RANKING · 2024 ACS · 99 SHOWN OF 99

Highest German population share, Iowa counties

Iowa counties ranked by the share of all residents who are German ancestry (2024 American Community Survey). A concentration measure: German residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPGERMAN SHAREVS 2010

01Carroll County, IAIA20,30351.6%−11.2 pts

02Chickasaw County, IAIA11,66349.6%−6.7 pts

03Butler County, IAIA14,04947.6%−12.2 pts

04Bremer County, IAIA25,29646.8%−13.2 pts

05Clayton County, IAIA16,84546.6%−14.0 pts

06Delaware County, IAIA17,67446.5%−11.3 pts

07Kossuth County, IAIA14,32246.4%−5.6 pts

08Ida County, IAIA6,77744.9%−14.4 pts

09Dubuque County, IAIA99,38144.7%−12.1 pts

10Grundy County, IAIA12,36144.2%−13.2 pts

11Cherokee County, IAIA11,36943.1%−4.6 pts

12Clay County, IAIA16,20242.9%−2.6 pts

13Floyd County, IAIA14,90142.3%−10.5 pts

14Mitchell County, IAIA10,65041.5%−11.7 pts

15Sac County, IAIA9,52541.4%−16.6 pts

16Cedar County, IAIA18,35941.2%−8.9 pts

17Dickinson County, IAIA18,07741.0%−5.1 pts

18Fayette County, IAIA19,04740.9%−9.2 pts

19Franklin County, IAIA9,86840.7%−6.7 pts

20Jackson County, IAIA19,28840.4%−15.6 pts

21Palo Alto County, IAIA8,89940.1%−3.0 pts

22Winnebago County, IAIA10,25140.0%+1.0 pts

23Buchanan County, IAIA20,88339.8%−9.1 pts

24Hardin County, IAIA16,45539.8%−11.0 pts

25O'Brien County, IAIA14,22039.7%−7.3 pts

26Plymouth County, IAIA25,69739.0%−15.0 pts

27Hancock County, IAIA10,52838.6%−9.4 pts

28Howard County, IAIA9,41538.6%−9.5 pts

29Winneshiek County, IAIA19,73338.0%−11.1 pts

30Iowa County, IAIA16,50437.5%−16.8 pts

31Jones County, IAIA21,25337.4%−13.1 pts

32Benton County, IAIA26,00437.3%−10.8 pts

33Shelby County, IAIA11,68937.2%−12.8 pts

34Adair County, IAIA7,40336.7%−6.2 pts

35Allamakee County, IAIA14,23836.0%−12.9 pts

36Calhoun County, IAIA9,56236.0%−15.8 pts

37Pocahontas County, IAIA6,81936.0%−9.2 pts

38Clinton County, IAIA46,00235.7%−11.8 pts

39Lyon County, IAIA12,35435.0%−12.1 pts

40Boone County, IAIA26,79934.6%−1.4 pts

41Cerro Gordo County, IAIA42,37234.6%−8.7 pts

42Crawford County, IAIA16,23734.4%−17.0 pts

43Harrison County, IAIA14,62333.9%−10.2 pts

44Osceola County, IAIA5,98033.6%−14.4 pts

45Worth County, IAIA7,33833.6%−10.3 pts

46Monona County, IAIA8,53933.5%−9.3 pts

47Van Buren County, IAIA7,13133.2%+0.9 pts

48Lee County, IAIA32,30633.0%−6.1 pts

49Humboldt County, IAIA9,40932.8%−10.8 pts

50Audubon County, IAIA5,50932.7%−11.3 pts

51Fremont County, IAIA6,52231.1%−1.9 pts

52Greene County, IAIA8,65831.0%−12.4 pts

53Scott County, IAIA175,25930.7%−6.3 pts

54Keokuk County, IAIA9,79730.6%−10.2 pts

55Poweshiek County, IAIA18,36830.6%−9.0 pts

56Mills County, IAIA14,79330.6%−4.7 pts

57Henry County, IAIA19,34930.5%−6.4 pts

58Linn County, IAIA232,02830.3%−10.8 pts

59Madison County, IAIA17,27030.2%−2.2 pts

60Black Hawk County, IAIA131,53230.2%−11.5 pts

61Emmet County, IAIA9,10730.2%−9.3 pts

62Guthrie County, IAIA10,78229.9%−11.9 pts

63Warren County, IAIA57,33129.9%−7.4 pts

64Hamilton County, IAIA14,94429.8%−6.2 pts

65Dallas County, IAIA118,45729.6%−8.3 pts

66Wright County, IAIA12,80129.3%−7.5 pts

67Des Moines County, IAIA38,07729.2%−8.3 pts

68Tama County, IAIA16,79629.1%−10.5 pts

69Washington County, IAIA22,66729.0%−12.7 pts

70Cass County, IAIA12,96028.9%−13.7 pts

71Story County, IAIA101,29128.6%−8.0 pts

72Pottawattamie County, IAIA92,99628.1%−12.2 pts

73Johnson County, IAIA160,04428.0%−9.1 pts

74Adams County, IAIA3,61727.8%−5.8 pts

75Webster County, IAIA36,83827.2%−9.5 pts

76Davis County, IAIA9,23027.0%−2.9 pts

77Woodbury County, IAIA106,64926.0%−9.2 pts

78Jasper County, IAIA38,15325.9%−4.5 pts

79Lucas County, IAIA8,84725.5%−7.8 pts

80Union County, IAIA11,82925.2%−3.5 pts

81Polk County, IAIA516,54624.5%−6.0 pts

82Muscatine County, IAIA41,85324.4%−13.3 pts

83Marion County, IAIA34,19224.0%−3.4 pts

84Buena Vista County, IAIA20,44923.7%−10.6 pts

85Ringgold County, IAIA4,64223.4%−7.8 pts

86Marshall County, IAIA39,89023.2%−10.8 pts

87Montgomery County, IAIA10,00221.9%−9.6 pts

88Clarke County, IAIA9,57421.8%−7.6 pts

89Page County, IAIA14,85621.6%−9.2 pts

90Sioux County, IAIA36,77421.5%−3.2 pts

91Louisa County, IAIA10,41621.3%−17.3 pts

92Appanoose County, IAIA12,07721.2%−3.7 pts

93Mahaska County, IAIA21,88020.5%−5.5 pts

94Monroe County, IAIA7,40620.1%−5.1 pts

95Decatur County, IAIA7,65519.6%−2.2 pts

96Taylor County, IAIA5,83518.5%−8.4 pts

97Wayne County, IAIA6,73818.0%−7.1 pts

98Wapello County, IAIA35,21017.6%−5.8 pts

99Jefferson County, IAIA15,29116.4%−12.8 pts

SHOWING 1–99 OF 99

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES