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

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Largest Black population

YEAR1990 2000 2010 2020 2024

Highest White (non-Hispanic) population share by state

RANKPLACESTATEPOPWHITE, NON-HISPANICVS 2000

01Mitchell County, IAIA10,65095.1%−4%

02Clayton County, IAIA16,84595.0%−4%

03Buchanan County, IAIA20,88395.0%−3%

04Grundy County, IAIA12,36194.9%−4%

05Monroe County, IAIA7,40694.8%−3%

06Ringgold County, IAIA4,64294.7%−4%

07Keokuk County, IAIA9,79794.6%−4%

08Butler County, IAIA14,04994.6%−4%

09Adams County, IAIA3,61794.5%−4%

10Benton County, IAIA26,00494.4%−4%

11Harrison County, IAIA14,62394.4%−4%

12Van Buren County, IAIA7,13194.4%−4%

13Madison County, IAIA17,27094.3%−4%

14Delaware County, IAIA17,67494.1%−5%

15Lucas County, IAIA8,84794.0%−4%

16Audubon County, IAIA5,50993.8%−5%

17Davis County, IAIA9,23093.8%−4%

18Appanoose County, IAIA12,07793.8%−4%

19Wayne County, IAIA6,73893.7%−5%

20Jackson County, IAIA19,28893.6%−5%

21Cass County, IAIA12,96093.5%−5%

22Lyon County, IAIA12,35493.4%−6%

23Dickinson County, IAIA18,07793.4%−5%

24Marion County, IAIA34,19293.3%−4%

25Worth County, IAIA7,33893.3%−4%

26Winneshiek County, IAIA19,73393.3%−4%

27Cedar County, IAIA18,35993.2%−5%

28Adair County, IAIA7,40393.1%−5%

29Howard County, IAIA9,41593.0%−6%

30Boone County, IAIA26,79992.9%−5%

31Monona County, IAIA8,53992.8%−5%

32Mills County, IAIA14,79392.7%−5%

33Chickasaw County, IAIA11,66392.6%−6%

34Iowa County, IAIA16,50492.5%−6%

35Guthrie County, IAIA10,78292.4%−6%

36Greene County, IAIA8,65892.3%−5%

37Bremer County, IAIA25,29692.3%−6%

38Montgomery County, IAIA10,00292.0%−6%

39Carroll County, IAIA20,30391.9%−7%

40Warren County, IAIA57,33191.9%−6%

41Union County, IAIA11,82991.9%−6%

42Sac County, IAIA9,52591.8%−6%

43Kossuth County, IAIA14,32291.7%−7%

44Mahaska County, IAIA21,88091.6%−5%

45Jones County, IAIA21,25391.5%−5%

46Ida County, IAIA6,77791.5%−7%

47Fremont County, IAIA6,52291.4%−6%

48Calhoun County, IAIA9,56291.3%−6%

49Shelby County, IAIA11,68991.3%−7%

50Palo Alto County, IAIA8,89991.3%−7%

51Clay County, IAIA16,20291.1%−6%

52Fayette County, IAIA19,04791.0%−6%

53Jasper County, IAIA38,15390.8%−6%

54Humboldt County, IAIA9,40990.4%−8%

55Page County, IAIA14,85690.3%−5%

56Lee County, IAIA32,30690.3%−3%

57Decatur County, IAIA7,65590.2%−6%

58Hancock County, IAIA10,52890.1%−7%

59Hardin County, IAIA16,45590.1%−6%

60Poweshiek County, IAIA18,36889.8%−7%

61Clinton County, IAIA46,00289.0%−6%

62Winnebago County, IAIA10,25189.0%−8%

63Taylor County, IAIA5,83588.9%−7%

64Floyd County, IAIA14,90188.7%−9%

65Washington County, IAIA22,66788.7%−8%

66Cherokee County, IAIA11,36988.6%−9%

67Pocahontas County, IAIA6,81988.6%−10%

68Dubuque County, IAIA99,38188.3%−9%

69Cerro Gordo County, IAIA42,37288.2%−7%

70Plymouth County, IAIA25,69788.0%−10%

71O'Brien County, IAIA14,22087.0%−10%

72Allamakee County, IAIA14,23886.5%−9%

73Henry County, IAIA19,34986.2%−8%

74Emmet County, IAIA9,10785.2%−10%

75Pottawattamie County, IAIA92,99684.5%−10%

76Des Moines County, IAIA38,07784.5%−9%

77Osceola County, IAIA5,98084.0%−14%

78Webster County, IAIA36,83883.9%−9%

79Hamilton County, IAIA14,94483.8%−13%

80Sioux County, IAIA36,77482.8%−14%

81Jefferson County, IAIA15,29182.4%−13%

82Linn County, IAIA232,02882.4%−12%

83Story County, IAIA101,29181.0%−10%

84Dallas County, IAIA118,45780.9%−12%

85Franklin County, IAIA9,86880.2%−14%

86Tama County, IAIA16,79678.4%−12%

87Black Hawk County, IAIA131,53278.1%−11%

88Clarke County, IAIA9,57477.5%−18%

89Scott County, IAIA175,25977.0%−11%

90Louisa County, IAIA10,41677.0%−11%

91Wapello County, IAIA35,21075.6%−21%

92Wright County, IAIA12,80175.5%−20%

93Muscatine County, IAIA41,85375.0%−12%

94Johnson County, IAIA160,04474.8%−16%

95Polk County, IAIA516,54673.2%−15%

96Woodbury County, IAIA106,64967.1%−20%

97Marshall County, IAIA39,89066.0%−25%

98Crawford County, IAIA16,23762.1%−31%

99Buena Vista County, IAIA20,44952.1%−37%

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