RANKING · 2024 ACS · 94 SHOWN OF 94

Highest British population share, Iowa counties

Iowa counties ranked by the share of all residents who are British ancestry (2024 American Community Survey). A concentration measure: British residents as a percentage of total population. This list covers the 94 counties in Iowa that qualify, ranked against each other statewide.

British Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPBRITISH SHAREVS 2010

01Greene County, IAIA8,6580.9%+0.6 pts

02Jefferson County, IAIA15,2910.7%+0.4 pts

03Story County, IAIA101,2910.7%+0.2 pts

04Des Moines County, IAIA38,0770.6%+0.3 pts

05Clarke County, IAIA9,5740.6%+0.3 pts

06Poweshiek County, IAIA18,3680.5%+0.2 pts

07Madison County, IAIA17,2700.5%+0.0 pts

08Benton County, IAIA26,0040.5%+0.3 pts

09Lucas County, IAIA8,8470.5%−0.6 pts

10Emmet County, IAIA9,1070.5%+0.4 pts

11Cedar County, IAIA18,3590.5%+0.3 pts

12Linn County, IAIA232,0280.5%+0.1 pts

13Wapello County, IAIA35,2100.4%+0.3 pts

14Polk County, IAIA516,5460.4%+0.1 pts

15Van Buren County, IAIA7,1310.4%+0.3 pts

16Johnson County, IAIA160,0440.4%−0.1 pts

17Clay County, IAIA16,2020.4%+0.3 pts

18Franklin County, IAIA9,8680.4%+0.3 pts

19Washington County, IAIA22,6670.4%−0.5 pts

20Cerro Gordo County, IAIA42,3720.3%+0.2 pts

21Howard County, IAIA9,4150.3%+0.2 pts

22Marion County, IAIA34,1920.3%−0.0 pts

23Harrison County, IAIA14,6230.3%+0.2 pts

24Muscatine County, IAIA41,8530.3%+0.2 pts

25Butler County, IAIA14,0490.3%+0.2 pts

26Marshall County, IAIA39,8900.3%−0.0 pts

27Pottawattamie County, IAIA92,9960.3%+0.1 pts

28Louisa County, IAIA10,4160.3%–

29Webster County, IAIA36,8380.3%+0.3 pts

30Bremer County, IAIA25,2960.3%+0.2 pts

31Warren County, IAIA57,3310.3%+0.1 pts

32Fremont County, IAIA6,5220.3%−0.1 pts

33Jasper County, IAIA38,1530.3%+0.2 pts

34Buena Vista County, IAIA20,4490.3%+0.2 pts

35Cass County, IAIA12,9600.3%−0.0 pts

36Carroll County, IAIA20,3030.3%+0.2 pts

37Mills County, IAIA14,7930.3%−0.1 pts

38Boone County, IAIA26,7990.2%−0.0 pts

39Montgomery County, IAIA10,0020.2%+0.0 pts

40Dickinson County, IAIA18,0770.2%−0.2 pts

41Sac County, IAIA9,5250.2%+0.1 pts

42Scott County, IAIA175,2590.2%−0.0 pts

43Cherokee County, IAIA11,3690.2%+0.2 pts

44Wayne County, IAIA6,7380.2%+0.1 pts

45Crawford County, IAIA16,2370.2%−0.0 pts

46Clayton County, IAIA16,8450.2%+0.2 pts

47Shelby County, IAIA11,6890.2%+0.1 pts

48Black Hawk County, IAIA131,5320.2%+0.0 pts

49Lee County, IAIA32,3060.2%−0.0 pts

50Lyon County, IAIA12,3540.2%+0.1 pts

51Monroe County, IAIA7,4060.2%−0.0 pts

52Woodbury County, IAIA106,6490.2%+0.0 pts

53Mitchell County, IAIA10,6500.2%−0.1 pts

54Union County, IAIA11,8290.2%−0.1 pts

55Clinton County, IAIA46,0020.2%+0.1 pts

56Wright County, IAIA12,8010.2%−0.2 pts

57Grundy County, IAIA12,3610.2%+0.1 pts

58Appanoose County, IAIA12,0770.2%–

59Tama County, IAIA16,7960.2%+0.1 pts

60Dallas County, IAIA118,4570.2%−0.2 pts

61Dubuque County, IAIA99,3810.2%+0.0 pts

62Plymouth County, IAIA25,6970.1%−0.2 pts

63Floyd County, IAIA14,9010.1%−0.0 pts

64Winnebago County, IAIA10,2510.1%+0.1 pts

65Guthrie County, IAIA10,7820.1%−0.1 pts

66Henry County, IAIA19,3490.1%−0.2 pts

67Chickasaw County, IAIA11,6630.1%−0.1 pts

68Decatur County, IAIA7,6550.1%−0.0 pts

69Winneshiek County, IAIA19,7330.1%−0.1 pts

70Iowa County, IAIA16,5040.1%−0.1 pts

71Audubon County, IAIA5,5090.1%+0.0 pts

72Buchanan County, IAIA20,8830.1%−0.1 pts

73Page County, IAIA14,8560.1%−0.4 pts

74Sioux County, IAIA36,7740.1%−0.1 pts

75Kossuth County, IAIA14,3220.1%−0.1 pts

76Monona County, IAIA8,5390.1%−0.3 pts

77Taylor County, IAIA5,8350.1%−0.1 pts

78Hardin County, IAIA16,4550.1%−0.0 pts

79Hamilton County, IAIA14,9440.1%−0.3 pts

80Mahaska County, IAIA21,8800.1%−0.2 pts

81Worth County, IAIA7,3380.1%−0.0 pts

82O'Brien County, IAIA14,2200.1%+0.0 pts

83Osceola County, IAIA5,9800.0%+0.0 pts

84Jones County, IAIA21,2530.0%−0.4 pts

85Ida County, IAIA6,7770.0%+0.0 pts

86Pocahontas County, IAIA6,8190.0%−0.5 pts

87Jackson County, IAIA19,2880.0%−0.2 pts

88Calhoun County, IAIA9,5620.0%−0.0 pts

89Adair County, IAIA7,4030.0%−0.1 pts

90Humboldt County, IAIA9,4090.0%–

91Fayette County, IAIA19,0470.0%−0.4 pts

92Ringgold County, IAIA4,6420.0%−0.2 pts

93Palo Alto County, IAIA8,8990.0%−0.0 pts

94Allamakee County, IAIA14,2380.0%−0.0 pts

SHOWING 1–94 OF 94

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES