RANKING · 2024 ACS · 32 SHOWN OF 32

Highest Jamaican population share, Iowa counties

Iowa counties ranked by the share of all residents who are Jamaican ancestry (2024 American Community Survey). A concentration measure: Jamaican residents as a percentage of total population. 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 SHAREVS 2010

01Monroe County, IAIA7,4061.1%–

02Decatur County, IAIA7,6550.4%+0.3 pts

03Clay County, IAIA16,2020.2%–

04Scott County, IAIA175,2590.2%+0.2 pts

05Delaware County, IAIA17,6740.2%–

06Linn County, IAIA232,0280.1%+0.1 pts

07Wayne County, IAIA6,7380.1%–

08Polk County, IAIA516,5460.1%+0.1 pts

09Buena Vista County, IAIA20,4490.1%–

10Henry County, IAIA19,3490.1%–

11Bremer County, IAIA25,2960.1%–

12Mahaska County, IAIA21,8800.1%–

13Cedar County, IAIA18,3590.1%–

14Clinton County, IAIA46,0020.1%–

15Black Hawk County, IAIA131,5320.1%+0.0 pts

16Johnson County, IAIA160,0440.1%−0.0 pts

17Poweshiek County, IAIA18,3680.1%–

18Taylor County, IAIA5,8350.1%–

19Calhoun County, IAIA9,5620.1%–

20Boone County, IAIA26,7990.0%−0.1 pts

21Marion County, IAIA34,1920.0%–

22Warren County, IAIA57,3310.0%–

23Webster County, IAIA36,8380.0%+0.0 pts

24Des Moines County, IAIA38,0770.0%–

25Story County, IAIA101,2910.0%–

26Pottawattamie County, IAIA92,9960.0%–

27Woodbury County, IAIA106,6490.0%+0.0 pts

28Buchanan County, IAIA20,8830.0%–

29Shelby County, IAIA11,6890.0%–

30Allamakee County, IAIA14,2380.0%–

31Dubuque County, IAIA99,3810.0%−0.0 pts

32Jasper County, IAIA38,1530.0%+0.0 pts

SHOWING 1–32 OF 32

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES