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 (2023 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.

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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 SHAREVS 2000

01Jackson County, IAIA19,2882.6%–

02Howard County, IAIA9,4152.3%–

03Johnson County, IAIA160,0442.2%–

04Fremont County, IAIA6,5222.0%–

05Scott County, IAIA175,2592.0%–

06Story County, IAIA101,2911.7%–

07Pottawattamie County, IAIA92,9961.7%–

08Henry County, IAIA19,3491.7%–

09Jefferson County, IAIA15,2911.6%–

10Emmet County, IAIA9,1071.6%–

11Woodbury County, IAIA106,6491.6%–

12Winnebago County, IAIA10,2511.5%–

13Monona County, IAIA8,5391.5%–

14Floyd County, IAIA14,9011.5%–

15Decatur County, IAIA7,6551.4%–

16Muscatine County, IAIA41,8531.4%–

17Dallas County, IAIA118,4571.4%–

18Polk County, IAIA516,5461.3%–

19Cedar County, IAIA18,3591.3%–

20Union County, IAIA11,8291.3%–

21Benton County, IAIA26,0041.2%–

22Dubuque County, IAIA99,3811.2%–

23Linn County, IAIA232,0281.2%–

24Monroe County, IAIA7,4061.2%–

25Van Buren County, IAIA7,1311.2%–

26Cerro Gordo County, IAIA42,3721.1%–

27Webster County, IAIA36,8381.1%–

28Mills County, IAIA14,7931.1%–

29Audubon County, IAIA5,5091.1%–

30Montgomery County, IAIA10,0021.1%–

31Butler County, IAIA14,0491.1%–

32Greene County, IAIA8,6581.1%–

33Bremer County, IAIA25,2961.0%–

34Washington County, IAIA22,6671.0%–

35Plymouth County, IAIA25,6971.0%–

36Franklin County, IAIA9,8681.0%–

37Iowa County, IAIA16,5041.0%–

38Jasper County, IAIA38,1530.9%–

39Worth County, IAIA7,3380.9%–

40Clinton County, IAIA46,0020.9%–

41Warren County, IAIA57,3310.9%–

42Allamakee County, IAIA14,2380.9%–

43Keokuk County, IAIA9,7970.9%–

44Clayton County, IAIA16,8450.9%–

45Tama County, IAIA16,7960.9%–

46Fayette County, IAIA19,0470.8%–

47Des Moines County, IAIA38,0770.8%–

48Adams County, IAIA3,6170.8%–

49Black Hawk County, IAIA131,5320.8%–

50Lucas County, IAIA8,8470.8%–

51Pocahontas County, IAIA6,8190.8%–

52Calhoun County, IAIA9,5620.8%–

53Dickinson County, IAIA18,0770.8%–

54Cass County, IAIA12,9600.7%–

55Hardin County, IAIA16,4550.7%–

56Guthrie County, IAIA10,7820.7%–

57Buchanan County, IAIA20,8830.7%–

58Palo Alto County, IAIA8,8990.7%–

59Wayne County, IAIA6,7380.7%–

60Mahaska County, IAIA21,8800.7%–

61Shelby County, IAIA11,6890.7%–

62Hancock County, IAIA10,5280.7%–

63Grundy County, IAIA12,3610.7%–

64Osceola County, IAIA5,9800.6%–

65Winneshiek County, IAIA19,7330.6%–

66Page County, IAIA14,8560.6%–

67Marion County, IAIA34,1920.6%–

68Jones County, IAIA21,2530.6%–

69Harrison County, IAIA14,6230.6%–

70Humboldt County, IAIA9,4090.6%–

71Cherokee County, IAIA11,3690.6%–

72Madison County, IAIA17,2700.5%–

73Carroll County, IAIA20,3030.5%–

74Adair County, IAIA7,4030.5%–

75Ida County, IAIA6,7770.5%–

76Kossuth County, IAIA14,3220.5%–

77Marshall County, IAIA39,8900.5%–

78Mitchell County, IAIA10,6500.5%–

79Boone County, IAIA26,7990.5%–

80Clay County, IAIA16,2020.5%–

81Appanoose County, IAIA12,0770.4%–

82Lee County, IAIA32,3060.4%–

83Crawford County, IAIA16,2370.4%–

84Lyon County, IAIA12,3540.4%–

85Poweshiek County, IAIA18,3680.4%–

86Ringgold County, IAIA4,6420.3%–

87Chickasaw County, IAIA11,6630.3%–

88Taylor County, IAIA5,8350.3%–

89Buena Vista County, IAIA20,4490.3%–

90Wapello County, IAIA35,2100.2%–

91Sioux County, IAIA36,7740.2%–

92Wright County, IAIA12,8010.2%–

93Sac County, IAIA9,5250.2%–

94Louisa County, IAIA10,4160.2%–

95Hamilton County, IAIA14,9440.2%–

96O'Brien County, IAIA14,2200.2%–

97Davis County, IAIA9,2300.1%–

98Delaware County, IAIA17,6740.1%–

99Clarke County, IAIA9,5740.1%–

SHOWING 1–99 OF 99

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