RANKING · 2020 CENSUS · 27 SHOWN OF 27

Largest Chamorro population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Chamorro, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 27 counties in Iowa that qualify, ranked against each other statewide. The median across all 27 is 9.

Chamorro Americans: full group profile →

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RELATEDLargest Native Hawaiian population Highest Native Hawaiian population share Largest Samoan population Highest Samoan population share Largest Tongan population Highest Tongan population share

RANKPLACESTATEPOPCHAMORRO POPULATIONVS –

01Floyd County, IAIA14,901105–

02Woodbury County, IAIA106,64993–

03Boone County, IAIA26,79967–

04Linn County, IAIA232,02867–

05Black Hawk County, IAIA131,53256–

06Dubuque County, IAIA99,38143–

07Polk County, IAIA516,54642–

08Buchanan County, IAIA20,88341–

09Scott County, IAIA175,25922–

10Johnson County, IAIA160,04421–

11Page County, IAIA14,85619–

12Henry County, IAIA19,34917–

13Muscatine County, IAIA41,85312–

14Lyon County, IAIA12,3549–

15Story County, IAIA101,2919–

16Warren County, IAIA57,3318–

17Jasper County, IAIA38,1536–

18Sioux County, IAIA36,7746–

19Cerro Gordo County, IAIA42,3724–

20Guthrie County, IAIA10,7823–

21Des Moines County, IAIA38,0772–

22Keokuk County, IAIA9,7972–

23Mahaska County, IAIA21,8802–

24Decatur County, IAIA7,6551–

25Audubon County, IAIA5,5091–

26Fayette County, IAIA19,0471–

27Kossuth County, IAIA14,3221–

SHOWING 1–27 OF 27

Download CSV (full list, 27 rows)

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