RANKING · 2024 ACS · 99 SHOWN OF 99

Highest White (non-Hispanic) population share, Iowa counties

Iowa counties ranked by the share of all residents who are White, not Hispanic or Latino (2024 American Community Survey). A concentration measure: White (non-Hispanic) 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 ZIP codes

YEAR1990 2000 2010 2020 2024

Highest White (non-Hispanic) population share by state

RANKPLACESTATEPOPWHITE, NON-HISPANICVS 2000

01Mitchell County, IAIA10,65095.1%−3.7 pts

02Clayton County, IAIA16,84595.0%−3.5 pts

03Buchanan County, IAIA20,88395.0%−3.0 pts

04Grundy County, IAIA12,36194.9%−3.7 pts

05Monroe County, IAIA7,40694.8%−3.3 pts

06Ringgold County, IAIA4,64294.7%−4.2 pts

07Keokuk County, IAIA9,79794.6%−4.2 pts

08Butler County, IAIA14,04994.6%−4.0 pts

09Adams County, IAIA3,61794.5%−4.0 pts

10Benton County, IAIA26,00494.4%−3.9 pts

11Harrison County, IAIA14,62394.4%−3.8 pts

12Van Buren County, IAIA7,13194.4%−3.7 pts

13Madison County, IAIA17,27094.3%−3.9 pts

14Delaware County, IAIA17,67494.1%−4.7 pts

15Lucas County, IAIA8,84794.0%−4.1 pts

16Audubon County, IAIA5,50993.8%−4.9 pts

17Davis County, IAIA9,23093.8%−4.2 pts

18Appanoose County, IAIA12,07793.8%−3.8 pts

19Wayne County, IAIA6,73893.7%−4.6 pts

20Jackson County, IAIA19,28893.6%−4.9 pts

21Cass County, IAIA12,96093.5%−5.0 pts

22Lyon County, IAIA12,35493.4%−5.6 pts

23Dickinson County, IAIA18,07793.4%−5.1 pts

24Marion County, IAIA34,19293.3%−3.6 pts

25Worth County, IAIA7,33893.3%−4.0 pts

26Winneshiek County, IAIA19,73393.3%−4.1 pts

27Cedar County, IAIA18,35993.2%−4.7 pts

28Adair County, IAIA7,40393.1%−5.4 pts

29Howard County, IAIA9,41593.0%−5.7 pts

30Boone County, IAIA26,79992.9%−5.2 pts

31Monona County, IAIA8,53992.8%−5.1 pts

32Mills County, IAIA14,79392.7%−4.5 pts

33Chickasaw County, IAIA11,66392.6%−6.0 pts

34Iowa County, IAIA16,50492.5%−5.7 pts

35Guthrie County, IAIA10,78292.4%−5.6 pts

36Greene County, IAIA8,65892.3%−5.1 pts

37Bremer County, IAIA25,29692.3%−5.6 pts

38Montgomery County, IAIA10,00292.0%−5.7 pts

39Carroll County, IAIA20,30391.9%−6.7 pts

40Warren County, IAIA57,33191.9%−5.5 pts

41Union County, IAIA11,82991.9%−6.0 pts

42Sac County, IAIA9,52591.8%−6.2 pts

43Kossuth County, IAIA14,32291.7%−6.5 pts

44Mahaska County, IAIA21,88091.6%−5.2 pts

45Jones County, IAIA21,25391.5%−4.5 pts

46Ida County, IAIA6,77791.5%−7.2 pts

47Fremont County, IAIA6,52291.4%−5.4 pts

48Calhoun County, IAIA9,56291.3%−6.3 pts

49Shelby County, IAIA11,68991.3%−6.9 pts

50Palo Alto County, IAIA8,89991.3%−6.9 pts

51Clay County, IAIA16,20291.1%−6.2 pts

52Fayette County, IAIA19,04791.0%−5.9 pts

53Jasper County, IAIA38,15390.8%−6.2 pts

54Humboldt County, IAIA9,40990.4%−7.8 pts

55Page County, IAIA14,85690.3%−4.9 pts

56Lee County, IAIA32,30690.3%−2.8 pts

57Decatur County, IAIA7,65590.2%−5.3 pts

58Hancock County, IAIA10,52890.1%−6.5 pts

59Hardin County, IAIA16,45590.1%−6.1 pts

60Poweshiek County, IAIA18,36889.8%−6.4 pts

61Clinton County, IAIA46,00289.0%−6.1 pts

62Winnebago County, IAIA10,25189.0%−7.4 pts

63Taylor County, IAIA5,83588.9%−6.5 pts

64Floyd County, IAIA14,90188.7%−8.7 pts

65Washington County, IAIA22,66788.7%−7.3 pts

66Cherokee County, IAIA11,36988.6%−9.2 pts

67Pocahontas County, IAIA6,81988.6%−9.4 pts

68Dubuque County, IAIA99,38188.3%−8.2 pts

69Cerro Gordo County, IAIA42,37288.2%−6.4 pts

70Plymouth County, IAIA25,69788.0%−9.4 pts

71O'Brien County, IAIA14,22087.0%−9.8 pts

72Allamakee County, IAIA14,23886.5%−8.8 pts

73Henry County, IAIA19,34986.2%−8.0 pts

74Emmet County, IAIA9,10785.2%−9.3 pts

75Pottawattamie County, IAIA92,99684.5%−9.7 pts

76Des Moines County, IAIA38,07784.5%−8.3 pts

77Osceola County, IAIA5,98084.0%−13.2 pts

78Webster County, IAIA36,83883.9%−8.5 pts

79Hamilton County, IAIA14,94483.8%−12.3 pts

80Sioux County, IAIA36,77482.8%−13.4 pts

81Jefferson County, IAIA15,29182.4%−12.3 pts

82Linn County, IAIA232,02882.4%−10.7 pts

83Story County, IAIA101,29181.0%−9.3 pts

84Dallas County, IAIA118,45780.9%−11.5 pts

85Franklin County, IAIA9,86880.2%−13.2 pts

86Tama County, IAIA16,79678.4%−10.8 pts

87Black Hawk County, IAIA131,53278.1%−9.6 pts

88Clarke County, IAIA9,57477.5%−17.2 pts

89Scott County, IAIA175,25977.0%−9.6 pts

90Louisa County, IAIA10,41677.0%−9.4 pts

91Wapello County, IAIA35,21075.6%−19.6 pts

92Wright County, IAIA12,80175.5%−18.6 pts

93Muscatine County, IAIA41,85375.0%−10.7 pts

94Johnson County, IAIA160,04474.8%−14.0 pts

95Polk County, IAIA516,54673.2%−13.3 pts

96Woodbury County, IAIA106,64967.1%−16.5 pts

97Marshall County, IAIA39,89066.0%−22.2 pts

98Crawford County, IAIA16,23762.1%−27.3 pts

99Buena Vista County, IAIA20,44952.1%−30.0 pts

SHOWING 1–99 OF 99

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