RANKING · 2010 CENSUS · 17 SHOWN OF 17

Highest Dominican population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Dominican origin (2023 American Community Survey). A concentration measure: Dominican residents as a percentage of total population. This list covers the 17 counties in Iowa that qualify, ranked against each other statewide.

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPDOMINICAN SHAREVS 2000

01Floyd County, IAIA14,9010.1%–

02Hardin County, IAIA16,4550.1%–

03Chickasaw County, IAIA11,6630.1%–

04Buena Vista County, IAIA20,4490.1%–

05Butler County, IAIA14,0490.1%–

06Wapello County, IAIA35,2100.1%–

07Worth County, IAIA7,3380.0%–

08Story County, IAIA101,2910.0%–

09Shelby County, IAIA11,6890.0%–

10Dubuque County, IAIA99,3810.0%–

11Dallas County, IAIA118,4570.0%–

12Woodbury County, IAIA106,6490.0%–

13Johnson County, IAIA160,0440.0%–

14Polk County, IAIA516,5460.0%–

15Kossuth County, IAIA14,3220.0%–

16Scott County, IAIA175,2590.0%–

17Clinton County, IAIA46,0020.0%–

SHOWING 1–17 OF 17

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