RANKING · 2000 CENSUS · 99 SHOWN OF 99

Highest White (non-Hispanic) population share, Iowa counties · 2000

Iowa counties ranked by the share of all residents who are White, not Hispanic or Latino (2000 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 1990

01Lyon County, IAIA12,35498.9%−1%

02Mitchell County, IAIA10,65098.9%−1%

03Ringgold County, IAIA4,64298.8%−0%

04Delaware County, IAIA17,67498.8%−1%

05Keokuk County, IAIA9,79798.8%−1%

06Audubon County, IAIA5,50998.7%−1%

07Ida County, IAIA6,77798.7%−1%

08Howard County, IAIA9,41598.6%−1%

09Grundy County, IAIA12,36198.6%−1%

10Carroll County, IAIA20,30398.6%−1%

11Butler County, IAIA14,04998.6%−1%

12Jackson County, IAIA19,28898.5%−1%

13Chickasaw County, IAIA11,66398.5%−1%

14Adams County, IAIA3,61798.5%−1%

15Cass County, IAIA12,96098.5%−1%

16Adair County, IAIA7,40398.4%−1%

17Clayton County, IAIA16,84598.4%−1%

18Dickinson County, IAIA18,07798.4%−1%

19Benton County, IAIA26,00498.4%−1%

20Wayne County, IAIA6,73898.3%−1%

21Kossuth County, IAIA14,32298.3%−1%

22Shelby County, IAIA11,68998.2%−1%

23Iowa County, IAIA16,50498.2%−1%

24Harrison County, IAIA14,62398.2%−1%

25Madison County, IAIA17,27098.2%−1%

26Humboldt County, IAIA9,40998.1%−1%

27Palo Alto County, IAIA8,89998.1%−1%

28Boone County, IAIA26,79998.1%−1%

29Monroe County, IAIA7,40698.1%−0%

30Van Buren County, IAIA7,13198.1%−2%

31Lucas County, IAIA8,84798.0%−1%

32Guthrie County, IAIA10,78298.0%−2%

33Pocahontas County, IAIA6,81998.0%−1%

34Sac County, IAIA9,52598.0%−1%

35Davis County, IAIA9,23098.0%−1%

36Buchanan County, IAIA20,88398.0%−1%

37Monona County, IAIA8,53997.9%−1%

38Bremer County, IAIA25,29697.9%−1%

39Cedar County, IAIA18,35997.9%−1%

40Union County, IAIA11,82997.8%−1%

41Cherokee County, IAIA11,36997.8%−1%

42Calhoun County, IAIA9,56297.6%−2%

43Montgomery County, IAIA10,00297.6%−2%

44Appanoose County, IAIA12,07797.5%−1%

45Warren County, IAIA57,33197.5%−2%

46Plymouth County, IAIA25,69797.4%−2%

47Floyd County, IAIA14,90197.4%−2%

48Winneshiek County, IAIA19,73397.4%−1%

49Greene County, IAIA8,65897.4%−2%

50Clay County, IAIA16,20297.3%−2%

51Osceola County, IAIA5,98097.3%−2%

52Worth County, IAIA7,33897.3%−2%

53Mills County, IAIA14,79397.2%−2%

54Marion County, IAIA34,19296.9%−2%

55Jasper County, IAIA38,15396.9%−2%

56Fayette County, IAIA19,04796.9%−2%

57Fremont County, IAIA6,52296.9%−2%

58O'Brien County, IAIA14,22096.8%−2%

59Mahaska County, IAIA21,88096.7%−2%

60Hancock County, IAIA10,52896.7%−2%

61Dubuque County, IAIA99,38196.5%−2%

62Winnebago County, IAIA10,25196.4%−2%

63Poweshiek County, IAIA18,36896.2%−2%

64Sioux County, IAIA36,77496.2%−3%

65Hardin County, IAIA16,45596.1%−2%

66Hamilton County, IAIA14,94496.1%−3%

67Jones County, IAIA21,25396.0%−2%

68Washington County, IAIA22,66796.0%−3%

69Decatur County, IAIA7,65595.5%−4%

70Taylor County, IAIA5,83595.3%−4%

71Allamakee County, IAIA14,23895.3%−4%

72Wapello County, IAIA35,21095.3%−3%

73Clinton County, IAIA46,00295.2%−3%

74Page County, IAIA14,85695.2%−4%

75Jefferson County, IAIA15,29194.7%−4%

76Clarke County, IAIA9,57494.7%−5%

77Cerro Gordo County, IAIA42,37294.7%−4%

78Emmet County, IAIA9,10794.5%−5%

79Pottawattamie County, IAIA92,99694.3%−4%

80Henry County, IAIA19,34994.2%−3%

81Wright County, IAIA12,80194.1%−5%

82Franklin County, IAIA9,86893.4%−6%

83Linn County, IAIA232,02893.1%−4%

84Lee County, IAIA32,30693.0%−3%

85Des Moines County, IAIA38,07792.8%−3%

86Dallas County, IAIA118,45792.4%−7%

87Webster County, IAIA36,83892.4%−5%

88Story County, IAIA101,29190.3%−3%

89Crawford County, IAIA16,23789.4%−9%

90Tama County, IAIA16,79689.2%−5%

91Johnson County, IAIA160,04488.8%−5%

92Marshall County, IAIA39,89088.1%−10%

93Black Hawk County, IAIA131,53287.7%−5%

94Scott County, IAIA175,25986.6%−6%

95Polk County, IAIA516,54686.4%−7%

96Louisa County, IAIA10,41686.4%−11%

97Muscatine County, IAIA41,85385.7%−10%

98Woodbury County, IAIA106,64983.6%−11%

99Buena Vista County, IAIA20,44982.1%−16%

SHOWING 1–99 OF 99

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