RANKING · 2024 ACS · 99 SHOWN OF 99

Most college graduates, Iowa counties

Iowa counties with the most adults 25 and over holding a bachelor's degree or higher, as of the 2024 American Community Survey. Ranked by number of graduates, not the share. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost educated Least educated Most graduate degrees Fewest graduate degrees

RANKPLACESTATEPOPCOLLEGE GRADUATESVS 2020

01Polk County, IAIA516,546135,414+12%

02Linn County, IAIA232,02854,730+5%

03Johnson County, IAIA160,04451,757+7%

04Scott County, IAIA175,25943,706+14%

05Dallas County, IAIA118,45736,672+23%

06Story County, IAIA101,29129,153+9%

07Black Hawk County, IAIA131,53225,230+3%

08Dubuque County, IAIA99,38122,362+9%

09Woodbury County, IAIA106,64916,552+7%

10Pottawattamie County, IAIA92,99615,144+9%

11Warren County, IAIA57,33112,066+15%

12Cerro Gordo County, IAIA42,3727,357+4%

13Clinton County, IAIA46,0027,224+15%

14Marion County, IAIA34,1927,200+6%

15Muscatine County, IAIA41,8536,671+8%

16Sioux County, IAIA36,7746,568+7%

17Des Moines County, IAIA38,0776,442+19%

18Bremer County, IAIA25,2966,028+11%

19Marshall County, IAIA39,8905,979+9%

20Webster County, IAIA36,8385,457+5%

21Boone County, IAIA26,7995,449+15%

22Jasper County, IAIA38,1535,350+7%

23Lee County, IAIA32,3065,123+15%

24Jefferson County, IAIA15,2915,084+6%

25Wapello County, IAIA35,2104,708−0%

26Benton County, IAIA26,0044,604+27%

27Dickinson County, IAIA18,0774,216+2%

28Winneshiek County, IAIA19,7334,213+7%

29Washington County, IAIA22,6674,038+22%

30Plymouth County, IAIA25,6973,796+0%

31Mahaska County, IAIA21,8803,533+12%

32Carroll County, IAIA20,3033,368+4%

33Poweshiek County, IAIA18,3683,339−1%

34Jones County, IAIA21,2533,339+14%

35Henry County, IAIA19,3493,182+4%

36Mills County, IAIA14,7933,172+17%

37Clay County, IAIA16,2023,155+18%

38Cedar County, IAIA18,3593,138+14%

39Buchanan County, IAIA20,8833,118+1%

40Madison County, IAIA17,2703,113+11%

41Buena Vista County, IAIA20,4492,901+12%

42Iowa County, IAIA16,5042,881+17%

43Fayette County, IAIA19,0472,790+12%

44Delaware County, IAIA17,6742,760+34%

45Jackson County, IAIA19,2882,697+1%

46Hardin County, IAIA16,4552,683+4%

47Grundy County, IAIA12,3612,406+3%

48Tama County, IAIA16,7962,369+32%

49Kossuth County, IAIA14,3222,367+24%

50Hamilton County, IAIA14,9442,353−7%

51Harrison County, IAIA14,6232,245+19%

52Page County, IAIA14,8562,172−4%

53Butler County, IAIA14,0492,167+16%

54Allamakee County, IAIA14,2382,146+22%

55Wright County, IAIA12,8012,132+48%

56O'Brien County, IAIA14,2202,126+3%

57Cass County, IAIA12,9602,041−5%

58Shelby County, IAIA11,6891,970+13%

59Cherokee County, IAIA11,3691,949+5%

60Floyd County, IAIA14,9011,945−9%

61Guthrie County, IAIA10,7821,936+27%

62Winnebago County, IAIA10,2511,913+17%

63Union County, IAIA11,8291,912+1%

64Crawford County, IAIA16,2371,880+13%

65Mitchell County, IAIA10,6501,817+13%

66Appanoose County, IAIA12,0771,764+8%

67Clayton County, IAIA16,8451,764−18%

68Chickasaw County, IAIA11,6631,731+18%

69Lyon County, IAIA12,3541,590+8%

70Hancock County, IAIA10,5281,554−8%

71Sac County, IAIA9,5251,547+26%

72Calhoun County, IAIA9,5621,530+12%

73Montgomery County, IAIA10,0021,471+7%

74Franklin County, IAIA9,8681,323+0%

75Greene County, IAIA8,6581,305+5%

76Humboldt County, IAIA9,4091,287−4%

77Louisa County, IAIA10,4161,266−3%

78Howard County, IAIA9,4151,233+6%

79Monona County, IAIA8,5391,197+21%

80Keokuk County, IAIA9,7971,181−10%

81Palo Alto County, IAIA8,8991,150−25%

82Decatur County, IAIA7,6551,124−12%

83Emmet County, IAIA9,1071,119−7%

84Monroe County, IAIA7,4061,114+4%

85Adair County, IAIA7,4031,045+5%

86Worth County, IAIA7,3381,025+6%

87Ida County, IAIA6,7771,016+23%

88Clarke County, IAIA9,5741,010−1%

89Fremont County, IAIA6,522980+4%

90Davis County, IAIA9,230978−7%

91Lucas County, IAIA8,847963−3%

92Van Buren County, IAIA7,131948+15%

93Pocahontas County, IAIA6,819910+20%

94Audubon County, IAIA5,509847+12%

95Ringgold County, IAIA4,642796+22%

96Wayne County, IAIA6,738754+22%

97Osceola County, IAIA5,980719+13%

98Adams County, IAIA3,617702+53%

99Taylor County, IAIA5,835657+5%

SHOWING 1–99 OF 99

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