RANKING · 2000 CENSUS · 99 SHOWN OF 99

Most educated, Iowa counties · 2000

Iowa counties ranked by the share of adults 25+ holding a bachelor's degree or higher (2000 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

Flip the list · Least educated, US counties →

IowaAll states All rankings

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 1990

01Johnson County, IAIA160,04447.6%+8%

02Story County, IAIA101,29144.5%+16%

03Jefferson County, IAIA15,29131.2%+18%

04Polk County, IAIA516,54629.7%+25%

05Linn County, IAIA232,02827.7%+29%

06Dallas County, IAIA118,45726.8%+64%

07Scott County, IAIA175,25924.9%+14%

08Black Hawk County, IAIA131,53223.0%+33%

09Bremer County, IAIA25,29621.5%+42%

10Dickinson County, IAIA18,07721.3%+22%

11Dubuque County, IAIA99,38121.3%+27%

12Warren County, IAIA57,33121.2%+31%

13Winneshiek County, IAIA19,73320.5%+20%

14Cerro Gordo County, IAIA42,37220.3%+31%

15Sioux County, IAIA36,77419.8%+37%

16Plymouth County, IAIA25,69719.3%+28%

17Woodbury County, IAIA106,64918.9%+13%

18Marion County, IAIA34,19218.9%+46%

19Boone County, IAIA26,79918.8%+37%

20Buena Vista County, IAIA20,44918.7%+23%

21Poweshiek County, IAIA18,36818.5%+14%

22Hamilton County, IAIA14,94417.5%+37%

23Grundy County, IAIA12,36117.2%+40%

24Muscatine County, IAIA41,85317.2%+32%

25Hardin County, IAIA16,45517.1%+38%

26Marshall County, IAIA39,89017.0%+8%

27Webster County, IAIA36,83816.9%+23%

28Cass County, IAIA12,96016.6%+33%

29Page County, IAIA14,85616.6%+22%

30Mahaska County, IAIA21,88016.5%+26%

31Winnebago County, IAIA10,25116.5%+17%

32Washington County, IAIA22,66716.4%+40%

33Mills County, IAIA14,79316.3%+29%

34Clay County, IAIA16,20216.3%+12%

35Cedar County, IAIA18,35916.3%+27%

36Henry County, IAIA19,34916.2%+11%

37Carroll County, IAIA20,30316.0%+42%

38Des Moines County, IAIA38,07716.0%+25%

39Jasper County, IAIA38,15315.9%+25%

40Iowa County, IAIA16,50415.8%+42%

41Hancock County, IAIA10,52815.4%+50%

42Calhoun County, IAIA9,56215.4%+33%

43Humboldt County, IAIA9,40915.4%+33%

44Shelby County, IAIA11,68915.3%+20%

45Cherokee County, IAIA11,36915.2%+41%

46Decatur County, IAIA7,65515.1%+23%

47Pottawattamie County, IAIA92,99615.0%+37%

48Pocahontas County, IAIA6,81915.0%+17%

49Guthrie County, IAIA10,78214.9%+51%

50Floyd County, IAIA14,90114.8%+21%

51Union County, IAIA11,82914.7%+15%

52O'Brien County, IAIA14,22014.7%+17%

53Greene County, IAIA8,65814.6%+7%

54Wapello County, IAIA35,21014.6%+33%

55Franklin County, IAIA9,86814.5%+18%

56Allamakee County, IAIA14,23814.4%+62%

57Madison County, IAIA17,27014.4%+20%

58Clinton County, IAIA46,00214.4%+11%

59Lyon County, IAIA12,35414.2%+39%

60Fremont County, IAIA6,52214.0%+24%

61Benton County, IAIA26,00413.9%+45%

62Palo Alto County, IAIA8,89913.9%+8%

63Fayette County, IAIA19,04713.8%+17%

64Ida County, IAIA6,77713.6%+24%

65Sac County, IAIA9,52513.6%+7%

66Kossuth County, IAIA14,32213.6%+15%

67Wright County, IAIA12,80113.5%+20%

68Monona County, IAIA8,53913.4%+30%

69Ringgold County, IAIA4,64213.4%+31%

70Osceola County, IAIA5,98013.4%+35%

71Emmet County, IAIA9,10713.0%+19%

72Delaware County, IAIA17,67413.0%+18%

73Tama County, IAIA16,79612.9%+15%

74Montgomery County, IAIA10,00212.9%+1%

75Mitchell County, IAIA10,65012.8%+16%

76Clayton County, IAIA16,84512.8%+42%

77Louisa County, IAIA10,41612.7%+38%

78Jones County, IAIA21,25312.7%+20%

79Worth County, IAIA7,33812.7%+16%

80Buchanan County, IAIA20,88312.7%+14%

81Harrison County, IAIA14,62312.7%+39%

82Howard County, IAIA9,41512.6%+54%

83Monroe County, IAIA7,40612.6%+58%

84Lee County, IAIA32,30612.5%+17%

85Butler County, IAIA14,04912.4%+32%

86Crawford County, IAIA16,23712.4%+26%

87Audubon County, IAIA5,50912.3%+26%

88Chickasaw County, IAIA11,66312.2%+24%

89Appanoose County, IAIA12,07712.2%+6%

90Wayne County, IAIA6,73812.1%+45%

91Jackson County, IAIA19,28812.1%+20%

92Clarke County, IAIA9,57412.1%+37%

93Adams County, IAIA3,61712.0%+28%

94Taylor County, IAIA5,83512.0%+38%

95Van Buren County, IAIA7,13111.8%+23%

96Keokuk County, IAIA9,79711.6%+24%

97Davis County, IAIA9,23011.4%+9%

98Adair County, IAIA7,40311.2%+14%

99Lucas County, IAIA8,84711.1%+17%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

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