RANKING · 2010 CENSUS · 61 SHOWN OF 61

Largest Subsaharan African population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Subsaharan African ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 61 counties in Iowa that qualify, ranked against each other statewide. The median across all 61 is 53.

Subsaharan African Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSUBSAHARAN AFRICAN POPULATIONVS –

01Polk County, IAIA516,5463,711–

02Johnson County, IAIA160,0441,446–

03Black Hawk County, IAIA131,5321,007–

04Story County, IAIA101,291997–

05Linn County, IAIA232,028952–

06Scott County, IAIA175,259935–

07Woodbury County, IAIA106,649877–

08Webster County, IAIA36,838822–

09Des Moines County, IAIA38,077781–

10Clinton County, IAIA46,002311–

11Sioux County, IAIA36,774254–

12Buena Vista County, IAIA20,449240–

13Lee County, IAIA32,306237–

14Dubuque County, IAIA99,381233–

15Dallas County, IAIA118,457198–

16Boone County, IAIA26,799189–

17Marshall County, IAIA39,890178–

18Wapello County, IAIA35,210159–

19Cerro Gordo County, IAIA42,372141–

20Pottawattamie County, IAIA92,996141–

21Jones County, IAIA21,253131–

22Jefferson County, IAIA15,291108–

23Winneshiek County, IAIA19,733101–

24Mahaska County, IAIA21,88099–

25Muscatine County, IAIA41,85399–

26Hardin County, IAIA16,45595–

27Jasper County, IAIA38,15371–

28Clayton County, IAIA16,84570–

29Montgomery County, IAIA10,00261–

30Dickinson County, IAIA18,07753–

31Poweshiek County, IAIA18,36853–

32Marion County, IAIA34,19249–

33Crawford County, IAIA16,23748–

34Iowa County, IAIA16,50440–

35Warren County, IAIA57,33139–

36Floyd County, IAIA14,90135–

37Henry County, IAIA19,34932–

38Harrison County, IAIA14,62331–

39Taylor County, IAIA5,83528–

40Calhoun County, IAIA9,56226–

41Emmet County, IAIA9,10726–

42Winnebago County, IAIA10,25126–

43Fayette County, IAIA19,04725–

44Tama County, IAIA16,79617–

45Louisa County, IAIA10,41616–

46Ida County, IAIA6,77715–

47Benton County, IAIA26,00414–

48Butler County, IAIA14,04914–

49Buchanan County, IAIA20,88312–

50Chickasaw County, IAIA11,66312–

51Mills County, IAIA14,79311–

52Kossuth County, IAIA14,32210–

53Union County, IAIA11,82910–

54Cass County, IAIA12,9609–

55Grundy County, IAIA12,3619–

56Osceola County, IAIA5,9806–

57Washington County, IAIA22,6676–

58Worth County, IAIA7,3385–

59Lyon County, IAIA12,3543–

60Plymouth County, IAIA25,6973–

61Hamilton County, IAIA14,9442–

SHOWING 1–61 OF 61

Download CSV (full list, 61 rows)

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