RANKING · 2024 ACS · 22 SHOWN OF 22

Largest Iranian population, Iowa counties

Iowa counties ranked by the number of residents who are Iranian ancestry, 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 22 counties in Iowa that qualify, ranked against each other statewide. The median across all 22 is 13. Biggest climber in the top 100 since 2020: Poweshiek County, IA, up 8 places to #11.

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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

RANKPLACESTATEPOPIRANIAN POPULATIONVS 2010

01▲2Story County, IAIA101,291318+715%

02▼1Johnson County, IAIA160,044249−7%

03▼1Black Hawk County, IAIA131,53297+177%

04▲2Polk County, IAIA516,54688+24%

05▲6Linn County, IAIA232,02879−28%

06▼2Scott County, IAIA175,25977−44%

07Dallas County, IAIA118,45759–

08▼3Dubuque County, IAIA99,38133–

09▼1Mahaska County, IAIA21,88025–

10Clinton County, IAIA46,00214–

11▲8Poweshiek County, IAIA18,36813–

12▼3Pottawattamie County, IAIA92,99612+20%

13Dickinson County, IAIA18,07710–

14Calhoun County, IAIA9,5625–

15Jasper County, IAIA38,1535–

16Marion County, IAIA34,1925–

17Allamakee County, IAIA14,2383−80%

18Benton County, IAIA26,0043–

19▼1Crawford County, IAIA16,2373–

20Clayton County, IAIA16,8452–

21Delaware County, IAIA17,6742–

22▼15Appanoose County, IAIA12,0771–

SHOWING 1–22 OF 22

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES