RANKING · 2010 CENSUS · 99 SHOWN OF 99

Highest White (non-Hispanic) population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are White, not Hispanic or Latino (2010 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

01Audubon County, IAIA5,50998.2%−1%

02Mitchell County, IAIA10,65098.0%−1%

03Lucas County, IAIA8,84798.0%−0%

04Delaware County, IAIA17,67498.0%−1%

05Calhoun County, IAIA9,56297.9%+0%

06Grundy County, IAIA12,36197.9%−1%

07Butler County, IAIA14,04997.9%−1%

08Keokuk County, IAIA9,79797.9%−1%

09Davis County, IAIA9,23097.7%−0%

10Adair County, IAIA7,40397.7%−1%

11Dickinson County, IAIA18,07797.5%−1%

12Wayne County, IAIA6,73897.5%−1%

13Ida County, IAIA6,77797.4%−1%

14Van Buren County, IAIA7,13197.4%−1%

15Howard County, IAIA9,41597.4%−1%

16Benton County, IAIA26,00497.4%−1%

17Harrison County, IAIA14,62397.3%−1%

18Adams County, IAIA3,61797.3%−1%

19Lyon County, IAIA12,35497.3%−2%

20Kossuth County, IAIA14,32297.3%−1%

21Madison County, IAIA17,27097.2%−1%

22Buchanan County, IAIA20,88397.1%−1%

23Sac County, IAIA9,52596.9%−1%

24Clayton County, IAIA16,84596.9%−2%

25Chickasaw County, IAIA11,66396.9%−2%

26Jackson County, IAIA19,28896.9%−2%

27Ringgold County, IAIA4,64296.8%−2%

28Appanoose County, IAIA12,07796.8%−1%

29Cass County, IAIA12,96096.7%−2%

30Cedar County, IAIA18,35996.7%−1%

31Guthrie County, IAIA10,78296.7%−1%

32Iowa County, IAIA16,50496.7%−2%

33Shelby County, IAIA11,68996.7%−2%

34Palo Alto County, IAIA8,89996.7%−1%

35Carroll County, IAIA20,30396.7%−2%

36Bremer County, IAIA25,29696.6%−1%

37Greene County, IAIA8,65896.6%−1%

38Worth County, IAIA7,33896.5%−1%

39Pocahontas County, IAIA6,81996.3%−2%

40Monona County, IAIA8,53996.3%−2%

41Monroe County, IAIA7,40696.3%−2%

42Union County, IAIA11,82996.0%−2%

43Boone County, IAIA26,79995.8%−2%

44Jasper County, IAIA38,15395.8%−1%

45Warren County, IAIA57,33195.8%−2%

46Fremont County, IAIA6,52295.7%−1%

47Fayette County, IAIA19,04795.7%−1%

48Winneshiek County, IAIA19,73395.7%−2%

49Cherokee County, IAIA11,36995.7%−2%

50Montgomery County, IAIA10,00295.6%−2%

51Marion County, IAIA34,19295.6%−1%

52Mills County, IAIA14,79395.6%−2%

53Jones County, IAIA21,25395.5%−0%

54Plymouth County, IAIA25,69795.2%−2%

55Clay County, IAIA16,20295.1%−2%

56Mahaska County, IAIA21,88094.9%−2%

57Hancock County, IAIA10,52894.7%−2%

58Floyd County, IAIA14,90194.7%−3%

59Humboldt County, IAIA9,40994.6%−4%

60O'Brien County, IAIA14,22094.5%−2%

61Winnebago County, IAIA10,25194.3%−2%

62Decatur County, IAIA7,65594.0%−2%

63Hardin County, IAIA16,45593.7%−3%

64Poweshiek County, IAIA18,36893.6%−3%

65Allamakee County, IAIA14,23893.0%−2%

66Taylor County, IAIA5,83593.0%−2%

67Dubuque County, IAIA99,38192.9%−4%

68Page County, IAIA14,85692.7%−3%

69Washington County, IAIA22,66792.7%−3%

70Cerro Gordo County, IAIA42,37292.6%−2%

71Clinton County, IAIA46,00292.5%−3%

72Osceola County, IAIA5,98091.9%−6%

73Lee County, IAIA32,30691.6%−2%

74Hamilton County, IAIA14,94491.5%−5%

75Emmet County, IAIA9,10790.5%−4%

76Henry County, IAIA19,34990.1%−4%

77Webster County, IAIA36,83890.0%−3%

78Pottawattamie County, IAIA92,99689.7%−5%

79Des Moines County, IAIA38,07789.4%−4%

80Linn County, IAIA232,02889.3%−4%

81Sioux County, IAIA36,77489.3%−7%

82Wright County, IAIA12,80188.7%−6%

83Dallas County, IAIA118,45788.7%−4%

84Clarke County, IAIA9,57488.4%−7%

85Wapello County, IAIA35,21087.5%−8%

86Franklin County, IAIA9,86887.4%−6%

87Story County, IAIA101,29186.9%−4%

88Jefferson County, IAIA15,29186.3%−9%

89Black Hawk County, IAIA131,53283.9%−4%

90Tama County, IAIA16,79683.7%−6%

91Johnson County, IAIA160,04483.1%−6%

92Scott County, IAIA175,25982.8%−4%

93Louisa County, IAIA10,41681.8%−5%

94Muscatine County, IAIA41,85380.8%−6%

95Polk County, IAIA516,54680.7%−7%

96Marshall County, IAIA39,89078.2%−11%

97Woodbury County, IAIA106,64977.6%−7%

98Crawford County, IAIA16,23773.4%−18%

99Buena Vista County, IAIA20,44967.9%−17%

SHOWING 1–99 OF 99

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