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. The median across all 99 is 5,117. Biggest climber in the top 100 since 2020: Madison County, IA, up 8 places to #50.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

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%

07▲3Dallas County, IAIA118,45732,007+37%

08▼1Story County, IAIA101,29128,749−10%

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

10▼2Pottawattamie 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%

17▲1Carroll County, IAIA20,30310,634−19%

18▲1Muscatine County, IAIA41,85310,388−35%

19▼2Plymouth County, IAIA25,69710,029−25%

20▲2Webster County, IAIA36,83810,016−29%

21Jasper County, IAIA38,1539,815−13%

22▲1Benton County, IAIA26,0049,593−24%

23▼3Marshall County, IAIA39,8909,300−32%

24Boone County, IAIA26,7999,235−3%

25▲4Buchanan County, IAIA20,8838,241−20%

26▲5Delaware County, IAIA17,6748,168−21%

27Marion County, IAIA34,1928,059−12%

28▲7Clayton County, IAIA16,8457,935−28%

29▲3Fayette County, IAIA19,0477,882−25%

30▼4Jackson County, IAIA19,2887,842−30%

31▼3Jones County, IAIA21,2537,813−25%

32▼7Sioux County, IAIA36,7747,775−6%

33Cedar County, IAIA18,3597,557−18%

34▼4Winneshiek County, IAIA19,7337,552−27%

35▲1Dickinson County, IAIA18,0777,373−4%

36▲7Clay County, IAIA16,2027,067−7%

37Butler County, IAIA14,0496,793−24%

38▲4Kossuth County, IAIA14,3226,731−18%

39▼1Hardin County, IAIA16,4556,615−26%

40▼1Washington County, IAIA22,6676,538−28%

41▼1Floyd County, IAIA14,9016,486−25%

42▼8Wapello County, IAIA35,2106,240−25%

43▼2Iowa County, IAIA16,5046,191−30%

44Henry County, IAIA19,3496,105−18%

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

46▲6Poweshiek County, IAIA18,3685,679−25%

47▲4O'Brien County, IAIA14,2205,608−17%

48▼2Crawford County, IAIA16,2375,595−36%

49▼1Grundy County, IAIA12,3615,469−23%

50▲8Madison County, IAIA17,2705,117+2%

51▼4Allamakee County, IAIA14,2385,074−28%

52▲7Cherokee County, IAIA11,3695,000−13%

53▲4Harrison County, IAIA14,6234,967−25%

54Tama County, IAIA16,7964,916−31%

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

56▼6Mahaska County, IAIA21,8804,508−22%

57▼1Mills County, IAIA14,7934,454−17%

58▼9Hamilton County, IAIA14,9444,433−22%

59▲1Mitchell County, IAIA10,6504,387−24%

60▼7Shelby County, IAIA11,6894,382−29%

61Lyon County, IAIA12,3544,261−22%

62▲7Winnebago County, IAIA10,2514,238−1%

63▲4Hancock County, IAIA10,5284,117−25%

64▲1Franklin County, IAIA9,8684,054−20%

65▼1Sac County, IAIA9,5254,008−34%

66▼4Cass County, IAIA12,9603,786−36%

67▼4Wright County, IAIA12,8013,752−24%

68▲5Howard County, IAIA9,4153,642−21%

69▲2Palo Alto County, IAIA8,8993,556−13%

70▼2Calhoun County, IAIA9,5623,526−31%

71▼5Page County, IAIA14,8563,273−34%

72▼2Guthrie County, IAIA10,7823,196−31%

73▲3Humboldt County, IAIA9,4093,147−27%

74Ida County, IAIA6,7773,103−27%

75Keokuk County, IAIA9,7973,040−30%

76▲3Union County, IAIA11,8293,017−15%

77Monona County, IAIA8,5392,870−28%

78Emmet County, IAIA9,1072,798−32%

79▲7Adair County, IAIA7,4032,738−18%

80▲2Greene County, IAIA8,6582,693−34%

81▼9Jefferson County, IAIA15,2912,583−47%

82▼1Appanoose County, IAIA12,0772,578−20%

83▼3Pocahontas County, IAIA6,8192,534−25%

84▲7Davis County, IAIA9,2302,472−5%

85▲3Worth County, IAIA7,3382,471−26%

86▲3Van Buren County, IAIA7,1312,405−3%

87▼3Louisa County, IAIA10,4162,277−50%

88▼5Montgomery County, IAIA10,0022,236−35%

89▼2Lucas County, IAIA8,8472,225−27%

90▲2Clarke County, IAIA9,5742,106−22%

91▼6Osceola County, IAIA5,9802,052−35%

92▼2Fremont County, IAIA6,5222,025−18%

93▲1Audubon County, IAIA5,5091,832−33%

94▲1Decatur County, IAIA7,6551,520−18%

95▼2Monroe County, IAIA7,4061,513−24%

96Wayne County, IAIA6,7381,174−27%

97▲2Ringgold County, IAIA4,6421,085−33%

98▼1Taylor County, IAIA5,8351,083−37%

99▼1Adams County, IAIA3,6171,006−27%

SHOWING 1–99 OF 99

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES