RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Danish population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Danish ancestry (2023 American Community Survey). A concentration measure: Danish residents as a percentage of total population. 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 SHAREVS 2000

01Audubon County, IAIA5,50928.5%–

02Shelby County, IAIA11,68911.4%–

03Cass County, IAIA12,9609.7%–

04Monona County, IAIA8,5395.5%–

05Harrison County, IAIA14,6235.5%–

06Adair County, IAIA7,4034.9%–

07Pottawattamie County, IAIA92,9964.7%–

08Clay County, IAIA16,2024.7%–

09Guthrie County, IAIA10,7824.5%–

10Ida County, IAIA6,7774.1%–

11Emmet County, IAIA9,1074.1%–

12Humboldt County, IAIA9,4094.0%–

13Dickinson County, IAIA18,0773.8%–

14Franklin County, IAIA9,8683.2%–

15Mills County, IAIA14,7933.1%–

16Winnebago County, IAIA10,2513.0%–

17Cedar County, IAIA18,3592.9%–

18Palo Alto County, IAIA8,8992.8%–

19Grundy County, IAIA12,3612.7%–

20Calhoun County, IAIA9,5622.6%–

21Cerro Gordo County, IAIA42,3722.6%–

22Greene County, IAIA8,6582.4%–

23Clinton County, IAIA46,0022.4%–

24Crawford County, IAIA16,2372.2%–

25Chickasaw County, IAIA11,6632.2%–

26Buena Vista County, IAIA20,4492.2%–

27Kossuth County, IAIA14,3222.0%–

28Hamilton County, IAIA14,9442.0%–

29Page County, IAIA14,8562.0%–

30Story County, IAIA101,2911.9%–

31Cherokee County, IAIA11,3691.9%–

32Hancock County, IAIA10,5281.9%–

33Dallas County, IAIA118,4571.9%–

34Carroll County, IAIA20,3031.9%–

35Pocahontas County, IAIA6,8191.8%–

36Winneshiek County, IAIA19,7331.8%–

37Boone County, IAIA26,7991.8%–

38Warren County, IAIA57,3311.8%–

39O'Brien County, IAIA14,2201.7%–

40Floyd County, IAIA14,9011.6%–

41Wright County, IAIA12,8011.6%–

42Black Hawk County, IAIA131,5321.5%–

43Jefferson County, IAIA15,2911.5%–

44Woodbury County, IAIA106,6491.5%–

45Bremer County, IAIA25,2961.5%–

46Marshall County, IAIA39,8901.4%–

47Webster County, IAIA36,8381.4%–

48Butler County, IAIA14,0491.4%–

49Montgomery County, IAIA10,0021.4%–

50Johnson County, IAIA160,0441.4%–

51Lyon County, IAIA12,3541.4%–

52Worth County, IAIA7,3381.3%–

53Plymouth County, IAIA25,6971.3%–

54Decatur County, IAIA7,6551.3%–

55Howard County, IAIA9,4151.3%–

56Hardin County, IAIA16,4551.3%–

57Buchanan County, IAIA20,8831.3%–

58Iowa County, IAIA16,5041.2%–

59Poweshiek County, IAIA18,3681.2%–

60Mitchell County, IAIA10,6501.2%–

61Polk County, IAIA516,5461.2%–

62Sac County, IAIA9,5251.2%–

63Tama County, IAIA16,7961.1%–

64Des Moines County, IAIA38,0771.0%–

65Taylor County, IAIA5,8351.0%–

66Linn County, IAIA232,0281.0%–

67Adams County, IAIA3,6171.0%–

68Clarke County, IAIA9,5741.0%–

69Fayette County, IAIA19,0470.9%–

70Scott County, IAIA175,2590.9%–

71Fremont County, IAIA6,5220.9%–

72Jackson County, IAIA19,2880.8%–

73Jones County, IAIA21,2530.8%–

74Osceola County, IAIA5,9800.7%–

75Sioux County, IAIA36,7740.7%–

76Monroe County, IAIA7,4060.7%–

77Keokuk County, IAIA9,7970.7%–

78Allamakee County, IAIA14,2380.7%–

79Washington County, IAIA22,6670.7%–

80Dubuque County, IAIA99,3810.7%–

81Marion County, IAIA34,1920.7%–

82Benton County, IAIA26,0040.6%–

83Union County, IAIA11,8290.6%–

84Jasper County, IAIA38,1530.6%–

85Madison County, IAIA17,2700.6%–

86Lee County, IAIA32,3060.5%–

87Muscatine County, IAIA41,8530.5%–

88Lucas County, IAIA8,8470.5%–

89Delaware County, IAIA17,6740.4%–

90Mahaska County, IAIA21,8800.4%–

91Davis County, IAIA9,2300.4%–

92Clayton County, IAIA16,8450.4%–

93Wapello County, IAIA35,2100.4%–

94Ringgold County, IAIA4,6420.4%–

95Louisa County, IAIA10,4160.3%–

96Henry County, IAIA19,3490.2%–

97Appanoose County, IAIA12,0770.2%–

98Wayne County, IAIA6,7380.2%–

99Van Buren County, IAIA7,1310.0%–

SHOWING 1–99 OF 99

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