RANKING · 1990 CENSUS · 99 SHOWN OF 99

Largest White (non-Hispanic) population, Iowa counties · 1990

Iowa counties ranked by the number of residents who are White, not Hispanic or Latino, from the 1990 American Community Survey (table B03002). Each list covers the full eligible universe; download the complete data as CSV. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 15,670.

IowaAll states All rankings

SAME RANKING BYCities States Metros

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

RANKPLACESTATEPOPWHITE (NON-HISPANIC) POPULATIONVS –

01Polk County, IAIA516,546299,744–

02Linn County, IAIA232,028162,391–

03Scott County, IAIA175,259137,191–

04Black Hawk County, IAIA131,532113,145–

05Woodbury County, IAIA106,64990,934–

06Johnson County, IAIA160,04489,109–

07Dubuque County, IAIA99,38185,140–

08Pottawattamie County, IAIA92,99680,339–

09Story County, IAIA101,29168,869–

10Clinton County, IAIA46,00249,827–

11Cerro Gordo County, IAIA42,37245,317–

12Des Moines County, IAIA38,07740,661–

13Webster County, IAIA36,83838,941–

14Marshall County, IAIA39,89037,312–

15Lee County, IAIA32,30636,672–

16Muscatine County, IAIA41,85336,612–

17Warren County, IAIA57,33135,562–

18Wapello County, IAIA35,21034,856–

19Jasper County, IAIA38,15334,272–

20Sioux County, IAIA36,77429,533–

21Marion County, IAIA34,19229,491–

22Dallas County, IAIA118,45729,433–

23Boone County, IAIA26,79924,940–

24Plymouth County, IAIA25,69723,280–

25Bremer County, IAIA25,29622,550–

26Benton County, IAIA26,00422,266–

27Fayette County, IAIA19,04721,500–

28Carroll County, IAIA20,30321,324–

29Mahaska County, IAIA21,88021,209–

30Buchanan County, IAIA20,88320,667–

31Winneshiek County, IAIA19,73320,575–

32Jackson County, IAIA19,28819,850–

33Buena Vista County, IAIA20,44919,417–

34Washington County, IAIA22,66719,326–

35Jones County, IAIA21,25318,991–

36Clayton County, IAIA16,84518,946–

37Hardin County, IAIA16,45518,772–

38Poweshiek County, IAIA18,36818,732–

39Henry County, IAIA19,34918,620–

40Kossuth County, IAIA14,32218,487–

41Delaware County, IAIA17,67417,889–

42Clay County, IAIA16,20217,448–

43Cedar County, IAIA18,35917,199–

44Floyd County, IAIA14,90116,891–

45Page County, IAIA14,85616,595–

46Crawford County, IAIA16,23716,455–

47Tama County, IAIA16,79616,373–

48Jefferson County, IAIA15,29115,923–

49Hamilton County, IAIA14,94415,844–

50Butler County, IAIA14,04915,670–

51O'Brien County, IAIA14,22015,304–

52Cass County, IAIA12,96015,006–

53Dickinson County, IAIA18,07714,803–

54Harrison County, IAIA14,62314,619–

55Iowa County, IAIA16,50414,560–

56Wright County, IAIA12,80114,101–

57Cherokee County, IAIA11,36913,918–

58Allamakee County, IAIA14,23813,805–

59Appanoose County, IAIA12,07713,548–

60Chickasaw County, IAIA11,66313,258–

61Shelby County, IAIA11,68913,113–

62Mills County, IAIA14,79313,106–

63Union County, IAIA11,82912,613–

64Hancock County, IAIA10,52812,497–

65Madison County, IAIA17,27012,391–

66Sac County, IAIA9,52512,235–

67Montgomery County, IAIA10,00212,044–

68Grundy County, IAIA12,36111,965–

69Lyon County, IAIA12,35411,890–

70Winnebago County, IAIA10,25111,838–

71Keokuk County, IAIA9,79711,542–

72Emmet County, IAIA9,10711,487–

73Calhoun County, IAIA9,56211,396–

74Franklin County, IAIA9,86811,247–

75Louisa County, IAIA10,41611,110–

76Guthrie County, IAIA10,78210,877–

77Mitchell County, IAIA10,65010,845–

78Humboldt County, IAIA9,40910,704–

79Palo Alto County, IAIA8,89910,610–

80Greene County, IAIA8,6589,950–

81Monona County, IAIA8,5399,949–

82Howard County, IAIA9,4159,762–

83Pocahontas County, IAIA6,8199,453–

84Lucas County, IAIA8,8478,975–

85Adair County, IAIA7,4038,352–

86Ida County, IAIA6,7778,306–

87Davis County, IAIA9,2308,252–

88Decatur County, IAIA7,6558,226–

89Clarke County, IAIA9,5748,218–

90Fremont County, IAIA6,5228,113–

91Monroe County, IAIA7,4067,966–

92Worth County, IAIA7,3387,890–

93Van Buren County, IAIA7,1317,649–

94Audubon County, IAIA5,5097,303–

95Osceola County, IAIA5,9807,211–

96Wayne County, IAIA6,7387,035–

97Taylor County, IAIA5,8357,034–

98Ringgold County, IAIA4,6425,364–

99Adams County, IAIA3,6174,836–

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS