RANKING · 2024 ACS · 99 SHOWN OF 99

Most English-only households, Iowa counties

Iowa counties ranked by the share of residents 5+ who speak only English at home (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 95.5%.

IowaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RANKPLACESTATEPOPSPEAKS ONLY ENGLISH AT HOMEVS –

01Harrison County, IAIA14,62398.6%–

02Cass County, IAIA12,96098.6%–

03Dickinson County, IAIA18,07798.3%–

04Cedar County, IAIA18,35998.3%–

05Adair County, IAIA7,40398.2%–

06Mills County, IAIA14,79398.1%–

07Carroll County, IAIA20,30398.0%–

08Guthrie County, IAIA10,78297.8%–

09Greene County, IAIA8,65897.8%–

10Grundy County, IAIA12,36197.8%–

11Benton County, IAIA26,00497.7%–

12Fremont County, IAIA6,52297.7%–

13Monona County, IAIA8,53997.7%–

14Bremer County, IAIA25,29697.7%–

15Delaware County, IAIA17,67497.6%–

16Montgomery County, IAIA10,00297.5%–

17Page County, IAIA14,85697.5%–

18Adams County, IAIA3,61797.5%–

19Audubon County, IAIA5,50997.4%–

20Boone County, IAIA26,79997.4%–

21Lee County, IAIA32,30697.4%–

22Lyon County, IAIA12,35497.4%–

23Iowa County, IAIA16,50497.3%–

24Shelby County, IAIA11,68997.3%–

25Calhoun County, IAIA9,56297.2%–

26Jones County, IAIA21,25397.2%–

27Jackson County, IAIA19,28897.1%–

28Butler County, IAIA14,04997.1%–

29Clinton County, IAIA46,00297.1%–

30Warren County, IAIA57,33197.1%–

31Worth County, IAIA7,33897.1%–

32Keokuk County, IAIA9,79797.0%–

33Ringgold County, IAIA4,64297.0%–

34Des Moines County, IAIA38,07796.9%–

35Clay County, IAIA16,20296.8%–

36Marion County, IAIA34,19296.7%–

37Floyd County, IAIA14,90196.6%–

38Mahaska County, IAIA21,88096.5%–

39Sac County, IAIA9,52596.4%–

40Palo Alto County, IAIA8,89996.3%–

41Cerro Gordo County, IAIA42,37296.3%–

42Fayette County, IAIA19,04796.2%–

43Madison County, IAIA17,27096.1%–

44Monroe County, IAIA7,40696.1%–

45Buchanan County, IAIA20,88396.0%–

46Union County, IAIA11,82995.7%–

47Pocahontas County, IAIA6,81995.7%–

48Henry County, IAIA19,34995.6%–

49Hancock County, IAIA10,52895.6%–

50Ida County, IAIA6,77795.5%–

51Chickasaw County, IAIA11,66395.5%–

52Winneshiek County, IAIA19,73395.4%–

53Dubuque County, IAIA99,38195.2%–

54Kossuth County, IAIA14,32295.1%–

55Webster County, IAIA36,83895.1%–

56Jasper County, IAIA38,15394.9%–

57Hardin County, IAIA16,45594.8%–

58Decatur County, IAIA7,65594.8%–

59Poweshiek County, IAIA18,36894.7%–

60Clayton County, IAIA16,84594.3%–

61Humboldt County, IAIA9,40994.0%–

62Cherokee County, IAIA11,36993.9%–

63Winnebago County, IAIA10,25193.7%–

64Mitchell County, IAIA10,65093.5%–

65Appanoose County, IAIA12,07793.2%–

66Pottawattamie County, IAIA92,99693.1%–

67Taylor County, IAIA5,83593.1%–

68Plymouth County, IAIA25,69793.1%–

69Scott County, IAIA175,25993.0%–

70Linn County, IAIA232,02892.9%–

71Lucas County, IAIA8,84792.6%–

72O'Brien County, IAIA14,22092.4%–

73Washington County, IAIA22,66792.3%–

74Wayne County, IAIA6,73891.8%–

75Emmet County, IAIA9,10791.8%–

76Black Hawk County, IAIA131,53291.2%–

77Howard County, IAIA9,41590.4%–

78Osceola County, IAIA5,98089.8%–

79Hamilton County, IAIA14,94489.3%–

80Story County, IAIA101,29188.9%–

81Tama County, IAIA16,79688.8%–

82Clarke County, IAIA9,57488.8%–

83Sioux County, IAIA36,77487.5%–

84Allamakee County, IAIA14,23887.3%–

85Dallas County, IAIA118,45786.8%–

86Muscatine County, IAIA41,85385.9%–

87Wright County, IAIA12,80185.5%–

88Polk County, IAIA516,54685.3%–

89Johnson County, IAIA160,04485.3%–

90Van Buren County, IAIA7,13184.9%–

91Wapello County, IAIA35,21084.9%–

92Louisa County, IAIA10,41684.7%–

93Franklin County, IAIA9,86884.6%–

94Jefferson County, IAIA15,29184.1%–

95Woodbury County, IAIA106,64981.5%–

96Davis County, IAIA9,23077.4%–

97Marshall County, IAIA39,89075.2%–

98Crawford County, IAIA16,23773.0%–

99Buena Vista County, IAIA20,44963.5%–

SHOWING 1–99 OF 99

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES