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 (2010 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. The median across all 17 is 0.0%.

Dominican Americans: full group profile →

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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 –

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