RANKING · 2024 ACS · 99 SHOWN OF 99

Least educated, Iowa counties

Iowa counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost college graduates Most educated Most graduate degrees Fewest graduate degrees

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Clayton County, IAIA16,84514.5%+13%

02Lucas County, IAIA8,84715.8%+42%

03Clarke County, IAIA9,57416.0%+32%

04Taylor County, IAIA5,83516.0%+34%

05Osceola County, IAIA5,98016.7%+25%

06Louisa County, IAIA10,41616.8%+32%

07Keokuk County, IAIA9,79717.0%+47%

08Davis County, IAIA9,23017.1%+50%

09Emmet County, IAIA9,10717.1%+31%

10Wayne County, IAIA6,73817.2%+42%

11Crawford County, IAIA16,23717.7%+43%

12Floyd County, IAIA14,90118.3%+24%

13Pocahontas County, IAIA6,81918.7%+24%

14Van Buren County, IAIA7,13118.8%+59%

15Palo Alto County, IAIA8,89919.0%+37%

16Worth County, IAIA7,33819.1%+51%

17Page County, IAIA14,85619.2%+16%

18Humboldt County, IAIA9,40919.4%+26%

19Franklin County, IAIA9,86819.4%+34%

20Jackson County, IAIA19,28819.5%+62%

21Howard County, IAIA9,41519.5%+55%

22Wapello County, IAIA35,21019.6%+35%

23Monona County, IAIA8,53919.6%+46%

24Adair County, IAIA7,40319.9%+78%

25Jasper County, IAIA38,15320.0%+26%

26Montgomery County, IAIA10,00220.4%+58%

27Lyon County, IAIA12,35420.4%+43%

28Hancock County, IAIA10,52820.5%+32%

29Appanoose County, IAIA12,07720.5%+68%

30Tama County, IAIA16,79620.5%+59%

31Fayette County, IAIA19,04720.7%+50%

32Fremont County, IAIA6,52220.8%+49%

33Audubon County, IAIA5,50920.8%+69%

34Chickasaw County, IAIA11,66321.2%+73%

35Greene County, IAIA8,65821.2%+45%

36Monroe County, IAIA7,40621.4%+70%

37Butler County, IAIA14,04921.4%+73%

38Ida County, IAIA6,77721.6%+58%

39Plymouth County, IAIA25,69721.7%+12%

40Lee County, IAIA32,30621.7%+73%

41Calhoun County, IAIA9,56221.8%+42%

42Hardin County, IAIA16,45521.9%+28%

43Harrison County, IAIA14,62322.0%+74%

44Webster County, IAIA36,83822.0%+31%

45Jones County, IAIA21,25322.0%+74%

46O'Brien County, IAIA14,22022.0%+50%

47Cass County, IAIA12,96022.1%+33%

48Allamakee County, IAIA14,23822.2%+53%

49Buena Vista County, IAIA20,44922.2%+19%

50Sac County, IAIA9,52522.3%+64%

51Buchanan County, IAIA20,88322.4%+76%

52Clinton County, IAIA46,00222.4%+56%

53Marshall County, IAIA39,89022.6%+32%

54Delaware County, IAIA17,67422.6%+73%

55Hamilton County, IAIA14,94422.8%+30%

56Kossuth County, IAIA14,32222.8%+68%

57Henry County, IAIA19,34923.0%+42%

58Muscatine County, IAIA41,85323.1%+35%

59Union County, IAIA11,82923.3%+59%

60Cherokee County, IAIA11,36923.4%+54%

61Decatur County, IAIA7,65523.5%+55%

62Pottawattamie County, IAIA92,99623.6%+57%

63Cedar County, IAIA18,35923.7%+46%

64Des Moines County, IAIA38,07723.8%+49%

65Cerro Gordo County, IAIA42,37224.0%+18%

66Carroll County, IAIA20,30324.0%+50%

67Shelby County, IAIA11,68924.1%+57%

68Mahaska County, IAIA21,88024.1%+46%

69Woodbury County, IAIA106,64924.3%+29%

70Ringgold County, IAIA4,64224.6%+83%

71Iowa County, IAIA16,50424.8%+58%

72Wright County, IAIA12,80124.9%+84%

73Mitchell County, IAIA10,65024.9%+94%

74Guthrie County, IAIA10,78225.0%+68%

75Benton County, IAIA26,00425.6%+83%

76Winnebago County, IAIA10,25126.1%+58%

77Washington County, IAIA22,66726.2%+60%

78Adams County, IAIA3,61727.0%+125%

79Madison County, IAIA17,27027.1%+89%

80Poweshiek County, IAIA18,36827.3%+48%

81Clay County, IAIA16,20227.5%+69%

82Grundy County, IAIA12,36127.8%+62%

83Boone County, IAIA26,79928.5%+52%

84Black Hawk County, IAIA131,53230.3%+32%

85Sioux County, IAIA36,77430.6%+54%

86Mills County, IAIA14,79331.0%+90%

87Dickinson County, IAIA18,07731.2%+46%

88Winneshiek County, IAIA19,73331.2%+52%

89Marion County, IAIA34,19232.1%+70%

90Warren County, IAIA57,33133.3%+57%

91Dubuque County, IAIA99,38133.4%+56%

92Linn County, IAIA232,02834.7%+25%

93Bremer County, IAIA25,29636.2%+69%

94Scott County, IAIA175,25936.6%+47%

95Polk County, IAIA516,54640.3%+35%

96Jefferson County, IAIA15,29143.2%+39%

97Dallas County, IAIA118,45751.5%+92%

98Story County, IAIA101,29154.8%+23%

99Johnson County, IAIA160,04455.2%+16%

SHOWING 1–99 OF 99

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES