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.

IowaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

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