RANKING · 2010 CENSUS · 99 SHOWN OF 99

Most educated, Iowa counties · 2010

Iowa counties ranked by the share of adults 25+ holding a bachelor's degree or higher (2010 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 Least educated Most graduate degrees Fewest graduate degrees

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Johnson County, IAIA160,04450.8%+7%

02Story County, IAIA101,29147.2%+6%

03Dallas County, IAIA118,45740.2%+50%

04Polk County, IAIA516,54632.8%+11%

05Jefferson County, IAIA15,29130.1%−4%

06Scott County, IAIA175,25929.7%+20%

07Linn County, IAIA232,02829.6%+7%

08Dickinson County, IAIA18,07727.2%+27%

09Warren County, IAIA57,33126.7%+26%

10Bremer County, IAIA25,29626.5%+23%

11Winneshiek County, IAIA19,73326.3%+29%

12Dubuque County, IAIA99,38125.3%+19%

13Black Hawk County, IAIA131,53224.6%+7%

14Marion County, IAIA34,19224.0%+27%

15Buena Vista County, IAIA20,44922.6%+21%

16Mills County, IAIA14,79322.6%+39%

17Sioux County, IAIA36,77422.4%+13%

18Poweshiek County, IAIA18,36821.7%+18%

19Grundy County, IAIA12,36121.6%+26%

20Cerro Gordo County, IAIA42,37221.2%+4%

21Woodbury County, IAIA106,64920.8%+10%

22Ringgold County, IAIA4,64220.8%+55%

23Hardin County, IAIA16,45520.2%+18%

24Carroll County, IAIA20,30320.0%+25%

25Henry County, IAIA19,34919.9%+23%

26Muscatine County, IAIA41,85319.8%+16%

27Plymouth County, IAIA25,69719.8%+3%

28Boone County, IAIA26,79919.6%+4%

29Washington County, IAIA22,66719.4%+19%

30Winnebago County, IAIA10,25119.3%+18%

31O'Brien County, IAIA14,22019.3%+31%

32Cherokee County, IAIA11,36919.2%+27%

33Iowa County, IAIA16,50419.2%+22%

34Guthrie County, IAIA10,78218.9%+27%

35Marshall County, IAIA39,89018.7%+10%

36Cedar County, IAIA18,35918.6%+15%

37Buchanan County, IAIA20,88318.5%+46%

38Clay County, IAIA16,20218.5%+14%

39Ida County, IAIA6,77718.3%+34%

40Madison County, IAIA17,27018.2%+26%

41Sac County, IAIA9,52518.2%+34%

42Emmet County, IAIA9,10718.1%+39%

43Webster County, IAIA36,83818.0%+7%

44Calhoun County, IAIA9,56218.0%+17%

45Mahaska County, IAIA21,88017.9%+8%

46Benton County, IAIA26,00417.8%+28%

47Decatur County, IAIA7,65517.8%+18%

48Montgomery County, IAIA10,00217.6%+36%

49Des Moines County, IAIA38,07717.6%+10%

50Greene County, IAIA8,65817.5%+20%

51Fremont County, IAIA6,52217.4%+25%

52Pottawattamie County, IAIA92,99617.3%+15%

53Davis County, IAIA9,23017.0%+49%

54Clinton County, IAIA46,00217.0%+18%

55Page County, IAIA14,85616.7%+1%

56Kossuth County, IAIA14,32216.7%+23%

57Mitchell County, IAIA10,65016.6%+30%

58Appanoose County, IAIA12,07716.6%+36%

59Jasper County, IAIA38,15316.6%+4%

60Tama County, IAIA16,79616.5%+28%

61Fayette County, IAIA19,04716.5%+20%

62Pocahontas County, IAIA6,81916.4%+9%

63Hamilton County, IAIA14,94416.4%−6%

64Osceola County, IAIA5,98016.3%+21%

65Palo Alto County, IAIA8,89916.1%+16%

66Shelby County, IAIA11,68916.1%+5%

67Worth County, IAIA7,33816.0%+27%

68Jones County, IAIA21,25315.9%+26%

69Lyon County, IAIA12,35415.9%+11%

70Humboldt County, IAIA9,40915.9%+3%

71Wright County, IAIA12,80115.7%+16%

72Adams County, IAIA3,61715.6%+30%

73Union County, IAIA11,82915.6%+6%

74Harrison County, IAIA14,62315.5%+22%

75Hancock County, IAIA10,52815.4%+0%

76Monroe County, IAIA7,40615.1%+20%

77Audubon County, IAIA5,50915.0%+22%

78Jackson County, IAIA19,28815.0%+24%

79Crawford County, IAIA16,23715.0%+21%

80Floyd County, IAIA14,90114.9%+1%

81Clayton County, IAIA16,84514.9%+17%

82Wapello County, IAIA35,21014.9%+2%

83Butler County, IAIA14,04914.9%+20%

84Lee County, IAIA32,30614.8%+18%

85Monona County, IAIA8,53914.7%+9%

86Delaware County, IAIA17,67414.6%+12%

87Cass County, IAIA12,96014.5%−13%

88Franklin County, IAIA9,86814.4%−0%

89Keokuk County, IAIA9,79713.8%+19%

90Adair County, IAIA7,40313.6%+21%

91Van Buren County, IAIA7,13113.5%+14%

92Chickasaw County, IAIA11,66313.5%+10%

93Allamakee County, IAIA14,23813.5%−7%

94Louisa County, IAIA10,41613.1%+3%

95Clarke County, IAIA9,57412.9%+7%

96Taylor County, IAIA5,83512.3%+3%

97Howard County, IAIA9,41511.5%−9%

98Wayne County, IAIA6,73810.8%−11%

99Lucas County, IAIA8,84710.5%−5%

SHOWING 1–99 OF 99

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