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. The median across all 99 is 111. Biggest climber in the top 100 since 2020: Fremont County, IA, up 48 places to #43.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

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%

05▲3Story County, IAIA101,2911,698+2%

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

07▼2Pottawattamie County, IAIA92,9961,566+6%

08▼1Dallas County, IAIA118,4571,460+70%

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

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

11Muscatine County, IAIA41,853594+56%

12▲1Jackson County, IAIA19,288512+84%

13▼1Warren County, IAIA57,331486−12%

14▲4Cerro Gordo County, IAIA42,372485−27%

15Clinton County, IAIA46,002428−64%

16▲4Webster County, IAIA36,838413−7%

17▲4Jasper County, IAIA38,153358−12%

18▲23Henry County, IAIA19,349331+40%

19▲6Des Moines County, IAIA38,077319−15%

20▲10Benton County, IAIA26,004310+24%

21▼7Plymouth County, IAIA25,697265−11%

22Bremer County, IAIA25,296261+200%

23▲1Jefferson County, IAIA15,291255+13%

24▲5Cedar County, IAIA18,359233−26%

25▲9Washington County, IAIA22,667233−38%

26▲22Floyd County, IAIA14,901224+331%

27▲18Howard County, IAIA9,415219+15%

28▼1Marion County, IAIA34,192200−15%

29▼10Marshall County, IAIA39,890190−47%

30▼4Iowa County, IAIA16,504164+2%

31▲34Fayette County, IAIA19,047162−45%

32▲14Mills County, IAIA14,793161−51%

33▲22Winnebago County, IAIA10,251161+96%

34▲33Butler County, IAIA14,049154+27%

35▲1Union County, IAIA11,829150+14%

36▼3Mahaska County, IAIA21,880150−26%

37▼14Buchanan County, IAIA20,883149−51%

38▲1Clayton County, IAIA16,845147+30%

39▲42Emmet County, IAIA9,107146−37%

40▲3Tama County, IAIA16,796144−9%

41▼10Dickinson County, IAIA18,077136−32%

42▼25Lee County, IAIA32,306136−65%

43▲48Fremont County, IAIA6,522131−3%

44▲32Monona County, IAIA8,539129+61%

45▼3Winneshiek County, IAIA19,733126−29%

46▲48Allamakee County, IAIA14,238125−20%

47▲33Hardin County, IAIA16,455124−5%

48▼20Boone County, IAIA26,799123−54%

49▲10Jones County, IAIA21,253116−50%

50▲32Montgomery County, IAIA10,002111+31%

51▼11Decatur County, IAIA7,655109+24%

52▼1Carroll County, IAIA20,303103+13%

53▲31Franklin County, IAIA9,86899−40%

54▲8Cass County, IAIA12,96098−49%

55▲40Greene County, IAIA8,65893−40%

56▼19Page County, IAIA14,85691+63%

57▲29Monroe County, IAIA7,40688−47%

58▼42Sioux County, IAIA36,77487+156%

59▲11Keokuk County, IAIA9,79786+146%

60▼7Madison County, IAIA17,27086−1%

61▲3Wapello County, IAIA35,21086−46%

62▲7Van Buren County, IAIA7,13184+29%

63▲12Grundy County, IAIA12,36181−18%

64▼32Harrison County, IAIA14,62381−75%

65▼16Shelby County, IAIA11,68980−15%

66▼5Calhoun County, IAIA9,56279−17%

67▲10Guthrie County, IAIA10,78277−31%

68▲10Clay County, IAIA16,20275−52%

69▼17Lucas County, IAIA8,84771−51%

70▼35Poweshiek County, IAIA18,36870−75%

71▼13Hancock County, IAIA10,52870−38%

72▼28Kossuth County, IAIA14,32269+23%

73▲12Worth County, IAIA7,33869+165%

74▼18Crawford County, IAIA16,23766−73%

75▼25Cherokee County, IAIA11,36964−62%

76▲7Palo Alto County, IAIA8,89963−45%

77▲21Audubon County, IAIA5,50961+7%

78▼7Buena Vista County, IAIA20,44958−45%

79▼6Pocahontas County, IAIA6,81957−42%

80▼8Appanoose County, IAIA12,07753−71%

81▼43Humboldt County, IAIA9,40953−37%

82▲5Mitchell County, IAIA10,65049−25%

83▼15Lyon County, IAIA12,35449+7%

84▲12Wayne County, IAIA6,73846+18%

85▼22Chickasaw County, IAIA11,66340−23%

86▲7Osceola County, IAIA5,98039−75%

87▲5Adair County, IAIA7,40337−34%

88▼9Ida County, IAIA6,77734−13%

89▼23Adams County, IAIA3,61730−29%

90Wright County, IAIA12,80128−46%

91▼3Hamilton County, IAIA14,94424−83%

92▲5O'Brien County, IAIA14,22022−15%

93▼4Sac County, IAIA9,52520−62%

94▼34Louisa County, IAIA10,41619−80%

95▲4Taylor County, IAIA5,83517−74%

96▼39Delaware County, IAIA17,67417−81%

97▼23Ringgold County, IAIA4,64216−47%

98▼44Davis County, IAIA9,2309−81%

99▼52Clarke County, IAIA9,5746−86%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES