RANKING · 2010 CENSUS · 99 SHOWN OF 99

Highest Italian population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Italian ancestry (2010 American Community Survey). A concentration measure: Italian 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 1.3%.

Italian 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

RANKPLACESTATEPOPITALIAN SHAREVS –

01Polk County, IAIA516,5464.3%–

02Appanoose County, IAIA12,0773.6%–

03Warren County, IAIA57,3313.6%–

04Lucas County, IAIA8,8473.5%–

05Boone County, IAIA26,7993.3%–

06Johnson County, IAIA160,0443.3%–

07Clinton County, IAIA46,0022.8%–

08Dallas County, IAIA118,4572.8%–

09Mills County, IAIA14,7932.8%–

10Pottawattamie County, IAIA92,9962.8%–

11Marion County, IAIA34,1922.7%–

12Mahaska County, IAIA21,8802.6%–

13Scott County, IAIA175,2592.6%–

14Webster County, IAIA36,8382.5%–

15Wright County, IAIA12,8012.4%–

16Hamilton County, IAIA14,9442.4%–

17Story County, IAIA101,2912.3%–

18Decatur County, IAIA7,6552.2%–

19Humboldt County, IAIA9,4092.2%–

20Madison County, IAIA17,2702.2%–

21Jefferson County, IAIA15,2912.2%–

22Dubuque County, IAIA99,3812.2%–

23Linn County, IAIA232,0282.1%–

24Fayette County, IAIA19,0472.1%–

25Hancock County, IAIA10,5282.1%–

26Harrison County, IAIA14,6232.1%–

27Adair County, IAIA7,4032.1%–

28Wayne County, IAIA6,7382.0%–

29Jasper County, IAIA38,1532.0%–

30Buena Vista County, IAIA20,4492.0%–

31Davis County, IAIA9,2301.9%–

32Emmet County, IAIA9,1071.8%–

33Cerro Gordo County, IAIA42,3721.7%–

34Tama County, IAIA16,7961.7%–

35Des Moines County, IAIA38,0771.7%–

36Black Hawk County, IAIA131,5321.7%–

37Van Buren County, IAIA7,1311.6%–

38Cedar County, IAIA18,3591.6%–

39Shelby County, IAIA11,6891.5%–

40Hardin County, IAIA16,4551.5%–

41Wapello County, IAIA35,2101.5%–

42Lee County, IAIA32,3061.5%–

43Washington County, IAIA22,6671.5%–

44Henry County, IAIA19,3491.5%–

45Muscatine County, IAIA41,8531.4%–

46Montgomery County, IAIA10,0021.4%–

47Woodbury County, IAIA106,6491.4%–

48Marshall County, IAIA39,8901.4%–

49Benton County, IAIA26,0041.4%–

50Monona County, IAIA8,5391.3%–

51Bremer County, IAIA25,2961.3%–

52Louisa County, IAIA10,4161.3%–

53Poweshiek County, IAIA18,3681.3%–

54Iowa County, IAIA16,5041.3%–

55Ringgold County, IAIA4,6421.3%–

56Chickasaw County, IAIA11,6631.2%–

57Palo Alto County, IAIA8,8991.2%–

58Cherokee County, IAIA11,3691.2%–

59Floyd County, IAIA14,9011.2%–

60Greene County, IAIA8,6581.2%–

61Union County, IAIA11,8291.2%–

62Jackson County, IAIA19,2881.1%–

63Clayton County, IAIA16,8451.1%–

64Monroe County, IAIA7,4061.1%–

65Worth County, IAIA7,3381.1%–

66Buchanan County, IAIA20,8831.1%–

67Guthrie County, IAIA10,7821.1%–

68Page County, IAIA14,8561.0%–

69Winnebago County, IAIA10,2511.0%–

70Keokuk County, IAIA9,7971.0%–

71Cass County, IAIA12,9601.0%–

72Carroll County, IAIA20,3031.0%–

73Allamakee County, IAIA14,2381.0%–

74Jones County, IAIA21,2531.0%–

75Adams County, IAIA3,6171.0%–

76Osceola County, IAIA5,9801.0%–

77Fremont County, IAIA6,5221.0%–

78Pocahontas County, IAIA6,8190.9%–

79O'Brien County, IAIA14,2200.9%–

80Mitchell County, IAIA10,6500.9%–

81Clay County, IAIA16,2020.9%–

82Butler County, IAIA14,0490.8%–

83Calhoun County, IAIA9,5620.8%–

84Delaware County, IAIA17,6740.8%–

85Taylor County, IAIA5,8350.8%–

86Ida County, IAIA6,7770.8%–

87Howard County, IAIA9,4150.7%–

88Sioux County, IAIA36,7740.7%–

89Dickinson County, IAIA18,0770.7%–

90Lyon County, IAIA12,3540.6%–

91Crawford County, IAIA16,2370.6%–

92Grundy County, IAIA12,3610.6%–

93Kossuth County, IAIA14,3220.5%–

94Winneshiek County, IAIA19,7330.5%–

95Plymouth County, IAIA25,6970.5%–

96Sac County, IAIA9,5250.4%–

97Clarke County, IAIA9,5740.4%–

98Audubon County, IAIA5,5090.3%–

99Franklin County, IAIA9,8680.3%–

SHOWING 1–99 OF 99

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