RANKING · 2020 CENSUS · 102 SHOWN OF 102

Least educated, Illinois counties · 2020

Illinois counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2020 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

Flip the list · Most educated, US counties →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Hardin County, ILIL3,58811.2%+17%

02Alexander County, ILIL4,57011.5%+68%

03Gallatin County, ILIL4,61611.5%+50%

04Perry County, ILIL20,16011.6%+16%

05Pulaski County, ILIL4,82011.7%+65%

06Fayette County, ILIL20,79012.4%+37%

07Brown County, ILIL6,40112.8%+39%

08Randolph County, ILIL29,92112.9%+50%

09Edwards County, ILIL5,89813.3%+36%

10Massac County, ILIL13,50213.8%+29%

11Lawrence County, ILIL13,79014.0%+44%

12Wayne County, ILIL15,88214.2%+42%

13Greene County, ILIL11,31315.3%+51%

14Clay County, ILIL12,79315.3%+58%

15Iroquois County, ILIL26,15015.4%+30%

16Vermilion County, ILIL71,25915.5%+25%

17Pike County, ILIL14,23115.6%+57%

18Calhoun County, ILIL4,30015.7%+67%

19Cass County, ILIL12,46316.0%+26%

20Johnson County, ILIL13,36316.0%+37%

21Marion County, ILIL36,38216.2%+34%

22Mason County, ILIL12,41116.5%+47%

23Crawford County, ILIL18,64816.5%+61%

24Pope County, ILIL3,67216.5%+57%

25Shelby County, ILIL20,57616.6%+45%

26Livingston County, ILIL35,05716.6%+31%

27Franklin County, ILIL36,91617.0%+50%

28White County, ILIL13,25017.1%+64%

29Jefferson County, ILIL36,14717.4%+27%

30Henderson County, ILIL5,98417.5%+75%

31Christian County, ILIL33,44317.9%+70%

32Mercer County, ILIL15,22918.0%+42%

33Edgar County, ILIL16,32318.0%+35%

34Montgomery County, ILIL28,07618.1%+62%

35Marshall County, ILIL11,47318.2%+25%

36Fulton County, ILIL32,90118.3%+61%

37Stark County, ILIL5,31918.3%+37%

38LaSalle County, ILIL107,77318.4%+38%

39Macoupin County, ILIL43,74818.5%+56%

40Lee County, ILIL32,91418.7%+42%

41Jasper County, ILIL9,03218.8%+67%

42Cumberland County, ILIL10,20818.9%+87%

43Whiteside County, ILIL54,12118.9%+67%

44Wabash County, ILIL10,90718.9%+52%

45Putnam County, ILIL5,61919.2%+59%

46Knox County, ILIL47,76719.2%+32%

47Logan County, ILIL27,18219.5%+38%

48Carroll County, ILIL15,41919.7%+50%

49Saline County, ILIL22,77219.9%+65%

50Morgan County, ILIL32,51520.0%+0%

51Douglas County, ILIL19,88020.1%+45%

52De Witt County, ILIL15,11820.4%+52%

53Moultrie County, ILIL14,37120.5%+39%

54Schuyler County, ILIL6,65720.5%+76%

55Kankakee County, ILIL105,52520.6%+38%

56Bureau County, ILIL32,51020.7%+32%

57Stephenson County, ILIL43,22020.8%+33%

58Washington County, ILIL13,56420.9%+57%

59Richland County, ILIL15,21921.0%+38%

60Scott County, ILIL4,86621.0%+74%

61Hamilton County, ILIL7,85921.2%+101%

62Ford County, ILIL13,21621.6%+56%

63Clinton County, ILIL37,12821.7%+67%

64Bond County, ILIL16,95921.7%+45%

65Ogle County, ILIL51,39921.8%+28%

66Clark County, ILIL15,11421.8%+60%

67Hancock County, ILIL16,80322.3%+43%

68Warren County, ILIL16,22222.7%+43%

69Winnebago County, ILIL283,67423.0%+19%

70Union County, ILIL16,65623.1%+47%

71Effingham County, ILIL34,51923.2%+53%

72Menard County, ILIL11,86323.3%+14%

73Macon County, ILIL99,30023.6%+39%

74Henry County, ILIL48,09523.7%+51%

75Rock Island County, ILIL141,86923.8%+39%

76Boone County, ILIL53,56824.2%+67%

77Jersey County, ILIL21,16024.3%+93%

78Adams County, ILIL64,26725.2%+43%

79Grundy County, ILIL54,05225.4%+67%

80Williamson County, ILIL67,22525.6%+49%

81Tazewell County, ILIL130,04926.0%+43%

82Coles County, ILIL46,60726.1%+25%

83Jo Daviess County, ILIL21,59426.4%+74%

84Madison County, ILIL263,11027.8%+44%

85St. Clair County, ILIL250,70829.0%+51%

86Piatt County, ILIL16,79129.8%+42%

87Peoria County, ILIL178,55331.1%+33%

88DeKalb County, ILIL101,83532.4%+21%

89McDonough County, ILIL25,91632.4%+21%

90Woodford County, ILIL38,11133.8%+60%

91Sangamon County, ILIL194,17034.1%+20%

92Kane County, ILIL525,75734.7%+25%

93Will County, ILIL712,25334.8%+37%

94McHenry County, ILIL317,75135.2%+27%

95Jackson County, ILIL52,50135.5%+11%

96Kendall County, ILIL145,47035.9%+42%

97Monroe County, ILIL34,84036.6%+80%

98Cook County, ILIL5,194,62540.0%+43%

99McLean County, ILIL171,41944.6%+23%

100Champaign County, ILIL209,97245.0%+19%

101Lake County, ILIL719,33946.1%+19%

102DuPage County, ILIL934,29850.3%+21%

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

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