RANKING · 2024 ACS · 20 SHOWN OF 20

Largest Chamorro population, Iowa counties

Iowa counties ranked by the number of residents who are Chamorro, 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 20 counties in Iowa that qualify, ranked against each other statewide.

Chamorro Americans: full group profile →

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SAME RANKING BYCities States Metros

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 2020

01Polk County, IAIA516,54680+90%

02Dubuque County, IAIA99,38166+53%

03Jasper County, IAIA38,15365+983%

04Scott County, IAIA175,25956+155%

05Story County, IAIA101,29127+200%

06Montgomery County, IAIA10,00224–

07Webster County, IAIA36,83824–

08Audubon County, IAIA5,50914+1300%

09Bremer County, IAIA25,29613–

10Floyd County, IAIA14,90110−90%

11Warren County, IAIA57,3317−13%

12Johnson County, IAIA160,0446−71%

13Lyon County, IAIA12,3544−56%

14Mahaska County, IAIA21,8804+100%

15Sac County, IAIA9,5253–

16O'Brien County, IAIA14,2202–

17Des Moines County, IAIA38,0771−50%

18Decatur County, IAIA7,6551+0%

19Benton County, IAIA26,0041–

20Fayette County, IAIA19,0471+0%

SHOWING 1–20 OF 20

Download CSV (full list, 20 rows)

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