RANKING · 2020 CENSUS · 99 SHOWN OF 99

Largest Danish population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Danish ancestry, from the 2020 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.

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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

RANKPLACESTATEPOPDANISH POPULATIONVS 2010

01Polk County, IAIA516,5465,713−14%

02Pottawattamie County, IAIA92,9964,360−30%

03Linn County, IAIA232,0282,256−23%

04Johnson County, IAIA160,0442,070+4%

05Black Hawk County, IAIA131,5321,966−35%

06Story County, IAIA101,2911,884−27%

07Dallas County, IAIA118,4571,691+27%

08Scott County, IAIA175,2591,606−6%

09Audubon County, IAIA5,5091,575−27%

10Woodbury County, IAIA106,6491,519−39%

11Shelby County, IAIA11,6891,315−41%

12Cass County, IAIA12,9601,257−32%

13Clinton County, IAIA46,0021,110−3%

14Cerro Gordo County, IAIA42,3721,105−10%

15Warren County, IAIA57,331902−8%

16Harrison County, IAIA14,623768−14%

17Clay County, IAIA16,202752+6%

18Dickinson County, IAIA18,077662+6%

19Dubuque County, IAIA99,381636+63%

20Marshall County, IAIA39,890575+11%

21Cedar County, IAIA18,359535+30%

22Webster County, IAIA36,838513−24%

23Boone County, IAIA26,799482−28%

24Guthrie County, IAIA10,782480−21%

25Monona County, IAIA8,539479−31%

26Mills County, IAIA14,793462+93%

27Buena Vista County, IAIA20,449440−51%

28Des Moines County, IAIA38,077405−20%

29Crawford County, IAIA16,237382−13%

30Humboldt County, IAIA9,409382−19%

31Emmet County, IAIA9,107380−48%

32Carroll County, IAIA20,303374−46%

33Winneshiek County, IAIA19,733368+33%

34Bremer County, IAIA25,296367−49%

35Adair County, IAIA7,403343−34%

36Plymouth County, IAIA25,697329−32%

37Grundy County, IAIA12,361327−18%

38Franklin County, IAIA9,868318−28%

39Winnebago County, IAIA10,251318−13%

40Page County, IAIA14,856298−7%

41Kossuth County, IAIA14,322297−56%

42Hamilton County, IAIA14,944296−28%

43Ida County, IAIA6,777283+4%

44Jefferson County, IAIA15,291270+57%

45Buchanan County, IAIA20,883268−54%

46Chickasaw County, IAIA11,663268+155%

47Floyd County, IAIA14,901255−7%

48Calhoun County, IAIA9,562254−6%

49Palo Alto County, IAIA8,899254−12%

50Sioux County, IAIA36,774250−42%

51O'Brien County, IAIA14,220234−25%

52Muscatine County, IAIA41,853231−58%

53Jasper County, IAIA38,153227−65%

54Poweshiek County, IAIA18,368219−24%

55Greene County, IAIA8,658218−7%

56Cherokee County, IAIA11,369218−56%

57Hardin County, IAIA16,455218−57%

58Marion County, IAIA34,192216−41%

59Wright County, IAIA12,801203−50%

60Hancock County, IAIA10,528202−30%

61Butler County, IAIA14,049201−31%

62Iowa County, IAIA16,504200+18%

63Fayette County, IAIA19,047185+12%

64Lee County, IAIA32,306184+30%

65Tama County, IAIA16,796181−28%

66Benton County, IAIA26,004161−56%

67Lyon County, IAIA12,354161−7%

68Jackson County, IAIA19,288160−43%

69Jones County, IAIA21,253155−47%

70Washington County, IAIA22,667148−41%

71Montgomery County, IAIA10,002138−51%

72Wapello County, IAIA35,210130−42%

73Mitchell County, IAIA10,650126−31%

74Pocahontas County, IAIA6,819124−47%

75Howard County, IAIA9,415119−34%

76Sac County, IAIA9,525113−48%

77Decatur County, IAIA7,655103−22%

78Worth County, IAIA7,33898−48%

79Mahaska County, IAIA21,88096+9%

80Allamakee County, IAIA14,23894−45%

81Clarke County, IAIA9,57492+31%

82Madison County, IAIA17,27090−77%

83Union County, IAIA11,82976−62%

84Delaware County, IAIA17,67474−30%

85Keokuk County, IAIA9,79771+129%

86Clayton County, IAIA16,84569−53%

87Taylor County, IAIA5,83562−33%

88Fremont County, IAIA6,52262−56%

89Monroe County, IAIA7,40655+206%

90Henry County, IAIA19,34948−67%

91Osceola County, IAIA5,98044−76%

92Lucas County, IAIA8,84741−65%

93Davis County, IAIA9,23037−68%

94Adams County, IAIA3,61736−68%

95Louisa County, IAIA10,41629+314%

96Appanoose County, IAIA12,07723−72%

97Ringgold County, IAIA4,64218−86%

98Wayne County, IAIA6,73810−77%

99Van Buren County, IAIA7,1313−93%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

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