RANKING · 2024 ACS · 66 SHOWN OF 66

Largest Korean population, Iowa counties

Iowa counties ranked by the number of residents who are Korean, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 66 counties in Iowa that qualify, ranked against each other statewide.

Korean Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPKOREAN POPULATIONVS 2020

01Polk County, IAIA516,5461,214+80%

02Story County, IAIA101,2911,059+39%

03Johnson County, IAIA160,0441,053−24%

04Scott County, IAIA175,259517+28%

05Black Hawk County, IAIA131,532398+0%

06Linn County, IAIA232,028350−18%

07Dallas County, IAIA118,457271−22%

08Webster County, IAIA36,838180+18%

09Poweshiek County, IAIA18,368135+44%

10Woodbury County, IAIA106,649100−15%

11Pottawattamie County, IAIA92,99694+224%

12Marion County, IAIA34,19288−32%

13Clay County, IAIA16,20273+49%

14Union County, IAIA11,82968+656%

15Clinton County, IAIA46,00268+518%

16Dubuque County, IAIA99,38160−19%

17Shelby County, IAIA11,68956–

18Warren County, IAIA57,33146−32%

19Humboldt County, IAIA9,40944−2%

20Kossuth County, IAIA14,32242+121%

21Bremer County, IAIA25,29640+90%

22Decatur County, IAIA7,65539+63%

23Buena Vista County, IAIA20,44936+3%

24Butler County, IAIA14,04936+300%

25Benton County, IAIA26,00433+313%

26Cerro Gordo County, IAIA42,37230−75%

27Harrison County, IAIA14,62330+900%

28Appanoose County, IAIA12,07727+69%

29Guthrie County, IAIA10,78223–

30Madison County, IAIA17,27023+64%

31Marshall County, IAIA39,89023+92%

32Carroll County, IAIA20,30322−57%

33Sioux County, IAIA36,77422+633%

34Cedar County, IAIA18,35921−59%

35Muscatine County, IAIA41,85320−70%

36Mitchell County, IAIA10,65019+27%

37Des Moines County, IAIA38,07718+0%

38Greene County, IAIA8,65818+260%

39Mahaska County, IAIA21,88018+500%

40Sac County, IAIA9,52516−45%

41Ida County, IAIA6,77715–

42Washington County, IAIA22,66715+150%

43Dickinson County, IAIA18,07714+1300%

44Hardin County, IAIA16,45514−30%

45Tama County, IAIA16,79614–

46Lee County, IAIA32,30613−85%

47Floyd County, IAIA14,90112−69%

48Wright County, IAIA12,80111–

49Howard County, IAIA9,41510–

50Mills County, IAIA14,7938−11%

51Lyon County, IAIA12,3547+133%

52O'Brien County, IAIA14,2207+600%

53Grundy County, IAIA12,3616+100%

54Emmet County, IAIA9,1075–

55Fayette County, IAIA19,0475+0%

56Franklin County, IAIA9,8685–

57Osceola County, IAIA5,9805–

58Page County, IAIA14,8565−50%

59Winnebago County, IAIA10,2515+25%

60Audubon County, IAIA5,5093+50%

61Calhoun County, IAIA9,5622−50%

62Davis County, IAIA9,2301−91%

63Henry County, IAIA19,3491−98%

64Jasper County, IAIA38,1531−93%

65Van Buren County, IAIA7,1311–

66Winneshiek County, IAIA19,7331−99%

SHOWING 1–66 OF 66

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES