RANKING · 2010 CENSUS · 58 SHOWN OF 58

Highest Puerto Rican population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Puerto Rican origin (2010 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 58 counties in Iowa that qualify, ranked against each other statewide. The median across all 58 is 0.1%.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS –

01Crawford County, IAIA16,2370.6%–

02Marion County, IAIA34,1920.6%–

03Muscatine County, IAIA41,8530.6%–

04Cerro Gordo County, IAIA42,3720.6%–

05Buena Vista County, IAIA20,4490.6%–

06Johnson County, IAIA160,0440.5%–

07Grundy County, IAIA12,3610.4%–

08Franklin County, IAIA9,8680.3%–

09Calhoun County, IAIA9,5620.3%–

10Story County, IAIA101,2910.3%–

11Hardin County, IAIA16,4550.3%–

12Woodbury County, IAIA106,6490.3%–

13Marshall County, IAIA39,8900.2%–

14Wright County, IAIA12,8010.2%–

15Louisa County, IAIA10,4160.2%–

16Jackson County, IAIA19,2880.2%–

17Ida County, IAIA6,7770.2%–

18Clayton County, IAIA16,8450.2%–

19Clay County, IAIA16,2020.2%–

20Dubuque County, IAIA99,3810.2%–

21Black Hawk County, IAIA131,5320.2%–

22Linn County, IAIA232,0280.2%–

23Winneshiek County, IAIA19,7330.1%–

24Allamakee County, IAIA14,2380.1%–

25Scott County, IAIA175,2590.1%–

26Union County, IAIA11,8290.1%–

27Dickinson County, IAIA18,0770.1%–

28Webster County, IAIA36,8380.1%–

29Page County, IAIA14,8560.1%–

30Des Moines County, IAIA38,0770.1%–

31Plymouth County, IAIA25,6970.1%–

32Polk County, IAIA516,5460.1%–

33Buchanan County, IAIA20,8830.1%–

34Chickasaw County, IAIA11,6630.1%–

35Palo Alto County, IAIA8,8990.1%–

36Iowa County, IAIA16,5040.1%–

37Tama County, IAIA16,7960.1%–

38Jones County, IAIA21,2530.1%–

39Lee County, IAIA32,3060.1%–

40Washington County, IAIA22,6670.1%–

41Henry County, IAIA19,3490.1%–

42Van Buren County, IAIA7,1310.1%–

43Jasper County, IAIA38,1530.1%–

44Mills County, IAIA14,7930.1%–

45Wapello County, IAIA35,2100.1%–

46Fremont County, IAIA6,5220.1%–

47Pottawattamie County, IAIA92,9960.1%–

48Mahaska County, IAIA21,8800.1%–

49Bremer County, IAIA25,2960.0%–

50Warren County, IAIA57,3310.0%–

51Worth County, IAIA7,3380.0%–

52Cedar County, IAIA18,3590.0%–

53Carroll County, IAIA20,3030.0%–

54Clinton County, IAIA46,0020.0%–

55Kossuth County, IAIA14,3220.0%–

56Decatur County, IAIA7,6550.0%–

57Monona County, IAIA8,5390.0%–

58Benton County, IAIA26,0040.0%–

SHOWING 1–58 OF 58

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS