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 (2024 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. The median across all 99 is 2.0%. Biggest climber in the top 100 since 2020: Audubon County, IA, up 64 places to #27.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPDUTCH SHAREVS 2010

01Sioux County, IAIA36,77440.8%−10.6 pts

02Lyon County, IAIA12,35432.5%+0.6 pts

03O'Brien County, IAIA14,22019.0%−3.7 pts

04Marion County, IAIA34,19218.7%−9.3 pts

05Osceola County, IAIA5,98016.9%−5.7 pts

06Mahaska County, IAIA21,88012.0%−11.2 pts

07Jasper County, IAIA38,15311.0%−2.1 pts

08▲8Wayne County, IAIA6,7389.0%+3.8 pts

09▼1Poweshiek County, IAIA18,3686.5%0.0 pts

10▲1Dickinson County, IAIA18,0776.1%−0.5 pts

11▲28Clay County, IAIA16,2024.4%−1.6 pts

12Plymouth County, IAIA25,6974.4%−2.9 pts

13▲15Butler County, IAIA14,0494.2%−1.0 pts

14▲6Warren County, IAIA57,3313.9%−1.8 pts

15▲35Madison County, IAIA17,2703.7%−0.7 pts

16▲36Ringgold County, IAIA4,6423.5%−0.6 pts

17Keokuk County, IAIA9,7973.5%−3.3 pts

18▲9Clinton County, IAIA46,0023.5%−1.8 pts

19▲6Wapello County, IAIA35,2103.4%−2.0 pts

20▲2Hancock County, IAIA10,5283.4%−1.7 pts

21▲37Decatur County, IAIA7,6553.3%−2.2 pts

22▼12Monroe County, IAIA7,4063.2%−6.5 pts

23▼9Cherokee County, IAIA11,3693.1%−0.2 pts

24▼15Davis County, IAIA9,2303.1%−5.9 pts

25▲11Emmet County, IAIA9,1072.9%−0.1 pts

26▲7Mills County, IAIA14,7932.9%−0.5 pts

27▲64Audubon County, IAIA5,5092.8%+0.4 pts

28▲31Taylor County, IAIA5,8352.7%−0.8 pts

29▼14Grundy County, IAIA12,3612.7%−3.4 pts

30▼4Lucas County, IAIA8,8472.7%−2.4 pts

31▼7Woodbury County, IAIA106,6492.6%−1.7 pts

32Polk County, IAIA516,5462.6%−2.0 pts

33▼12Sac County, IAIA9,5252.6%0.0 pts

34▲31Harrison County, IAIA14,6232.6%−0.5 pts

35Van Buren County, IAIA7,1312.6%−1.5 pts

36▲5Dallas County, IAIA118,4572.5%−2.4 pts

37▲20Hardin County, IAIA16,4552.5%−0.6 pts

38▲11Guthrie County, IAIA10,7822.5%−0.7 pts

39▼21Boone County, IAIA26,7992.5%−0.3 pts

40▼11Union County, IAIA11,8292.4%−2.7 pts

41▲4Appanoose County, IAIA12,0772.3%−3.0 pts

42▼11Story County, IAIA101,2912.3%−1.1 pts

43▼9Ida County, IAIA6,7772.3%−1.4 pts

44Monona County, IAIA8,5392.3%−2.3 pts

45▲27Wright County, IAIA12,8012.2%−0.7 pts

46▲31Adair County, IAIA7,4032.2%−0.4 pts

47▼4Des Moines County, IAIA38,0772.2%−0.4 pts

48▲7Palo Alto County, IAIA8,8992.2%−1.4 pts

49▼1Cerro Gordo County, IAIA42,3722.1%−0.6 pts

50▲17Benton County, IAIA26,0042.0%−1.3 pts

51▼32Winnebago County, IAIA10,2512.0%−0.5 pts

52▲18Black Hawk County, IAIA131,5322.0%−0.7 pts

53▼15Washington County, IAIA22,6671.9%−1.4 pts

54▼41Clarke County, IAIA9,5741.9%−2.4 pts

55▲8Johnson County, IAIA160,0441.8%−1.1 pts

56▼2Franklin County, IAIA9,8681.8%−1.4 pts

57▲12Buchanan County, IAIA20,8831.8%−2.3 pts

58▼12Hamilton County, IAIA14,9441.8%−2.8 pts

59▼12Floyd County, IAIA14,9011.8%−1.2 pts

60▲2Buena Vista County, IAIA20,4491.8%−0.9 pts

61▲17Linn County, IAIA232,0281.7%−1.8 pts

62▼1Montgomery County, IAIA10,0021.7%−0.4 pts

63▲10Bremer County, IAIA25,2961.7%−1.6 pts

64▲19Chickasaw County, IAIA11,6631.7%−0.3 pts

65▼25Jefferson County, IAIA15,2911.7%−3.1 pts

66▲31Shelby County, IAIA11,6891.7%−1.2 pts

67▲7Kossuth County, IAIA14,3221.7%−0.8 pts

68▲27Humboldt County, IAIA9,4091.6%−0.4 pts

69▼39Iowa County, IAIA16,5041.6%−2.1 pts

70▼4Calhoun County, IAIA9,5621.6%−0.9 pts

71▼29Henry County, IAIA19,3491.6%−1.9 pts

72▲9Scott County, IAIA175,2591.6%−1.0 pts

73▼50Greene County, IAIA8,6581.5%−4.7 pts

74▲14Tama County, IAIA16,7961.4%−1.3 pts

75▲10Fayette County, IAIA19,0471.4%−1.3 pts

76▼5Fremont County, IAIA6,5221.4%−1.6 pts

77▲13Dubuque County, IAIA99,3811.4%−1.1 pts

78▲6Worth County, IAIA7,3381.3%−0.5 pts

79▲1Webster County, IAIA36,8381.3%−1.0 pts

80▼16Howard County, IAIA9,4151.3%−1.0 pts

81▼28Mitchell County, IAIA10,6501.3%−1.0 pts

82▼3Page County, IAIA14,8561.3%−1.6 pts

83▼1Pottawattamie County, IAIA92,9961.2%−1.5 pts

84▼47Adams County, IAIA3,6171.2%−1.8 pts

85▼17Muscatine County, IAIA41,8531.2%−2.0 pts

86Crawford County, IAIA16,2371.1%−0.8 pts

87▼31Marshall County, IAIA39,8901.1%−2.5 pts

88▲1Delaware County, IAIA17,6741.1%−1.9 pts

89▲3Jackson County, IAIA19,2881.0%−1.2 pts

90▼3Louisa County, IAIA10,4161.0%−2.2 pts

91▲3Carroll County, IAIA20,3031.0%−1.1 pts

92▼17Pocahontas County, IAIA6,8191.0%−1.2 pts

93▼33Jones County, IAIA21,2530.9%−1.1 pts

94▲2Winneshiek County, IAIA19,7330.9%−0.4 pts

95▲4Clayton County, IAIA16,8450.8%−0.5 pts

96▼20Cedar County, IAIA18,3590.8%−2.6 pts

97▼46Cass County, IAIA12,9600.8%−1.1 pts

98▼5Lee County, IAIA32,3060.7%−1.5 pts

99▼1Allamakee County, IAIA14,2380.5%−0.8 pts

SHOWING 1–99 OF 99

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