RANKING · 2024 ACS · 32 SHOWN OF 32

Largest Jamaican population, Iowa counties

Iowa counties ranked by the number of residents who are Jamaican 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 32 counties in Iowa that qualify, ranked against each other statewide.

Jamaican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPJAMAICAN POPULATIONVS 2010

01Polk County, IAIA516,546653+142%

02Scott County, IAIA175,259360+2900%

03Linn County, IAIA232,028329+2250%

04Johnson County, IAIA160,044107−4%

05Black Hawk County, IAIA131,53290+3%

06Monroe County, IAIA7,40680–

07Clay County, IAIA16,20236–

08Decatur County, IAIA7,65533+200%

09Clinton County, IAIA46,00233–

10Delaware County, IAIA17,67430–

11Bremer County, IAIA25,29627–

12Warren County, IAIA57,33124–

13Buena Vista County, IAIA20,44923–

14Henry County, IAIA19,34922–

15Story County, IAIA101,29119–

16Mahaska County, IAIA21,88018–

17Pottawattamie County, IAIA92,99615–

18Marion County, IAIA34,19215–

19Cedar County, IAIA18,35914–

20Webster County, IAIA36,83814+133%

21Woodbury County, IAIA106,64913+44%

22Poweshiek County, IAIA18,36812–

23Boone County, IAIA26,79912−75%

24Wayne County, IAIA6,7389–

25Des Moines County, IAIA38,0778–

26Dubuque County, IAIA99,3816−33%

27Calhoun County, IAIA9,5625–

28Taylor County, IAIA5,8353–

29Buchanan County, IAIA20,8832–

30Jasper County, IAIA38,1532+100%

31Allamakee County, IAIA14,2381–

32Shelby County, IAIA11,6891–

SHOWING 1–32 OF 32

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES