIL712,253158,426–

05Kane County, ILIL525,757120,761–

06McHenry County, ILIL317,75173,725–

07Champaign County, ILIL209,97255,159–

08St. Clair County, ILIL250,70851,740–

09Madison County, ILIL263,11051,420–

10McLean County, ILIL171,41946,806–

11Sangamon County, ILIL194,17046,568–

12Winnebago County, ILIL283,67444,510–

13Peoria County, ILIL178,55337,935–

14Kendall County, ILIL145,47029,060–

15Tazewell County, ILIL130,04924,127–

16Rock Island County, ILIL141,86923,410–

17DeKalb County, ILIL101,83520,009–

18Macon County, ILIL99,30017,044–

19Kankakee County, ILIL105,52514,986–

20LaSalle County, ILIL107,77314,136–

21Jackson County, ILIL52,50112,397–

22Williamson County, ILIL67,22512,221–

23Adams County, ILIL64,26711,561–

24Monroe County, ILIL34,8408,938–

25Woodford County, ILIL38,1118,800–

26Grundy County, ILIL54,0528,628–

27Coles County, ILIL46,6078,570–

28Boone County, ILIL53,5688,489–

29Henry County, ILIL48,0958,188–

30Vermilion County, ILIL71,2598,140–

31Ogle County, ILIL51,3997,724–

32Whiteside County, ILIL54,1217,392–

33Knox County, ILIL47,7676,697–

34Stephenson County, ILIL43,2206,619–

35Macoupin County, ILIL43,7485,941–

36McDonough County, ILIL25,9165,879–

37Clinton County, ILIL37,1285,809–

38Effingham County, ILIL34,5195,453–

39Bureau County, ILIL32,5104,841–

40Morgan County, ILIL32,5154,737–

41Lee County, ILIL32,9144,688–

42Franklin County, ILIL36,9164,662–

43Fulton County, ILIL32,9014,623–

44Jefferson County, ILIL36,1474,604–

45Christian County, ILIL33,4434,254–

46Marion County, ILIL36,3824,246–

47Jo Daviess County, ILIL21,5944,245–

48Livingston County, ILIL35,0574,192–

49Logan County, ILIL27,1823,934–

50Montgomery County, ILIL28,0763,773–

51Jersey County, ILIL21,1603,675–

52Piatt County, ILIL16,7913,453–

53Saline County, ILIL22,7723,396–

54Randolph County, ILIL29,9213,005–

55Iroquois County, ILIL26,1503,000–

56Hancock County, ILIL16,8032,870–

57Union County, ILIL16,6562,805–

58Douglas County, ILIL19,8802,624–

59Bond County, ILIL16,9592,574–

60Shelby County, ILIL20,5762,572–

61Warren County, ILIL16,2222,518–

62Clark County, ILIL15,1142,385–

63Richland County, ILIL15,2192,299–

64Crawford County, ILIL18,6482,291–

65De Witt County, ILIL15,1182,287–

66Edgar County, ILIL16,3232,268–

67Washington County, ILIL13,5642,118–

68Carroll County, ILIL15,4192,110–

69Menard County, ILIL11,8632,016–

70Moultrie County, ILIL14,3712,014–

71Ford County, ILIL13,2161,997–

72Mercer County, ILIL15,2291,995–

73Fayette County, ILIL20,7901,880–

74Perry County, ILIL20,1601,777–

75Pike County, ILIL14,2311,694–

76White County, ILIL13,2501,694–

77Wayne County, ILIL15,8821,639–

78Mason County, ILIL12,4111,616–

79Lawrence County, ILIL13,7901,615–

80Wabash County, ILIL10,9071,540–

81Marshall County, ILIL11,4731,524–

82Johnson County, ILIL13,3631,468–

83Cumberland County, ILIL10,2081,437–

84Clay County, ILIL12,7931,426–

85Greene County, ILIL11,3131,414–

86Massac County, ILIL13,5021,384–

87Cass County, ILIL12,4631,335–

88Jasper County, ILIL9,0321,257–

89Hamilton County, ILIL7,8591,235–

90Schuyler County, ILIL6,6571,079–

91Henderson County, ILIL5,984884–

92Putnam County, ILIL5,619807–

93Scott County, ILIL4,866749–

94Stark County, ILIL5,319704–

95Brown County, ILIL6,401620–

96Edwards County, ILIL5,898604–

97Pope County, ILIL3,672560–

98Calhoun County, ILIL4,300546–

99Alexander County, ILIL4,570494–

100Pulaski County, ILIL4,820450–

101Gallatin County, ILIL4,616419–

102Hardin County, ILIL3,588338–

SHOWING 1–102 OF 102

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