RANKING · 2024 ACS · 20 SHOWN OF 20

Highest Chamorro population share, Iowa counties

Iowa counties ranked by the share of all residents who are Chamorro (2023 American Community Survey). A concentration measure: Chamorro residents as a percentage of total population. This list covers the 20 counties in Iowa that qualify, ranked against each other statewide.

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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

Highest Chamorro population share by state

RANKPLACESTATEPOPCHAMORRO SHAREVS 2000

01Audubon County, IAIA5,5090.3%–

02Montgomery County, IAIA10,0020.2%–

03Jasper County, IAIA38,1530.2%–

04Dubuque County, IAIA99,3810.1%–

05Floyd County, IAIA14,9010.1%–

06Webster County, IAIA36,8380.1%–

07Bremer County, IAIA25,2960.1%–

08Lyon County, IAIA12,3540.0%–

09Scott County, IAIA175,2590.0%–

10Sac County, IAIA9,5250.0%–

11Story County, IAIA101,2910.0%–

12Mahaska County, IAIA21,8800.0%–

13Polk County, IAIA516,5460.0%–

14O'Brien County, IAIA14,2200.0%–

15Decatur County, IAIA7,6550.0%–

16Warren County, IAIA57,3310.0%–

17Fayette County, IAIA19,0470.0%–

18Benton County, IAIA26,0040.0%–

19Johnson County, IAIA160,0440.0%–

20Des Moines County, IAIA38,0770.0%–

SHOWING 1–20 OF 20

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