RANKING · 2010 CENSUS · 99 SHOWN OF 99

Largest Polish population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Polish ancestry, from the 2023 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.

IowaAll states All rankings

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

RANKPLACESTATEPOPPOLISH POPULATIONVS 2000

01Polk County, IAIA516,5465,765–

02Johnson County, IAIA160,0443,752–

03Scott County, IAIA175,2593,312–

04Linn County, IAIA232,0282,904–

05Woodbury County, IAIA106,6492,603–

06Story County, IAIA101,2911,659–

07Pottawattamie County, IAIA92,9961,475–

08Black Hawk County, IAIA131,5321,417–

09Clinton County, IAIA46,0021,184–

10Dubuque County, IAIA99,3811,128–

11Dallas County, IAIA118,457861–

12Cerro Gordo County, IAIA42,372665–

13Warren County, IAIA57,331550–

14Webster County, IAIA36,838442–

15Jasper County, IAIA38,153405–

16Lee County, IAIA32,306388–

17Muscatine County, IAIA41,853380–

18Des Moines County, IAIA38,077377–

19Washington County, IAIA22,667373–

20Marshall County, IAIA39,890361–

21Mills County, IAIA14,793330–

22Harrison County, IAIA14,623318–

23Cedar County, IAIA18,359317–

24Buchanan County, IAIA20,883307–

25Plymouth County, IAIA25,697297–

26Fayette County, IAIA19,047292–

27Jackson County, IAIA19,288278–

28Poweshiek County, IAIA18,368276–

29Boone County, IAIA26,799268–

30Benton County, IAIA26,004251–

31Crawford County, IAIA16,237248–

32Henry County, IAIA19,349237–

33Marion County, IAIA34,192235–

34Emmet County, IAIA9,107233–

35Jones County, IAIA21,253231–

36Jefferson County, IAIA15,291225–

37Mahaska County, IAIA21,880204–

38Dickinson County, IAIA18,077199–

39Cass County, IAIA12,960193–

40Howard County, IAIA9,415190–

41Appanoose County, IAIA12,077183–

42Winneshiek County, IAIA19,733178–

43Cherokee County, IAIA11,369170–

44Franklin County, IAIA9,868166–

45Monroe County, IAIA7,406166–

46Iowa County, IAIA16,504161–

47Osceola County, IAIA5,980158–

48Tama County, IAIA16,796158–

49Wapello County, IAIA35,210158–

50Clay County, IAIA16,202157–

51Allamakee County, IAIA14,238156–

52Greene County, IAIA8,658154–

53Lucas County, IAIA8,847146–

54Hamilton County, IAIA14,944138–

55Fremont County, IAIA6,522135–

56Union County, IAIA11,829132–

57Hardin County, IAIA16,455131–

58Butler County, IAIA14,049121–

59Palo Alto County, IAIA8,899114–

60Clayton County, IAIA16,845113–

61Hancock County, IAIA10,528112–

62Guthrie County, IAIA10,782111–

63Buena Vista County, IAIA20,449106–

64Grundy County, IAIA12,36199–

65Pocahontas County, IAIA6,81998–

66Calhoun County, IAIA9,56295–

67Louisa County, IAIA10,41694–

68Shelby County, IAIA11,68994–

69Carroll County, IAIA20,30391–

70Delaware County, IAIA17,67489–

71Decatur County, IAIA7,65588–

72Bremer County, IAIA25,29687–

73Madison County, IAIA17,27087–

74Montgomery County, IAIA10,00285–

75Humboldt County, IAIA9,40984–

76Winnebago County, IAIA10,25182–

77Monona County, IAIA8,53980–

78Taylor County, IAIA5,83566–

79Mitchell County, IAIA10,65065–

80Van Buren County, IAIA7,13165–

81Audubon County, IAIA5,50957–

82Adair County, IAIA7,40356–

83Kossuth County, IAIA14,32256–

84Page County, IAIA14,85656–

85Sac County, IAIA9,52553–

86Chickasaw County, IAIA11,66352–

87Floyd County, IAIA14,90152–

88Wright County, IAIA12,80152–

89Davis County, IAIA9,23048–

90Lyon County, IAIA12,35446–

91Adams County, IAIA3,61742–

92Clarke County, IAIA9,57442–

93Ida County, IAIA6,77739–

94Wayne County, IAIA6,73839–

95Keokuk County, IAIA9,79735–

96Sioux County, IAIA36,77434–

97Ringgold County, IAIA4,64230–

98O'Brien County, IAIA14,22026–

99Worth County, IAIA7,33826–

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

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