RANKING · 2024 ACS · 99 SHOWN OF 99

Largest Polish population, Iowa counties

Iowa counties ranked by the number of residents who are Polish ancestry, from the 2024 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.

Polish 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

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

01Polk County, IAIA516,5466,587+14%

02Scott County, IAIA175,2593,457+4%

03Johnson County, IAIA160,0443,453−8%

04Linn County, IAIA232,0282,725−6%

05Story County, IAIA101,2911,698+2%

06Woodbury County, IAIA106,6491,668−36%

07Pottawattamie County, IAIA92,9961,566+6%

08Dallas County, IAIA118,4571,460+70%

09Dubuque County, IAIA99,3811,174+4%

10Black Hawk County, IAIA131,5321,081−24%

11Muscatine County, IAIA41,853594+56%

12Jackson County, IAIA19,288512+84%

13Warren County, IAIA57,331486−12%

14Cerro Gordo County, IAIA42,372485−27%

15Clinton County, IAIA46,002428−64%

16Webster County, IAIA36,838413−7%

17Jasper County, IAIA38,153358−12%

18Henry County, IAIA19,349331+40%

19Des Moines County, IAIA38,077319−15%

20Benton County, IAIA26,004310+24%

21Plymouth County, IAIA25,697265−11%

22Bremer County, IAIA25,296261+200%

23Jefferson County, IAIA15,291255+13%

24Cedar County, IAIA18,359233−26%

25Washington County, IAIA22,667233−38%

26Floyd County, IAIA14,901224+331%

27Howard County, IAIA9,415219+15%

28Marion County, IAIA34,192200−15%

29Marshall County, IAIA39,890190−47%

30Iowa County, IAIA16,504164+2%

31Fayette County, IAIA19,047162−45%

32Mills County, IAIA14,793161−51%

33Winnebago County, IAIA10,251161+96%

34Butler County, IAIA14,049154+27%

35Union County, IAIA11,829150+14%

36Mahaska County, IAIA21,880150−26%

37Buchanan County, IAIA20,883149−51%

38Clayton County, IAIA16,845147+30%

39Emmet County, IAIA9,107146−37%

40Tama County, IAIA16,796144−9%

41Dickinson County, IAIA18,077136−32%

42Lee County, IAIA32,306136−65%

43Fremont County, IAIA6,522131−3%

44Monona County, IAIA8,539129+61%

45Winneshiek County, IAIA19,733126−29%

46Allamakee County, IAIA14,238125−20%

47Hardin County, IAIA16,455124−5%

48Boone County, IAIA26,799123−54%

49Jones County, IAIA21,253116−50%

50Montgomery County, IAIA10,002111+31%

51Decatur County, IAIA7,655109+24%

52Carroll County, IAIA20,303103+13%

53Franklin County, IAIA9,86899−40%

54Cass County, IAIA12,96098−49%

55Greene County, IAIA8,65893−40%

56Page County, IAIA14,85691+63%

57Monroe County, IAIA7,40688−47%

58Sioux County, IAIA36,77487+156%

59Keokuk County, IAIA9,79786+146%

60Madison County, IAIA17,27086−1%

61Wapello County, IAIA35,21086−46%

62Van Buren County, IAIA7,13184+29%

63Grundy County, IAIA12,36181−18%

64Harrison County, IAIA14,62381−75%

65Shelby County, IAIA11,68980−15%

66Calhoun County, IAIA9,56279−17%

67Guthrie County, IAIA10,78277−31%

68Clay County, IAIA16,20275−52%

69Lucas County, IAIA8,84771−51%

70Poweshiek County, IAIA18,36870−75%

71Hancock County, IAIA10,52870−38%

72Kossuth County, IAIA14,32269+23%

73Worth County, IAIA7,33869+165%

74Crawford County, IAIA16,23766−73%

75Cherokee County, IAIA11,36964−62%

76Palo Alto County, IAIA8,89963−45%

77Audubon County, IAIA5,50961+7%

78Buena Vista County, IAIA20,44958−45%

79Pocahontas County, IAIA6,81957−42%

80Appanoose County, IAIA12,07753−71%

81Humboldt County, IAIA9,40953−37%

82Mitchell County, IAIA10,65049−25%

83Lyon County, IAIA12,35449+7%

84Wayne County, IAIA6,73846+18%

85Chickasaw County, IAIA11,66340−23%

86Osceola County, IAIA5,98039−75%

87Adair County, IAIA7,40337−34%

88Ida County, IAIA6,77734−13%

89Adams County, IAIA3,61730−29%

90Wright County, IAIA12,80128−46%

91Hamilton County, IAIA14,94424−83%

92O'Brien County, IAIA14,22022−15%

93Sac County, IAIA9,52520−62%

94Louisa County, IAIA10,41619−80%

95Taylor County, IAIA5,83517−74%

96Delaware County, IAIA17,67417−81%

97Ringgold County, IAIA4,64216−47%

98Davis County, IAIA9,2309−81%

99Clarke County, IAIA9,5746−86%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES