RANKING · 2024 ACS · 99 SHOWN OF 99

Largest Black population, Iowa counties

Iowa counties ranked by the number of residents who are Black or African American, from the 2024 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 118.

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 Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

RANKPLACESTATEPOPBLACK POPULATIONVS 1990

01Polk County, IAIA516,54636,704+156%

02Linn County, IAIA232,02813,514+322%

03Scott County, IAIA175,25912,341+60%

04Black Hawk County, IAIA131,53211,985+41%

05Johnson County, IAIA160,04411,930+499%

06Woodbury County, IAIA106,6495,179+168%

07Dallas County, IAIA118,4573,187+7143%

08Dubuque County, IAIA99,3812,890+870%

09Story County, IAIA101,2912,711+122%

10Des Moines County, IAIA38,0771,819+47%

11Pottawattamie County, IAIA92,9961,717+304%

12Clinton County, IAIA46,0021,434+107%

13Webster County, IAIA36,8381,201+79%

14Wapello County, IAIA35,2101,054+255%

15Muscatine County, IAIA41,853946+810%

16Cerro Gordo County, IAIA42,372813+129%

17Lee County, IAIA32,306786−32%

18Buena Vista County, IAIA20,449679+1641%

19Marshall County, IAIA39,890624+278%

20Plymouth County, IAIA25,697615+2829%

21Jasper County, IAIA38,153583+345%

22Jones County, IAIA21,253514+70%

23Henry County, IAIA19,349506+108%

24Jefferson County, IAIA15,291377+256%

25Warren County, IAIA57,331358+714%

26Boone County, IAIA26,799307+649%

27Bremer County, IAIA25,296281+285%

28Page County, IAIA14,856259+339%

29Allamakee County, IAIA14,238257+3571%

30Mahaska County, IAIA21,880247+366%

31O'Brien County, IAIA14,220240+5900%

32Washington County, IAIA22,667236+211%

33Sioux County, IAIA36,774214+873%

34Winnebago County, IAIA10,251211+779%

35Floyd County, IAIA14,901207–

36Jackson County, IAIA19,288189+2263%

37Montgomery County, IAIA10,002184–

38Hardin County, IAIA16,455180+29%

39Poweshiek County, IAIA18,368175+197%

40Calhoun County, IAIA9,562158+445%

41Tama County, IAIA16,796154+470%

42Fayette County, IAIA19,047153+233%

43Emmet County, IAIA9,107147+1533%

44Palo Alto County, IAIA8,899145+1015%

45Hamilton County, IAIA14,944144–

46Crawford County, IAIA16,237142+145%

47Marion County, IAIA34,192141+292%

48Madison County, IAIA17,270125+3025%

49Buchanan County, IAIA20,883124+143%

50Cass County, IAIA12,960118+1211%

51Cherokee County, IAIA11,369113+126%

52Clayton County, IAIA16,845108+1443%

53Adair County, IAIA7,403107–

54Benton County, IAIA26,004104+940%

55Kossuth County, IAIA14,322103–

56Decatur County, IAIA7,655100+567%

57Appanoose County, IAIA12,077100+33%

58Carroll County, IAIA20,30397+1113%

59Louisa County, IAIA10,41695+1%

60Union County, IAIA11,82993+221%

61Monroe County, IAIA7,40690+29%

62Winneshiek County, IAIA19,73381+376%

63Howard County, IAIA9,41579+888%

64Cedar County, IAIA18,35977+600%

65Grundy County, IAIA12,36171+689%

66Franklin County, IAIA9,86867–

67Chickasaw County, IAIA11,66364–

68Guthrie County, IAIA10,78260+500%

69Mills County, IAIA14,79359+490%

70Worth County, IAIA7,33859+638%

71Wright County, IAIA12,80156+1767%

72Iowa County, IAIA16,50454+500%

73Hancock County, IAIA10,52848–

74Pocahontas County, IAIA6,81947+2250%

75Clay County, IAIA16,20245+463%

76Sac County, IAIA9,52544+633%

77Lyon County, IAIA12,35443–

78Shelby County, IAIA11,68937+311%

79Mitchell County, IAIA10,65036+227%

80Humboldt County, IAIA9,40932+129%

81Van Buren County, IAIA7,13131+1450%

82Osceola County, IAIA5,98029+625%

83Audubon County, IAIA5,50928–

84Keokuk County, IAIA9,79726+1200%

85Lucas County, IAIA8,84725–

86Butler County, IAIA14,04924+140%

87Fremont County, IAIA6,52223+1050%

88Ida County, IAIA6,77721+950%

89Monona County, IAIA8,53921–

90Harrison County, IAIA14,62318+800%

91Ringgold County, IAIA4,64218–

92Delaware County, IAIA17,67413+225%

93Wayne County, IAIA6,73812–

94Adams County, IAIA3,61711+450%

95Taylor County, IAIA5,83510+400%

96Greene County, IAIA8,65810–

97Dickinson County, IAIA18,0776–

98Clarke County, IAIA9,5745–

99Davis County, IAIA9,2300−100%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES