RANKING · 2020 CENSUS · 45 SHOWN OF 45

Largest Native Hawaiian population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Native Hawaiian, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 45 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDHighest Native Hawaiian population share Largest Samoan population Highest Samoan population share Largest Tongan population Highest Tongan population share Largest Chamorro population

RANKPLACESTATEPOPNATIVE HAWAIIAN POPULATIONVS 2000

01Polk County, IAIA516,546278–

02Black Hawk County, IAIA131,532255–

03Woodbury County, IAIA106,649235–

04Warren County, IAIA57,331217–

05Dallas County, IAIA118,457191–

06Linn County, IAIA232,028175–

07Scott County, IAIA175,259123–

08Johnson County, IAIA160,044113–

09Cerro Gordo County, IAIA42,37264–

10Buena Vista County, IAIA20,44950–

11Lee County, IAIA32,30647–

12Wapello County, IAIA35,21043–

13Dubuque County, IAIA99,38142–

14Lyon County, IAIA12,35437–

15Monona County, IAIA8,53936–

16Muscatine County, IAIA41,85335–

17Crawford County, IAIA16,23732–

18Grundy County, IAIA12,36132–

19Henry County, IAIA19,34927–

20Pottawattamie County, IAIA92,99621–

21Cedar County, IAIA18,35920–

22Cass County, IAIA12,96017–

23Des Moines County, IAIA38,07717–

24Marshall County, IAIA39,89015–

25Madison County, IAIA17,27015–

26Marion County, IAIA34,19214–

27Clinton County, IAIA46,00213–

28Butler County, IAIA14,04912–

29Page County, IAIA14,85610–

30Pocahontas County, IAIA6,8199–

31Union County, IAIA11,8298–

32Mahaska County, IAIA21,8807–

33Guthrie County, IAIA10,7825–

34Plymouth County, IAIA25,6975–

35Webster County, IAIA36,8384–

36O'Brien County, IAIA14,2204–

37Winnebago County, IAIA10,2514–

38Floyd County, IAIA14,9013–

39Mills County, IAIA14,7933–

40Osceola County, IAIA5,9803–

41Washington County, IAIA22,6673–

42Hardin County, IAIA16,4552–

43Keokuk County, IAIA9,7972–

44Poweshiek County, IAIA18,3682–

45Calhoun County, IAIA9,5621–

SHOWING 1–45 OF 45

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES