RANKING · 2010 CENSUS · 20 SHOWN OF 20

Highest Brazilian population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Brazilian ancestry (2010 American Community Survey). A concentration measure: Brazilian residents as a percentage of total population. This list covers the 20 counties in Iowa that qualify, ranked against each other statewide. The median across all 20 is 0.0%.

Brazilian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Brazilian population share by state

RANKPLACESTATEPOPBRAZILIAN SHAREVS –

01Cherokee County, IAIA11,3690.2%–

02Muscatine County, IAIA41,8530.2%–

03Warren County, IAIA57,3310.2%–

04Marshall County, IAIA39,8900.1%–

05Poweshiek County, IAIA18,3680.1%–

06Scott County, IAIA175,2590.1%–

07Woodbury County, IAIA106,6490.1%–

08Washington County, IAIA22,6670.1%–

09Johnson County, IAIA160,0440.0%–

10Wapello County, IAIA35,2100.0%–

11Madison County, IAIA17,2700.0%–

12Louisa County, IAIA10,4160.0%–

13Clinton County, IAIA46,0020.0%–

14Boone County, IAIA26,7990.0%–

15Black Hawk County, IAIA131,5320.0%–

16Story County, IAIA101,2910.0%–

17Cerro Gordo County, IAIA42,3720.0%–

18Carroll County, IAIA20,3030.0%–

19Polk County, IAIA516,5460.0%–

20Linn County, IAIA232,0280.0%–

SHOWING 1–20 OF 20

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