RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Dutch population share, Iowa counties

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

RANKPLACESTATEPOPDUTCH SHAREVS 2000

01Sioux County, IAIA36,77440.8%–

02Lyon County, IAIA12,35432.5%–

03O'Brien County, IAIA14,22019.0%–

04Marion County, IAIA34,19218.7%–

05Osceola County, IAIA5,98016.9%–

06Mahaska County, IAIA21,88012.0%–

07Jasper County, IAIA38,15311.0%–

08Wayne County, IAIA6,7389.0%–

09Poweshiek County, IAIA18,3686.5%–

10Dickinson County, IAIA18,0776.1%–

11Clay County, IAIA16,2024.4%–

12Plymouth County, IAIA25,6974.4%–

13Butler County, IAIA14,0494.2%–

14Warren County, IAIA57,3313.9%–

15Madison County, IAIA17,2703.7%–

16Ringgold County, IAIA4,6423.5%–

17Keokuk County, IAIA9,7973.5%–

18Clinton County, IAIA46,0023.5%–

19Wapello County, IAIA35,2103.4%–

20Hancock County, IAIA10,5283.4%–

21Decatur County, IAIA7,6553.3%–

22Monroe County, IAIA7,4063.2%–

23Cherokee County, IAIA11,3693.1%–

24Davis County, IAIA9,2303.1%–

25Emmet County, IAIA9,1072.9%–

26Mills County, IAIA14,7932.9%–

27Audubon County, IAIA5,5092.8%–

28Taylor County, IAIA5,8352.7%–

29Grundy County, IAIA12,3612.7%–

30Lucas County, IAIA8,8472.7%–

31Woodbury County, IAIA106,6492.6%–

32Polk County, IAIA516,5462.6%–

33Sac County, IAIA9,5252.6%–

34Harrison County, IAIA14,6232.6%–

35Van Buren County, IAIA7,1312.6%–

36Dallas County, IAIA118,4572.5%–

37Hardin County, IAIA16,4552.5%–

38Guthrie County, IAIA10,7822.5%–

39Boone County, IAIA26,7992.5%–

40Union County, IAIA11,8292.4%–

41Appanoose County, IAIA12,0772.3%–

42Story County, IAIA101,2912.3%–

43Ida County, IAIA6,7772.3%–

44Monona County, IAIA8,5392.3%–

45Wright County, IAIA12,8012.2%–

46Adair County, IAIA7,4032.2%–

47Des Moines County, IAIA38,0772.2%–

48Palo Alto County, IAIA8,8992.2%–

49Cerro Gordo County, IAIA42,3722.1%–

50Benton County, IAIA26,0042.0%–

51Winnebago County, IAIA10,2512.0%–

52Black Hawk County, IAIA131,5322.0%–

53Washington County, IAIA22,6671.9%–

54Clarke County, IAIA9,5741.9%–

55Johnson County, IAIA160,0441.8%–

56Franklin County, IAIA9,8681.8%–

57Buchanan County, IAIA20,8831.8%–

58Hamilton County, IAIA14,9441.8%–

59Floyd County, IAIA14,9011.8%–

60Buena Vista County, IAIA20,4491.8%–

61Linn County, IAIA232,0281.7%–

62Montgomery County, IAIA10,0021.7%–

63Bremer County, IAIA25,2961.7%–

64Chickasaw County, IAIA11,6631.7%–

65Jefferson County, IAIA15,2911.7%–

66Shelby County, IAIA11,6891.7%–

67Kossuth County, IAIA14,3221.7%–

68Humboldt County, IAIA9,4091.6%–

69Iowa County, IAIA16,5041.6%–

70Calhoun County, IAIA9,5621.6%–

71Henry County, IAIA19,3491.6%–

72Scott County, IAIA175,2591.6%–

73Greene County, IAIA8,6581.5%–

74Tama County, IAIA16,7961.4%–

75Fayette County, IAIA19,0471.4%–

76Fremont County, IAIA6,5221.4%–

77Dubuque County, IAIA99,3811.4%–

78Worth County, IAIA7,3381.3%–

79Webster County, IAIA36,8381.3%–

80Howard County, IAIA9,4151.3%–

81Mitchell County, IAIA10,6501.3%–

82Page County, IAIA14,8561.3%–

83Pottawattamie County, IAIA92,9961.2%–

84Adams County, IAIA3,6171.2%–

85Muscatine County, IAIA41,8531.2%–

86Crawford County, IAIA16,2371.1%–

87Marshall County, IAIA39,8901.1%–

88Delaware County, IAIA17,6741.1%–

89Jackson County, IAIA19,2881.0%–

90Louisa County, IAIA10,4161.0%–

91Carroll County, IAIA20,3031.0%–

92Pocahontas County, IAIA6,8191.0%–

93Jones County, IAIA21,2530.9%–

94Winneshiek County, IAIA19,7330.9%–

95Clayton County, IAIA16,8450.8%–

96Cedar County, IAIA18,3590.8%–

97Cass County, IAIA12,9600.8%–

98Lee County, IAIA32,3060.7%–

99Allamakee County, IAIA14,2380.5%–

SHOWING 1–99 OF 99

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