RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Polish population share, Iowa counties

Iowa counties ranked by the share of all residents who are Polish ancestry (2024 American Community Survey). A concentration measure: Polish 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 0.8%. Biggest climber in the top 100 since 2020: Audubon County, IA, up 62 places to #29.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPOLISH SHAREVS 2010

01Jackson County, IAIA19,2882.6%+1.2 pts

02▲10Howard County, IAIA9,4152.3%+0.3 pts

03▲1Johnson County, IAIA160,0442.2%−0.8 pts

04▲60Fremont County, IAIA6,5222.0%+0.2 pts

05▲2Scott County, IAIA175,2592.0%−0.1 pts

06▲8Story County, IAIA101,2911.7%−0.2 pts

07▼1Pottawattamie County, IAIA92,9961.7%+0.1 pts

08▲53Henry County, IAIA19,3491.7%+0.5 pts

09▲9Jefferson County, IAIA15,2911.6%+0.3 pts

10▲60Emmet County, IAIA9,1071.6%−0.7 pts

11▼1Woodbury County, IAIA106,6491.6%−1.0 pts

12▲26Winnebago County, IAIA10,2511.5%+0.8 pts

13▲36Monona County, IAIA8,5391.5%+0.7 pts

14▲40Floyd County, IAIA14,9011.5%+1.1 pts

15▼12Decatur County, IAIA7,6551.4%+0.4 pts

16▼1Muscatine County, IAIA41,8531.4%+0.5 pts

17▼9Dallas County, IAIA118,4571.4%0.0 pts

18▲5Polk County, IAIA516,5461.3%−0.1 pts

19▲10Cedar County, IAIA18,3591.3%−0.5 pts

20Union County, IAIA11,8291.3%+0.2 pts

21▲34Benton County, IAIA26,0041.2%+0.2 pts

22▲8Dubuque County, IAIA99,3811.2%0.0 pts

23▲1Linn County, IAIA232,0281.2%−0.2 pts

24▲47Monroe County, IAIA7,4061.2%−0.9 pts

25▲1Van Buren County, IAIA7,1311.2%+0.3 pts

26▲24Cerro Gordo County, IAIA42,3721.1%−0.4 pts

27▲17Webster County, IAIA36,8381.1%0.0 pts

28▲14Mills County, IAIA14,7931.1%−1.1 pts

29▲62Audubon County, IAIA5,5091.1%+0.2 pts

30▲46Montgomery County, IAIA10,0021.1%+0.3 pts

31▲52Butler County, IAIA14,0491.1%+0.3 pts

32▲55Greene County, IAIA8,6581.1%−0.6 pts

33▼11Bremer County, IAIA25,2961.0%+0.7 pts

34▲26Washington County, IAIA22,6671.0%−0.7 pts

35▼30Plymouth County, IAIA25,6971.0%−0.2 pts

36▲48Franklin County, IAIA9,8681.0%−0.6 pts

37▼24Iowa County, IAIA16,5041.0%0.0 pts

38▲10Jasper County, IAIA38,1530.9%−0.1 pts

39▲23Worth County, IAIA7,3380.9%+0.6 pts

40▲1Clinton County, IAIA46,0020.9%−1.5 pts

41▼13Warren County, IAIA57,3310.9%−0.3 pts

42▲53Allamakee County, IAIA14,2380.9%−0.2 pts

43▲15Keokuk County, IAIA9,7970.9%+0.5 pts

44▲1Clayton County, IAIA16,8450.9%+0.2 pts

45▲2Tama County, IAIA16,7960.9%0.0 pts

46▲44Fayette County, IAIA19,0470.8%−0.6 pts

47▲32Des Moines County, IAIA38,0770.8%−0.1 pts

48▼46Adams County, IAIA3,6170.8%−0.2 pts

49▲8Black Hawk County, IAIA131,5320.8%−0.3 pts

50▼31Lucas County, IAIA8,8470.8%−0.8 pts

51▼20Pocahontas County, IAIA6,8190.8%−0.5 pts

52▼12Calhoun County, IAIA9,5620.8%−0.2 pts

53▼26Dickinson County, IAIA18,0770.8%−0.4 pts

54▲19Cass County, IAIA12,9600.7%−0.6 pts

55▲39Hardin County, IAIA16,4550.7%0.0 pts

56▲18Guthrie County, IAIA10,7820.7%−0.3 pts

57▼36Buchanan County, IAIA20,8830.7%−0.7 pts

58▲10Palo Alto County, IAIA8,8990.7%−0.5 pts

59▲16Wayne County, IAIA6,7380.7%+0.1 pts

60▼1Mahaska County, IAIA21,8800.7%−0.2 pts

61▼29Shelby County, IAIA11,6890.7%−0.1 pts

62▼19Hancock County, IAIA10,5280.7%−0.3 pts

63▲17Grundy County, IAIA12,3610.7%−0.1 pts

64▼11Osceola County, IAIA5,9800.6%−1.8 pts

65▼2Winneshiek County, IAIA19,7330.6%−0.2 pts

66▼30Page County, IAIA14,8560.6%+0.3 pts

67▼1Marion County, IAIA34,1920.6%−0.1 pts

68▲20Jones County, IAIA21,2530.6%−0.6 pts

69▼53Harrison County, IAIA14,6230.6%−1.6 pts

70▼61Humboldt County, IAIA9,4090.6%−0.3 pts

71▼38Cherokee County, IAIA11,3690.6%−0.9 pts

72Madison County, IAIA17,2700.5%−0.1 pts

73▲8Carroll County, IAIA20,3030.5%+0.1 pts

74▼7Adair County, IAIA7,4030.5%−0.2 pts

75▼38Ida County, IAIA6,7770.5%−0.1 pts

76▼37Kossuth County, IAIA14,3220.5%+0.1 pts

77▼21Marshall County, IAIA39,8900.5%−0.4 pts

78▲8Mitchell County, IAIA10,6500.5%−0.1 pts

79▼27Boone County, IAIA26,7990.5%−0.6 pts

80▲9Clay County, IAIA16,2020.5%−0.5 pts

81▼3Appanoose County, IAIA12,0770.4%−1.0 pts

82▼48Lee County, IAIA32,3060.4%−0.7 pts

83▼6Crawford County, IAIA16,2370.4%−1.1 pts

84▼15Lyon County, IAIA12,3540.4%0.0 pts

85▼39Poweshiek County, IAIA18,3680.4%−1.1 pts

86▼75Ringgold County, IAIA4,6420.3%−0.2 pts

87▼22Chickasaw County, IAIA11,6630.3%−0.1 pts

88▲11Taylor County, IAIA5,8350.3%−0.7 pts

89▲4Buena Vista County, IAIA20,4490.3%−0.3 pts

90▲8Wapello County, IAIA35,2100.2%−0.2 pts

91▼56Sioux County, IAIA36,7740.2%+0.1 pts

92Wright County, IAIA12,8010.2%−0.2 pts

93▼8Sac County, IAIA9,5250.2%−0.3 pts

94▼43Louisa County, IAIA10,4160.2%−0.6 pts

95▲1Hamilton County, IAIA14,9440.2%−0.7 pts

96▲1O'Brien County, IAIA14,2200.2%0.0 pts

97▼72Davis County, IAIA9,2300.1%−0.5 pts

98▼16Delaware County, IAIA17,6740.1%−0.4 pts

99▼82Clarke County, IAIA9,5740.1%−0.4 pts

SHOWING 1–99 OF 99

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