RANKING · 2010 CENSUS · 99 SHOWN OF 99

Largest Danish population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Danish ancestry, from the 2023 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.

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

RANKPLACESTATEPOPDANISH POPULATIONVS 2000

01Polk County, IAIA516,5466,632–

02Pottawattamie County, IAIA92,9966,235–

03Black Hawk County, IAIA131,5323,043–

04Linn County, IAIA232,0282,933–

05Story County, IAIA101,2912,582–

06Woodbury County, IAIA106,6492,485–

07Shelby County, IAIA11,6892,236–

08Audubon County, IAIA5,5092,170–

09Johnson County, IAIA160,0441,995–

10Cass County, IAIA12,9601,855–

11Scott County, IAIA175,2591,705–

12Dallas County, IAIA118,4571,335–

13Cerro Gordo County, IAIA42,3721,221–

14Clinton County, IAIA46,0021,142–

15Warren County, IAIA57,331977–

16Harrison County, IAIA14,623897–

17Buena Vista County, IAIA20,449889–

18Emmet County, IAIA9,107736–

19Bremer County, IAIA25,296715–

20Clay County, IAIA16,202712–

21Carroll County, IAIA20,303699–

22Monona County, IAIA8,539693–

23Webster County, IAIA36,838675–

24Kossuth County, IAIA14,322670–

25Boone County, IAIA26,799668–

26Jasper County, IAIA38,153656–

27Dickinson County, IAIA18,077622–

28Guthrie County, IAIA10,782610–

29Buchanan County, IAIA20,883587–

30Muscatine County, IAIA41,853549–

31Adair County, IAIA7,403519–

32Marshall County, IAIA39,890516–

33Hardin County, IAIA16,455511–

34Des Moines County, IAIA38,077505–

35Cherokee County, IAIA11,369491–

36Plymouth County, IAIA25,697486–

37Humboldt County, IAIA9,409471–

38Franklin County, IAIA9,868440–

39Crawford County, IAIA16,237437–

40Sioux County, IAIA36,774432–

41Cedar County, IAIA18,359412–

42Hamilton County, IAIA14,944409–

43Wright County, IAIA12,801405–

44Grundy County, IAIA12,361399–

45Madison County, IAIA17,270398–

46Dubuque County, IAIA99,381391–

47Benton County, IAIA26,004368–

48Marion County, IAIA34,192368–

49Winnebago County, IAIA10,251364–

50Page County, IAIA14,856322–

51O'Brien County, IAIA14,220310–

52Jones County, IAIA21,253295–

53Butler County, IAIA14,049291–

54Palo Alto County, IAIA8,899290–

55Hancock County, IAIA10,528289–

56Poweshiek County, IAIA18,368288–

57Montgomery County, IAIA10,002283–

58Jackson County, IAIA19,288279–

59Winneshiek County, IAIA19,733276–

60Floyd County, IAIA14,901273–

61Ida County, IAIA6,777273–

62Calhoun County, IAIA9,562270–

63Tama County, IAIA16,796253–

64Washington County, IAIA22,667249–

65Mills County, IAIA14,793240–

66Pocahontas County, IAIA6,819236–

67Greene County, IAIA8,658235–

68Wapello County, IAIA35,210225–

69Sac County, IAIA9,525218–

70Union County, IAIA11,829200–

71Worth County, IAIA7,338190–

72Osceola County, IAIA5,980186–

73Mitchell County, IAIA10,650183–

74Howard County, IAIA9,415180–

75Lyon County, IAIA12,354174–

76Allamakee County, IAIA14,238172–

77Jefferson County, IAIA15,291172–

78Iowa County, IAIA16,504169–

79Fayette County, IAIA19,047165–

80Clayton County, IAIA16,845147–

81Henry County, IAIA19,349144–

82Lee County, IAIA32,306142–

83Fremont County, IAIA6,522140–

84Decatur County, IAIA7,655132–

85Ringgold County, IAIA4,642127–

86Davis County, IAIA9,230116–

87Lucas County, IAIA8,847116–

88Adams County, IAIA3,617112–

89Chickasaw County, IAIA11,663105–

90Delaware County, IAIA17,674105–

91Taylor County, IAIA5,83592–

92Mahaska County, IAIA21,88088–

93Appanoose County, IAIA12,07782–

94Clarke County, IAIA9,57470–

95Wayne County, IAIA6,73843–

96Van Buren County, IAIA7,13141–

97Keokuk County, IAIA9,79731–

98Monroe County, IAIA7,40618–

99Louisa County, IAIA10,4167–

SHOWING 1–99 OF 99

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES