RANKING · 2010 CENSUS · 99 SHOWN OF 99

Largest Dutch population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Dutch ancestry, from the 2010 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. The median across all 99 is 584.

Dutch Americans: full group profile →

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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 POPULATIONVS –

01Polk County, IAIA516,54619,263–

02Sioux County, IAIA36,77417,141–

03Marion County, IAIA34,1929,332–

04Linn County, IAIA232,0287,463–

05Mahaska County, IAIA21,8805,190–

06Jasper County, IAIA38,1534,850–

07Woodbury County, IAIA106,6494,343–

08Scott County, IAIA175,2594,149–

09Johnson County, IAIA160,0443,730–

10Lyon County, IAIA12,3543,689–

11Black Hawk County, IAIA131,5323,417–

12O'Brien County, IAIA14,2203,273–

13Dallas County, IAIA118,4573,015–

14Story County, IAIA101,2912,924–

15Clinton County, IAIA46,0022,611–

16Warren County, IAIA57,3312,589–

17Pottawattamie County, IAIA92,9962,482–

18Dubuque County, IAIA99,3812,273–

19Wapello County, IAIA35,2101,935–

20Plymouth County, IAIA25,6971,813–

21Osceola County, IAIA5,9801,486–

22Marshall County, IAIA39,8901,443–

23Muscatine County, IAIA41,8531,331–

24Poweshiek County, IAIA18,3681,246–

25Cerro Gordo County, IAIA42,3721,203–

26Dickinson County, IAIA18,0771,097–

27Des Moines County, IAIA38,0771,036–

28Clay County, IAIA16,2021,002–

29Webster County, IAIA36,838907–

30Benton County, IAIA26,004877–

31Buchanan County, IAIA20,883855–

32Lee County, IAIA32,306806–

33Bremer County, IAIA25,296801–

34Davis County, IAIA9,230788–

35Jefferson County, IAIA15,291788–

36Butler County, IAIA14,049776–

37Monroe County, IAIA7,406768–

38Grundy County, IAIA12,361753–

39Hamilton County, IAIA14,944739–

40Boone County, IAIA26,799720–

41Keokuk County, IAIA9,797718–

42Washington County, IAIA22,667717–

43Henry County, IAIA19,349713–

44Appanoose County, IAIA12,077692–

45Madison County, IAIA17,270668–

46Union County, IAIA11,829636–

47Cedar County, IAIA18,359620–

48Iowa County, IAIA16,504605–

49Hancock County, IAIA10,528585–

50Fayette County, IAIA19,047584–

51Greene County, IAIA8,658583–

52Hardin County, IAIA16,455545–

53Buena Vista County, IAIA20,449541–

54Delaware County, IAIA17,674525–

55Mills County, IAIA14,793509–

56Tama County, IAIA16,796496–

57Floyd County, IAIA14,901493–

58Decatur County, IAIA7,655466–

59Harrison County, IAIA14,623462–

60Lucas County, IAIA8,847462–

61Page County, IAIA14,856456–

62Jackson County, IAIA19,288445–

63Monona County, IAIA8,539429–

64Carroll County, IAIA20,303427–

65Jones County, IAIA21,253418–

66Cherokee County, IAIA11,369402–

67Wright County, IAIA12,801397–

68Kossuth County, IAIA14,322394–

69Clarke County, IAIA9,574389–

70Louisa County, IAIA10,416374–

71Shelby County, IAIA11,689354–

72Guthrie County, IAIA10,782351–

73Franklin County, IAIA9,868347–

74Palo Alto County, IAIA8,899342–

75Wayne County, IAIA6,738337–

76Crawford County, IAIA16,237322–

77Van Buren County, IAIA7,131314–

78Emmet County, IAIA9,107308–

79Sac County, IAIA9,525277–

80Winnebago County, IAIA10,251270–

81Winneshiek County, IAIA19,733265–

82Cass County, IAIA12,960264–

83Ida County, IAIA6,777262–

84Chickasaw County, IAIA11,663256–

85Calhoun County, IAIA9,562248–

86Clayton County, IAIA16,845246–

87Mitchell County, IAIA10,650245–

88Montgomery County, IAIA10,002235–

89Taylor County, IAIA5,835228–

90Fremont County, IAIA6,522227–

91Howard County, IAIA9,415216–

92Ringgold County, IAIA4,642215–

93Adair County, IAIA7,403200–

94Humboldt County, IAIA9,409200–

95Allamakee County, IAIA14,238180–

96Pocahontas County, IAIA6,819160–

97Audubon County, IAIA5,509145–

98Worth County, IAIA7,338143–

99Adams County, IAIA3,617125–

SHOWING 1–99 OF 99

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