RANKING · 2010 CENSUS · 17 SHOWN OF 17

Highest Jamaican population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Jamaican ancestry (2023 American Community Survey). A concentration measure: Jamaican 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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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 2000

01Boone County, IAIA26,7990.2%–

02Dallas County, IAIA118,4570.2%–

03Decatur County, IAIA7,6550.1%–

04Davis County, IAIA9,2300.1%–

05Muscatine County, IAIA41,8530.1%–

06Johnson County, IAIA160,0440.1%–

07Black Hawk County, IAIA131,5320.1%–

08Polk County, IAIA516,5460.1%–

09Jones County, IAIA21,2530.0%–

10Cerro Gordo County, IAIA42,3720.0%–

11Emmet County, IAIA9,1070.0%–

12Webster County, IAIA36,8380.0%–

13Dubuque County, IAIA99,3810.0%–

14Woodbury County, IAIA106,6490.0%–

15Scott County, IAIA175,2590.0%–

16Linn County, IAIA232,0280.0%–

17Jasper County, IAIA38,1530.0%–

SHOWING 1–17 OF 17

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