RANKING · 2010 CENSUS · 37 SHOWN OF 37

Highest Cuban population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Cuban origin (2023 American Community Survey). A concentration measure: Cuban residents as a percentage of total population. This list covers the 37 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPCUBAN SHAREVS 2000

01Mills County, IAIA14,7930.5%–

02Winnebago County, IAIA10,2510.2%–

03Marion County, IAIA34,1920.2%–

04Lee County, IAIA32,3060.2%–

05Taylor County, IAIA5,8350.2%–

06Buena Vista County, IAIA20,4490.2%–

07Pottawattamie County, IAIA92,9960.2%–

08Plymouth County, IAIA25,6970.1%–

09Washington County, IAIA22,6670.1%–

10Appanoose County, IAIA12,0770.1%–

11Wapello County, IAIA35,2100.1%–

12Jones County, IAIA21,2530.1%–

13Louisa County, IAIA10,4160.1%–

14Warren County, IAIA57,3310.1%–

15Union County, IAIA11,8290.1%–

16Johnson County, IAIA160,0440.1%–

17Story County, IAIA101,2910.1%–

18Clinton County, IAIA46,0020.1%–

19Poweshiek County, IAIA18,3680.1%–

20Montgomery County, IAIA10,0020.1%–

21Bremer County, IAIA25,2960.1%–

22Fayette County, IAIA19,0470.1%–

23Winneshiek County, IAIA19,7330.1%–

24Humboldt County, IAIA9,4090.1%–

25Dubuque County, IAIA99,3810.0%–

26Polk County, IAIA516,5460.0%–

27Lyon County, IAIA12,3540.0%–

28Jackson County, IAIA19,2880.0%–

29Sac County, IAIA9,5250.0%–

30Linn County, IAIA232,0280.0%–

31Sioux County, IAIA36,7740.0%–

32Woodbury County, IAIA106,6490.0%–

33Scott County, IAIA175,2590.0%–

34Marshall County, IAIA39,8900.0%–

35Carroll County, IAIA20,3030.0%–

36Mitchell County, IAIA10,6500.0%–

37Black Hawk County, IAIA131,5320.0%–

SHOWING 1–37 OF 37

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