RANKING · 2024 ACS · 99 SHOWN OF 99

Largest German population, Iowa counties

Iowa counties ranked by the number of residents who are German ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

German Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPGERMAN POPULATIONVS 2010

01Polk County, IAIA516,546123,418−4%

02Linn County, IAIA232,02869,592−19%

03Scott County, IAIA175,25953,607−11%

04Dubuque County, IAIA99,38144,217−16%

05Johnson County, IAIA160,04443,919−7%

06Black Hawk County, IAIA131,53239,603−27%

07Dallas County, IAIA118,45732,007+37%

08Story County, IAIA101,29128,749−10%

09Woodbury County, IAIA106,64927,621−22%

10Pottawattamie County, IAIA92,99626,226−29%

11Clinton County, IAIA46,00216,502−29%

12Warren County, IAIA57,33116,243−4%

13Cerro Gordo County, IAIA42,37214,755−23%

14Bremer County, IAIA25,29611,792−19%

15Des Moines County, IAIA38,07711,227−26%

16Lee County, IAIA32,30610,854−23%

17Carroll County, IAIA20,30310,634−19%

18Muscatine County, IAIA41,85310,388−35%

19Plymouth County, IAIA25,69710,029−25%

20Webster County, IAIA36,83810,016−29%

21Jasper County, IAIA38,1539,815−13%

22Benton County, IAIA26,0049,593−24%

23Marshall County, IAIA39,8909,300−32%

24Boone County, IAIA26,7999,235−3%

25Buchanan County, IAIA20,8838,241−20%

26Delaware County, IAIA17,6748,168−21%

27Marion County, IAIA34,1928,059−12%

28Clayton County, IAIA16,8457,935−28%

29Fayette County, IAIA19,0477,882−25%

30Jackson County, IAIA19,2887,842−30%

31Jones County, IAIA21,2537,813−25%

32Sioux County, IAIA36,7747,775−6%

33Cedar County, IAIA18,3597,557−18%

34Winneshiek County, IAIA19,7337,552−27%

35Dickinson County, IAIA18,0777,373−4%

36Clay County, IAIA16,2027,067−7%

37Butler County, IAIA14,0496,793−24%

38Kossuth County, IAIA14,3226,731−18%

39Hardin County, IAIA16,4556,615−26%

40Washington County, IAIA22,6676,538−28%

41Floyd County, IAIA14,9016,486−25%

42Wapello County, IAIA35,2106,240−25%

43Iowa County, IAIA16,5046,191−30%

44Henry County, IAIA19,3496,105−18%

45Chickasaw County, IAIA11,6635,853−17%

46Poweshiek County, IAIA18,3685,679−25%

47O'Brien County, IAIA14,2205,608−17%

48Crawford County, IAIA16,2375,595−36%

49Grundy County, IAIA12,3615,469−23%

50Madison County, IAIA17,2705,117+2%

51Allamakee County, IAIA14,2385,074−28%

52Cherokee County, IAIA11,3695,000−13%

53Harrison County, IAIA14,6234,967−25%

54Tama County, IAIA16,7964,916−31%

55Buena Vista County, IAIA20,4494,910−28%

56Mahaska County, IAIA21,8804,508−22%

57Mills County, IAIA14,7934,454−17%

58Hamilton County, IAIA14,9444,433−22%

59Mitchell County, IAIA10,6504,387−24%

60Shelby County, IAIA11,6894,382−29%

61Lyon County, IAIA12,3544,261−22%

62Winnebago County, IAIA10,2514,238−1%

63Hancock County, IAIA10,5284,117−25%

64Franklin County, IAIA9,8684,054−20%

65Sac County, IAIA9,5254,008−34%

66Cass County, IAIA12,9603,786−36%

67Wright County, IAIA12,8013,752−24%

68Howard County, IAIA9,4153,642−21%

69Palo Alto County, IAIA8,8993,556−13%

70Calhoun County, IAIA9,5623,526−31%

71Page County, IAIA14,8563,273−34%

72Guthrie County, IAIA10,7823,196−31%

73Humboldt County, IAIA9,4093,147−27%

74Ida County, IAIA6,7773,103−27%

75Keokuk County, IAIA9,7973,040−30%

76Union County, IAIA11,8293,017−15%

77Monona County, IAIA8,5392,870−28%

78Emmet County, IAIA9,1072,798−32%

79Adair County, IAIA7,4032,738−18%

80Greene County, IAIA8,6582,693−34%

81Jefferson County, IAIA15,2912,583−47%

82Appanoose County, IAIA12,0772,578−20%

83Pocahontas County, IAIA6,8192,534−25%

84Davis County, IAIA9,2302,472−5%

85Worth County, IAIA7,3382,471−26%

86Van Buren County, IAIA7,1312,405−3%

87Louisa County, IAIA10,4162,277−50%

88Montgomery County, IAIA10,0022,236−35%

89Lucas County, IAIA8,8472,225−27%

90Clarke County, IAIA9,5742,106−22%

91Osceola County, IAIA5,9802,052−35%

92Fremont County, IAIA6,5222,025−18%

93Audubon County, IAIA5,5091,832−33%

94Decatur County, IAIA7,6551,520−18%

95Monroe County, IAIA7,4061,513−24%

96Wayne County, IAIA6,7381,174−27%

97Ringgold County, IAIA4,6421,085−33%

98Taylor County, IAIA5,8351,083−37%

99Adams County, IAIA3,6171,006−27%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

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