RANKING · 2000 CENSUS · 99 SHOWN OF 99

Least educated, Iowa counties · 2000

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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Lucas County, IAIA8,84711.1%+0%

02Adair County, IAIA7,40311.2%+0%

03Davis County, IAIA9,23011.4%+0%

04Keokuk County, IAIA9,79711.6%+0%

05Van Buren County, IAIA7,13111.8%+0%

06Taylor County, IAIA5,83512.0%+0%

07Adams County, IAIA3,61712.0%+0%

08Clarke County, IAIA9,57412.1%+0%

09Jackson County, IAIA19,28812.1%+0%

10Wayne County, IAIA6,73812.1%+0%

11Appanoose County, IAIA12,07712.2%+0%

12Chickasaw County, IAIA11,66312.2%+0%

13Audubon County, IAIA5,50912.3%+0%

14Crawford County, IAIA16,23712.4%+0%

15Butler County, IAIA14,04912.4%+0%

16Lee County, IAIA32,30612.5%+0%

17Monroe County, IAIA7,40612.6%+0%

18Howard County, IAIA9,41512.6%+0%

19Harrison County, IAIA14,62312.7%+0%

20Buchanan County, IAIA20,88312.7%+0%

21Worth County, IAIA7,33812.7%+0%

22Jones County, IAIA21,25312.7%+0%

23Louisa County, IAIA10,41612.7%+0%

24Clayton County, IAIA16,84512.8%+0%

25Mitchell County, IAIA10,65012.8%+0%

26Montgomery County, IAIA10,00212.9%+0%

27Tama County, IAIA16,79612.9%+0%

28Delaware County, IAIA17,67413.0%+0%

29Emmet County, IAIA9,10713.0%+0%

30Osceola County, IAIA5,98013.4%+0%

31Ringgold County, IAIA4,64213.4%+0%

32Monona County, IAIA8,53913.4%+0%

33Wright County, IAIA12,80113.5%+0%

34Kossuth County, IAIA14,32213.6%+0%

35Sac County, IAIA9,52513.6%+0%

36Ida County, IAIA6,77713.6%+0%

37Fayette County, IAIA19,04713.8%+0%

38Palo Alto County, IAIA8,89913.9%+0%

39Benton County, IAIA26,00413.9%+0%

40Fremont County, IAIA6,52214.0%+0%

41Lyon County, IAIA12,35414.2%+0%

42Clinton County, IAIA46,00214.4%+0%

43Madison County, IAIA17,27014.4%+0%

44Allamakee County, IAIA14,23814.4%+0%

45Franklin County, IAIA9,86814.5%+0%

46Wapello County, IAIA35,21014.6%+0%

47Greene County, IAIA8,65814.6%+0%

48O'Brien County, IAIA14,22014.7%+0%

49Union County, IAIA11,82914.7%+0%

50Floyd County, IAIA14,90114.8%+0%

51Guthrie County, IAIA10,78214.9%+0%

52Pocahontas County, IAIA6,81915.0%+0%

53Pottawattamie County, IAIA92,99615.0%+0%

54Decatur County, IAIA7,65515.1%+0%

55Cherokee County, IAIA11,36915.2%+0%

56Shelby County, IAIA11,68915.3%+0%

57Humboldt County, IAIA9,40915.4%+0%

58Calhoun County, IAIA9,56215.4%+0%

59Hancock County, IAIA10,52815.4%+0%

60Iowa County, IAIA16,50415.8%+0%

61Jasper County, IAIA38,15315.9%+0%

62Des Moines County, IAIA38,07716.0%+0%

63Carroll County, IAIA20,30316.0%+0%

64Henry County, IAIA19,34916.2%+0%

65Cedar County, IAIA18,35916.3%+0%

66Clay County, IAIA16,20216.3%+0%

67Mills County, IAIA14,79316.3%+0%

68Washington County, IAIA22,66716.4%+0%

69Winnebago County, IAIA10,25116.5%+0%

70Mahaska County, IAIA21,88016.5%+0%

71Page County, IAIA14,85616.6%+0%

72Cass County, IAIA12,96016.6%+0%

73Webster County, IAIA36,83816.9%+0%

74Marshall County, IAIA39,89017.0%+0%

75Hardin County, IAIA16,45517.1%+0%

76Muscatine County, IAIA41,85317.2%+0%

77Grundy County, IAIA12,36117.2%+0%

78Hamilton County, IAIA14,94417.5%+0%

79Poweshiek County, IAIA18,36818.5%+0%

80Buena Vista County, IAIA20,44918.7%+0%

81Boone County, IAIA26,79918.8%+0%

82Marion County, IAIA34,19218.9%+0%

83Woodbury County, IAIA106,64918.9%+0%

84Plymouth County, IAIA25,69719.3%+0%

85Sioux County, IAIA36,77419.8%+0%

86Cerro Gordo County, IAIA42,37220.3%+0%

87Winneshiek County, IAIA19,73320.5%+0%

88Warren County, IAIA57,33121.2%+0%

89Dubuque County, IAIA99,38121.3%+0%

90Dickinson County, IAIA18,07721.3%+0%

91Bremer County, IAIA25,29621.5%+0%

92Black Hawk County, IAIA131,53223.0%+0%

93Scott County, IAIA175,25924.9%+0%

94Dallas County, IAIA118,45726.8%+0%

95Linn County, IAIA232,02827.7%+0%

96Polk County, IAIA516,54629.7%+0%

97Jefferson County, IAIA15,29131.2%+0%

98Story County, IAIA101,29144.5%+0%

99Johnson County, IAIA160,04447.6%+0%

SHOWING 1–99 OF 99

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