RANKING · 2020 CENSUS · 99 SHOWN OF 99

Fewest graduate degrees, Iowa counties · 2020

Iowa counties with the smallest share of adults 25+ holding a graduate or professional degree (2020 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 5.7%.

Flip the list · Most graduate degrees, US counties →

IowaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Pocahontas County, IAIA6,8193.0%+0.1 pts

02Franklin County, IAIA9,8683.3%0.0 pts

03Taylor County, IAIA5,8353.5%−0.1 pts

04Osceola County, IAIA5,9803.6%−0.9 pts

05Monroe County, IAIA7,4063.7%+0.6 pts

06Wright County, IAIA12,8013.8%0.0 pts

07Ida County, IAIA6,7773.8%+0.9 pts

08Adams County, IAIA3,6173.8%+0.9 pts

09Humboldt County, IAIA9,4093.9%+0.1 pts

10Louisa County, IAIA10,4164.1%+0.7 pts

11Lucas County, IAIA8,8474.1%+1.2 pts

12Butler County, IAIA14,0494.2%+0.8 pts

13Hancock County, IAIA10,5284.2%+0.4 pts

14Crawford County, IAIA16,2374.2%+1.0 pts

15Tama County, IAIA16,7964.2%+1.3 pts

16Appanoose County, IAIA12,0774.2%+1.1 pts

17Fremont County, IAIA6,5224.2%+1.2 pts

18Clarke County, IAIA9,5744.3%+1.1 pts

19Clayton County, IAIA16,8454.3%+0.9 pts

20Kossuth County, IAIA14,3224.3%+1.0 pts

21Wayne County, IAIA6,7384.4%+0.8 pts

22Howard County, IAIA9,4154.5%+1.1 pts

23Davis County, IAIA9,2304.5%+1.2 pts

24Lyon County, IAIA12,3544.6%+1.3 pts

25Montgomery County, IAIA10,0024.7%+1.4 pts

26Emmet County, IAIA9,1074.7%+1.2 pts

27Winnebago County, IAIA10,2514.7%+0.4 pts

28Monona County, IAIA8,5394.7%+1.7 pts

29Sac County, IAIA9,5254.8%+1.4 pts

30Adair County, IAIA7,4034.8%+2.5 pts

31Lee County, IAIA32,3064.9%+1.5 pts

32Keokuk County, IAIA9,7974.9%+2.1 pts

33Allamakee County, IAIA14,2384.9%+1.1 pts

34O'Brien County, IAIA14,2204.9%+1.6 pts

35Audubon County, IAIA5,5095.0%+0.9 pts

36Floyd County, IAIA14,9015.1%+1.3 pts

37Greene County, IAIA8,6585.2%+1.8 pts

38Carroll County, IAIA20,3035.3%+1.8 pts

39Delaware County, IAIA17,6745.3%+2.2 pts

40Chickasaw County, IAIA11,6635.3%+2.1 pts

41Fayette County, IAIA19,0475.4%+1.7 pts

42Clinton County, IAIA46,0025.4%+1.5 pts

43Plymouth County, IAIA25,6975.4%+1.0 pts

44Cedar County, IAIA18,3595.4%+1.8 pts

45Shelby County, IAIA11,6895.5%+1.4 pts

46Page County, IAIA14,8565.5%+0.7 pts

47Van Buren County, IAIA7,1315.5%+1.9 pts

48Worth County, IAIA7,3385.6%+2.6 pts

49Jasper County, IAIA38,1535.6%+1.2 pts

50Mitchell County, IAIA10,6505.7%+2.9 pts

51Hamilton County, IAIA14,9445.8%+1.3 pts

52Jones County, IAIA21,2535.9%+2.6 pts

53Iowa County, IAIA16,5045.9%+1.7 pts

54Harrison County, IAIA14,6236.0%+2.9 pts

55Jackson County, IAIA19,2886.1%+2.1 pts

56Webster County, IAIA36,8386.1%+1.0 pts

57Mahaska County, IAIA21,8806.2%+1.8 pts

58Washington County, IAIA22,6676.2%+1.4 pts

59Benton County, IAIA26,0046.2%+2.6 pts

60Henry County, IAIA19,3496.3%+1.5 pts

61Marshall County, IAIA39,8906.3%+1.8 pts

62Ringgold County, IAIA4,6426.3%+1.7 pts

63Buena Vista County, IAIA20,4496.4%+1.7 pts

64Buchanan County, IAIA20,8836.4%+3.3 pts

65Grundy County, IAIA12,3616.4%+1.9 pts

66Guthrie County, IAIA10,7826.4%+2.9 pts

67Hardin County, IAIA16,4556.5%+2.0 pts

68Des Moines County, IAIA38,0776.6%+1.4 pts

69Calhoun County, IAIA9,5626.7%+2.6 pts

70Cass County, IAIA12,9606.8%+2.2 pts

71Palo Alto County, IAIA8,8996.9%+3.1 pts

72Mills County, IAIA14,7936.9%+2.5 pts

73Pottawattamie County, IAIA92,9966.9%+2.4 pts

74Muscatine County, IAIA41,8536.9%+2.1 pts

75Union County, IAIA11,8297.0%+3.4 pts

76Clay County, IAIA16,2027.0%+4.1 pts

77Wapello County, IAIA35,2107.3%+2.4 pts

78Boone County, IAIA26,7997.4%+2.5 pts

79Cerro Gordo County, IAIA42,3727.5%+1.4 pts

80Woodbury County, IAIA106,6497.6%+1.5 pts

81Cherokee County, IAIA11,3697.6%+3.5 pts

82Madison County, IAIA17,2707.8%+4.4 pts

83Dickinson County, IAIA18,0778.4%+2.9 pts

84Sioux County, IAIA36,7748.5%+2.1 pts

85Warren County, IAIA57,3319.4%+3.4 pts

86Black Hawk County, IAIA131,5329.8%+1.2 pts

87Marion County, IAIA34,1929.9%+4.4 pts

88Bremer County, IAIA25,29610.5%+4.2 pts

89Linn County, IAIA232,02810.5%+3.3 pts

90Dubuque County, IAIA99,38111.3%+4.5 pts

91Winneshiek County, IAIA19,73311.3%+5.1 pts

92Polk County, IAIA516,54611.6%+2.9 pts

93Decatur County, IAIA7,65512.0%+6.6 pts

94Scott County, IAIA175,25912.1%+4.0 pts

95Poweshiek County, IAIA18,36813.3%+6.5 pts

96Jefferson County, IAIA15,29115.4%+3.6 pts

97Dallas County, IAIA118,45716.1%+9.6 pts

98Story County, IAIA101,29122.0%+2.4 pts

99Johnson County, IAIA160,04425.2%+3.8 pts

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS