RANKING · 2024 ACS · 94 SHOWN OF 94

Largest British population, Iowa counties

Iowa counties ranked by the number of residents who are British 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 94 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

RANKPLACESTATEPOPBRITISH POPULATIONVS 2010

01Polk County, IAIA516,5462,073+47%

02Linn County, IAIA232,0281,042+42%

03Story County, IAIA101,291711+67%

04Johnson County, IAIA160,044619−5%

05Scott County, IAIA175,259411−8%

06Pottawattamie County, IAIA92,996300+23%

07Black Hawk County, IAIA131,532267+19%

08Des Moines County, IAIA38,077216+140%

09Woodbury County, IAIA106,649181+31%

10Dallas County, IAIA118,457164−26%

11Warren County, IAIA57,331159+56%

12Dubuque County, IAIA99,381150+43%

13Wapello County, IAIA35,210148+335%

14Cerro Gordo County, IAIA42,372147+242%

15Muscatine County, IAIA41,853139+209%

16Benton County, IAIA26,004129+108%

17Marshall County, IAIA39,890129−12%

18Jefferson County, IAIA15,291117+83%

19Webster County, IAIA36,838115+475%

20Marion County, IAIA34,192111−9%

21Jasper County, IAIA38,153109+132%

22Poweshiek County, IAIA18,36897+54%

23Madison County, IAIA17,27088+16%

24Cedar County, IAIA18,35985+158%

25Washington County, IAIA22,66784−54%

26Clinton County, IAIA46,00277+114%

27Greene County, IAIA8,65876+153%

28Bremer County, IAIA25,29675+188%

29Boone County, IAIA26,79966−13%

30Clay County, IAIA16,20263+530%

31Lee County, IAIA32,30660−20%

32Buena Vista County, IAIA20,44956+155%

33Carroll County, IAIA20,30355+1000%

34Clarke County, IAIA9,57454+170%

35Harrison County, IAIA14,62348+269%

36Butler County, IAIA14,04946+92%

37Dickinson County, IAIA18,07743−45%

38Emmet County, IAIA9,10743+2050%

39Lucas County, IAIA8,84742−59%

40Clayton County, IAIA16,84538+533%

41Franklin County, IAIA9,86838+322%

42Mills County, IAIA14,79338−38%

43Plymouth County, IAIA25,69738−49%

44Sioux County, IAIA36,77438−30%

45Crawford County, IAIA16,23737−10%

46Cass County, IAIA12,96035−20%

47Louisa County, IAIA10,41634–

48Howard County, IAIA9,41532+146%

49Van Buren County, IAIA7,13129+383%

50Cherokee County, IAIA11,36927+440%

51Shelby County, IAIA11,68926+136%

52Tama County, IAIA16,79626+160%

53Henry County, IAIA19,34925−60%

54Montgomery County, IAIA10,00225+4%

55Sac County, IAIA9,52523+44%

56Winneshiek County, IAIA19,73323−55%

57Buchanan County, IAIA20,88322−42%

58Floyd County, IAIA14,90122−29%

59Lyon County, IAIA12,35422+267%

60Wright County, IAIA12,80121−60%

61Union County, IAIA11,82920−29%

62Grundy County, IAIA12,36120+100%

63Appanoose County, IAIA12,07719–

64Fremont County, IAIA6,52219−32%

65Mitchell County, IAIA10,65018−38%

66Iowa County, IAIA16,50418−49%

67Mahaska County, IAIA21,88016−77%

68Page County, IAIA14,85616−80%

69Guthrie County, IAIA10,78215−42%

70Wayne County, IAIA6,73815+36%

71Winnebago County, IAIA10,25115+400%

72Chickasaw County, IAIA11,66314−36%

73Hardin County, IAIA16,45514−13%

74Kossuth County, IAIA14,32214−61%

75Monroe County, IAIA7,40613−24%

76Hamilton County, IAIA14,94411−82%

77Jones County, IAIA21,25310−89%

78Decatur County, IAIA7,6559−31%

79O'Brien County, IAIA14,2209+200%

80Jackson County, IAIA19,2888−83%

81Monona County, IAIA8,5398−80%

82Audubon County, IAIA5,5096+0%

83Taylor County, IAIA5,8355−50%

84Fayette County, IAIA19,0475−94%

85Worth County, IAIA7,3385−38%

86Calhoun County, IAIA9,5624−50%

87Adair County, IAIA7,4033−77%

88Humboldt County, IAIA9,4093–

89Ida County, IAIA6,7773+50%

90Osceola County, IAIA5,9803+0%

91Pocahontas County, IAIA6,8193−93%

92Allamakee County, IAIA14,2381−80%

93Palo Alto County, IAIA8,8991−50%

94Ringgold County, IAIA4,6421−93%

SHOWING 1–94 OF 94

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