RANKING · 2024 ACS · 102 SHOWN OF 102

Least educated, Illinois counties

Illinois counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 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

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Alexander County, ILIL4,57012.6%+83%

02Brown County, ILIL6,40112.6%+36%

03Pulaski County, ILIL4,82013.0%+83%

04Clay County, ILIL12,79313.1%+35%

05Hardin County, ILIL3,58813.3%+38%

06Gallatin County, ILIL4,61613.6%+77%

07Perry County, ILIL20,16013.7%+36%

08Edwards County, ILIL5,89813.9%+42%

09Lawrence County, ILIL13,79014.9%+54%

10Randolph County, ILIL29,92115.2%+77%

11Pope County, ILIL3,67215.7%+49%

12Franklin County, ILIL36,91615.8%+39%

13Wayne County, ILIL15,88216.3%+62%

14Marion County, ILIL36,38216.8%+38%

15Massac County, ILIL13,50217.0%+60%

16Mason County, ILIL12,41117.1%+52%

17Christian County, ILIL33,44317.1%+62%

18Fayette County, ILIL20,79017.2%+90%

19Carroll County, ILIL15,41917.8%+35%

20Marshall County, ILIL11,47318.0%+24%

21Jefferson County, ILIL36,14718.2%+33%

22Iroquois County, ILIL26,15018.2%+54%

23White County, ILIL13,25018.3%+75%

24Montgomery County, ILIL28,07618.3%+64%

25Shelby County, ILIL20,57618.3%+60%

26Fulton County, ILIL32,90118.5%+62%

27Pike County, ILIL14,23118.5%+86%

28Wabash County, ILIL10,90718.6%+49%

29Ford County, ILIL13,21618.9%+36%

30Moultrie County, ILIL14,37119.0%+29%

31Greene County, ILIL11,31319.0%+88%

32Livingston County, ILIL35,05719.0%+50%

33Schuyler County, ILIL6,65719.1%+63%

34Richland County, ILIL15,21919.1%+25%

35Vermilion County, ILIL71,25919.2%+54%

36Lee County, ILIL32,91419.4%+47%

37Johnson County, ILIL13,36319.6%+67%

38Cumberland County, ILIL10,20819.6%+94%

39Saline County, ILIL22,77219.6%+62%

40Calhoun County, ILIL4,30020.1%+114%

41Macoupin County, ILIL43,74820.3%+71%

42Edgar County, ILIL16,32320.4%+53%

43Whiteside County, ILIL54,12120.5%+81%

44LaSalle County, ILIL107,77320.5%+54%

45Crawford County, ILIL18,64820.6%+100%

46Henderson County, ILIL5,98420.6%+106%

47Stephenson County, ILIL43,22020.7%+32%

48Cass County, ILIL12,46320.8%+64%

49Douglas County, ILIL19,88020.9%+51%

50Mercer County, ILIL15,22920.9%+65%

51Logan County, ILIL27,18220.9%+47%

52Jasper County, ILIL9,03220.9%+86%

53Union County, ILIL16,65620.9%+33%

54Knox County, ILIL47,76721.0%+44%

55Hamilton County, ILIL7,85921.0%+100%

56Kankakee County, ILIL105,52521.2%+42%

57Stark County, ILIL5,31921.4%+60%

58Scott County, ILIL4,86621.5%+78%

59Bond County, ILIL16,95921.6%+45%

60Bureau County, ILIL32,51021.7%+38%

61Warren County, ILIL16,22222.0%+39%

62Morgan County, ILIL32,51522.6%+13%

63Jersey County, ILIL21,16022.6%+80%

64Putnam County, ILIL5,61922.9%+89%

65De Witt County, ILIL15,11823.2%+73%

66Washington County, ILIL13,56423.5%+76%

67Grundy County, ILIL54,05223.6%+55%

68Boone County, ILIL53,56823.6%+63%

69Ogle County, ILIL51,39924.3%+43%

70Macon County, ILIL99,30024.4%+44%

71Rock Island County, ILIL141,86924.7%+45%

72Henry County, ILIL48,09524.7%+58%

73Clark County, ILIL15,11424.9%+83%

74Hancock County, ILIL16,80325.1%+61%

75Winnebago County, ILIL283,67425.2%+30%

76Clinton County, ILIL37,12825.9%+99%

77Williamson County, ILIL67,22526.2%+53%

78Effingham County, ILIL34,51926.9%+78%

79Coles County, ILIL46,60726.9%+29%

80Adams County, ILIL64,26727.5%+56%

81Menard County, ILIL11,86328.3%+38%

82Tazewell County, ILIL130,04928.4%+56%

83Jo Daviess County, ILIL21,59428.9%+90%

84Madison County, ILIL263,11031.0%+61%

85McDonough County, ILIL25,91631.4%+17%

86St. Clair County, ILIL250,70831.8%+65%

87Piatt County, ILIL16,79132.9%+56%

88DeKalb County, ILIL101,83533.0%+23%

89Peoria County, ILIL178,55334.9%+49%

90McHenry County, ILIL317,75135.2%+27%

91Woodford County, ILIL38,11135.9%+70%

92Jackson County, ILIL52,50136.3%+14%

93Sangamon County, ILIL194,17036.6%+28%

94Kendall County, ILIL145,47036.9%+46%

95Will County, ILIL712,25337.5%+47%

96Kane County, ILIL525,75738.1%+37%

97Monroe County, ILIL34,84038.7%+90%

98Cook County, ILIL5,194,62542.7%+52%

99Champaign County, ILIL209,97246.2%+22%

100McLean County, ILIL171,41947.2%+31%

101Lake County, ILIL719,33947.7%+24%

102DuPage County, ILIL934,29851.8%+24%

SHOWING 1–102 OF 102

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES