RANKING · 2010 CENSUS · 99 SHOWN OF 99

Largest Italian population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Italian 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 199.

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 POPULATIONVS –

01Polk County, IAIA516,54617,969–

02Linn County, IAIA232,0284,465–

03Johnson County, IAIA160,0444,182–

04Scott County, IAIA175,2594,147–

05Pottawattamie County, IAIA92,9962,545–

06Black Hawk County, IAIA131,5322,164–

07Dubuque County, IAIA99,3811,994–

08Story County, IAIA101,2911,993–

09Dallas County, IAIA118,4571,721–

10Warren County, IAIA57,3311,615–

11Woodbury County, IAIA106,6491,383–

12Clinton County, IAIA46,0021,379–

13Webster County, IAIA36,838962–

14Marion County, IAIA34,192892–

15Boone County, IAIA26,799880–

16Cerro Gordo County, IAIA42,372762–

17Jasper County, IAIA38,153738–

18Des Moines County, IAIA38,077679–

19Muscatine County, IAIA41,853595–

20Mahaska County, IAIA21,880578–

21Marshall County, IAIA39,890547–

22Lee County, IAIA32,306542–

23Wapello County, IAIA35,210538–

24Appanoose County, IAIA12,077467–

25Fayette County, IAIA19,047445–

26Mills County, IAIA14,793420–

27Buena Vista County, IAIA20,449397–

28Hamilton County, IAIA14,944377–

29Jefferson County, IAIA15,291361–

30Benton County, IAIA26,004354–

31Madison County, IAIA17,270341–

32Bremer County, IAIA25,296326–

33Washington County, IAIA22,667324–

34Wright County, IAIA12,801324–

35Lucas County, IAIA8,847316–

36Harrison County, IAIA14,623314–

37Tama County, IAIA16,796308–

38Henry County, IAIA19,349296–

39Cedar County, IAIA18,359293–

40Hardin County, IAIA16,455268–

41Poweshiek County, IAIA18,368254–

42Sioux County, IAIA36,774242–

43Hancock County, IAIA10,528240–

44Buchanan County, IAIA20,883223–

45Humboldt County, IAIA9,409220–

46Jackson County, IAIA19,288220–

47Iowa County, IAIA16,504213–

48Carroll County, IAIA20,303207–

49Jones County, IAIA21,253204–

50Clayton County, IAIA16,845199–

51Floyd County, IAIA14,901199–

52Decatur County, IAIA7,655190–

53Shelby County, IAIA11,689188–

54Emmet County, IAIA9,107185–

55Page County, IAIA14,856165–

56Davis County, IAIA9,230163–

57Adair County, IAIA7,403161–

58Louisa County, IAIA10,416157–

59Chickasaw County, IAIA11,663154–

60Montgomery County, IAIA10,002150–

61Union County, IAIA11,829149–

62Cherokee County, IAIA11,369147–

63Clay County, IAIA16,202146–

64Delaware County, IAIA17,674144–

65Allamakee County, IAIA14,238142–

66Cass County, IAIA12,960139–

67O'Brien County, IAIA14,220131–

68Wayne County, IAIA6,738130–

69Monona County, IAIA8,539126–

70Van Buren County, IAIA7,131124–

71Butler County, IAIA14,049121–

72Dickinson County, IAIA18,077119–

73Guthrie County, IAIA10,782117–

74Palo Alto County, IAIA8,899117–

75Plymouth County, IAIA25,697117–

76Greene County, IAIA8,658114–

77Winnebago County, IAIA10,251112–

78Winneshiek County, IAIA19,733108–

79Keokuk County, IAIA9,797107–

80Crawford County, IAIA16,237101–

81Mitchell County, IAIA10,65097–

82Monroe County, IAIA7,40686–

83Kossuth County, IAIA14,32285–

84Worth County, IAIA7,33881–

85Calhoun County, IAIA9,56280–

86Fremont County, IAIA6,52272–

87Howard County, IAIA9,41572–

88Grundy County, IAIA12,36171–

89Lyon County, IAIA12,35470–

90Pocahontas County, IAIA6,81970–

91Ringgold County, IAIA4,64265–

92Osceola County, IAIA5,98063–

93Ida County, IAIA6,77757–

94Taylor County, IAIA5,83551–

95Sac County, IAIA9,52546–

96Adams County, IAIA3,61740–

97Clarke County, IAIA9,57435–

98Franklin County, IAIA9,86827–

99Audubon County, IAIA5,50917–

SHOWING 1–99 OF 99

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