RANKING · 2020 CENSUS · 99 SHOWN OF 99

Largest English population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are English ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

English Americans: full group profile →

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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

RANKPLACESTATEPOPENGLISH POPULATIONVS 2010

01Polk County, IAIA516,54643,369−2%

02Linn County, IAIA232,02820,578−3%

03Johnson County, IAIA160,04414,543+9%

04Scott County, IAIA175,25914,492+4%

05Black Hawk County, IAIA131,5329,688−9%

06Story County, IAIA101,2918,328−13%

07Pottawattamie County, IAIA92,9968,324−21%

08Dallas County, IAIA118,4578,152+19%

09Woodbury County, IAIA106,6496,816−19%

10Warren County, IAIA57,3316,067+4%

11Dubuque County, IAIA99,3815,626−15%

12Wapello County, IAIA35,2103,904−17%

13Marshall County, IAIA39,8903,500−12%

14Des Moines County, IAIA38,0773,384−20%

15Clinton County, IAIA46,0023,336−23%

16Jasper County, IAIA38,1533,247−29%

17Marion County, IAIA34,1922,939−19%

18Mahaska County, IAIA21,8802,857+12%

19Muscatine County, IAIA41,8532,766−37%

20Lee County, IAIA32,3062,610−28%

21Cerro Gordo County, IAIA42,3722,499−48%

22Webster County, IAIA36,8382,295−27%

23Boone County, IAIA26,7992,172−28%

24Mills County, IAIA14,7932,044+14%

25Benton County, IAIA26,0041,777−32%

26Henry County, IAIA19,3491,739−10%

27Washington County, IAIA22,6671,697−10%

28Bremer County, IAIA25,2961,679−26%

29Winneshiek County, IAIA19,7331,615−5%

30Appanoose County, IAIA12,0771,581−21%

31Buchanan County, IAIA20,8831,569−15%

32Harrison County, IAIA14,6231,543−22%

33Poweshiek County, IAIA18,3681,541−35%

34Page County, IAIA14,8561,465−14%

35Jones County, IAIA21,2531,461−25%

36Madison County, IAIA17,2701,417−36%

37Plymouth County, IAIA25,6971,380−34%

38Fayette County, IAIA19,0471,369−30%

39Hardin County, IAIA16,4551,350−25%

40Cedar County, IAIA18,3591,344−27%

41Greene County, IAIA8,6581,304+5%

42Jefferson County, IAIA15,2911,301−39%

43Delaware County, IAIA17,6741,298−31%

44Clarke County, IAIA9,5741,257−2%

45Union County, IAIA11,8291,217−29%

46Iowa County, IAIA16,5041,209−26%

47Cass County, IAIA12,9601,196−29%

48Dickinson County, IAIA18,0771,167−35%

49Montgomery County, IAIA10,0021,119−10%

50Monroe County, IAIA7,4061,108+7%

51Guthrie County, IAIA10,7821,062−18%

52Sioux County, IAIA36,7741,043−26%

53Clayton County, IAIA16,8451,027−42%

54Jackson County, IAIA19,2881,019−44%

55Hamilton County, IAIA14,944998−41%

56Clay County, IAIA16,202997−31%

57Tama County, IAIA16,796966−27%

58Carroll County, IAIA20,303955−26%

59Davis County, IAIA9,230948+1%

60Kossuth County, IAIA14,322939−15%

61Buena Vista County, IAIA20,449933−38%

62Floyd County, IAIA14,901925−35%

63Wright County, IAIA12,801903−26%

64Allamakee County, IAIA14,238882−1%

65Lucas County, IAIA8,847876−20%

66Shelby County, IAIA11,689838−26%

67Taylor County, IAIA5,835832−9%

68Emmet County, IAIA9,107832+9%

69Grundy County, IAIA12,361828−1%

70Wayne County, IAIA6,738820−14%

71Monona County, IAIA8,539816−2%

72Decatur County, IAIA7,655799−36%

73Keokuk County, IAIA9,797792−34%

74Butler County, IAIA14,049782−38%

75Calhoun County, IAIA9,562767−7%

76Mitchell County, IAIA10,650762−16%

77Crawford County, IAIA16,237750−27%

78Fremont County, IAIA6,522723−29%

79Cherokee County, IAIA11,369680−45%

80Sac County, IAIA9,525665−32%

81O'Brien County, IAIA14,220653−27%

82Louisa County, IAIA10,416647−52%

83Ringgold County, IAIA4,642638−5%

84Humboldt County, IAIA9,409634−16%

85Adair County, IAIA7,403608−34%

86Palo Alto County, IAIA8,899591−19%

87Van Buren County, IAIA7,131587−31%

88Hancock County, IAIA10,528585−33%

89Franklin County, IAIA9,868578−24%

90Ida County, IAIA6,777540−3%

91Winnebago County, IAIA10,251504−48%

92Chickasaw County, IAIA11,663469−47%

93Worth County, IAIA7,338467−27%

94Audubon County, IAIA5,509466−15%

95Adams County, IAIA3,617463−24%

96Howard County, IAIA9,415433−17%

97Lyon County, IAIA12,354355+2%

98Pocahontas County, IAIA6,819320−33%

99Osceola County, IAIA5,980189−57%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS