RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest English population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are English ancestry (2023 American Community Survey). A concentration measure: English residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

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

RANKPLACESTATEPOPENGLISH SHAREVS 2000

01Greene County, IAIA8,65814.6%–

02Monroe County, IAIA7,40614.3%–

03Mills County, IAIA14,79313.6%–

04Taylor County, IAIA5,83513.5%–

05Clarke County, IAIA9,57413.4%–

06Ringgold County, IAIA4,64213.0%–

07Mahaska County, IAIA21,88012.8%–

08Wayne County, IAIA6,73812.8%–

09Adams County, IAIA3,61712.7%–

10Appanoose County, IAIA12,07712.7%–

11Warren County, IAIA57,33111.9%–

12Montgomery County, IAIA10,00211.2%–

13Wapello County, IAIA35,21011.1%–

14Harrison County, IAIA14,62311.0%–

15Davis County, IAIA9,23010.6%–

16Fremont County, IAIA6,52210.5%–

17Lucas County, IAIA8,84710.2%–

18Decatur County, IAIA7,65510.1%–

19Guthrie County, IAIA10,7829.9%–

20Union County, IAIA11,8299.9%–

21Johnson County, IAIA160,0449.6%–

22Page County, IAIA14,8569.6%–

23Monona County, IAIA8,5399.4%–

24Cass County, IAIA12,9609.2%–

25Linn County, IAIA232,0289.1%–

26Dallas County, IAIA118,4579.0%–

27Polk County, IAIA516,5468.9%–

28Emmet County, IAIA9,1078.9%–

29Pottawattamie County, IAIA92,9968.9%–

30Marion County, IAIA34,1928.9%–

31Marshall County, IAIA39,8908.8%–

32Madison County, IAIA17,2708.8%–

33Jasper County, IAIA38,1538.8%–

34Henry County, IAIA19,3498.7%–

35Des Moines County, IAIA38,0778.6%–

36Adair County, IAIA7,4038.6%–

37Story County, IAIA101,2918.6%–

38Audubon County, IAIA5,5098.4%–

39Scott County, IAIA175,2598.4%–

40Poweshiek County, IAIA18,3688.4%–

41Van Buren County, IAIA7,1318.3%–

42Boone County, IAIA26,7998.2%–

43Winneshiek County, IAIA19,7338.0%–

44Hardin County, IAIA16,4558.0%–

45Calhoun County, IAIA9,5627.9%–

46Ida County, IAIA6,7777.9%–

47Keokuk County, IAIA9,7977.8%–

48Lee County, IAIA32,3067.7%–

49Washington County, IAIA22,6677.7%–

50Delaware County, IAIA17,6747.6%–

51Iowa County, IAIA16,5047.5%–

52Buchanan County, IAIA20,8837.4%–

53Black Hawk County, IAIA131,5327.3%–

54Cedar County, IAIA18,3597.3%–

55Shelby County, IAIA11,6897.3%–

56Mitchell County, IAIA10,6507.2%–

57Jefferson County, IAIA15,2917.2%–

58Wright County, IAIA12,8017.1%–

59Clinton County, IAIA46,0027.1%–

60Jones County, IAIA21,2537.1%–

61Fayette County, IAIA19,0477.0%–

62Benton County, IAIA26,0047.0%–

63Sac County, IAIA9,5256.8%–

64Dickinson County, IAIA18,0776.8%–

65Grundy County, IAIA12,3616.8%–

66Bremer County, IAIA25,2966.7%–

67Hamilton County, IAIA14,9446.7%–

68Humboldt County, IAIA9,4096.7%–

69Woodbury County, IAIA106,6496.6%–

70Palo Alto County, IAIA8,8996.6%–

71Muscatine County, IAIA41,8536.5%–

72Allamakee County, IAIA14,2386.4%–

73Kossuth County, IAIA14,3226.3%–

74Webster County, IAIA36,8386.3%–

75Worth County, IAIA7,3386.3%–

76Clay County, IAIA16,2026.2%–

77Cherokee County, IAIA11,3696.0%–

78Floyd County, IAIA14,9015.9%–

79Clayton County, IAIA16,8455.9%–

80Cerro Gordo County, IAIA42,3725.9%–

81Louisa County, IAIA10,4165.8%–

82Dubuque County, IAIA99,3815.8%–

83Franklin County, IAIA9,8685.7%–

84Tama County, IAIA16,7965.7%–

85Plymouth County, IAIA25,6975.5%–

86Hancock County, IAIA10,5285.5%–

87Butler County, IAIA14,0495.4%–

88Jackson County, IAIA19,2885.3%–

89Winnebago County, IAIA10,2514.8%–

90Pocahontas County, IAIA6,8194.8%–

91Carroll County, IAIA20,3034.7%–

92O'Brien County, IAIA14,2204.7%–

93Howard County, IAIA9,4154.7%–

94Buena Vista County, IAIA20,4494.7%–

95Crawford County, IAIA16,2374.4%–

96Chickasaw County, IAIA11,6633.9%–

97Osceola County, IAIA5,9803.1%–

98Lyon County, IAIA12,3543.0%–

99Sioux County, IAIA36,7743.0%–

SHOWING 1–99 OF 99

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