RANKING · 2024 ACS · 84 SHOWN OF 84

Highest Puerto Rican population share, Iowa counties

Iowa counties ranked by the share of all residents who are Puerto Rican origin (2023 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 84 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

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 2000

01O'Brien County, IAIA14,2201.5%–

02Mitchell County, IAIA10,6500.8%–

03Pocahontas County, IAIA6,8190.7%–

04Henry County, IAIA19,3490.6%–

05Polk County, IAIA516,5460.6%–

06Ringgold County, IAIA4,6420.6%–

07Allamakee County, IAIA14,2380.6%–

08Hamilton County, IAIA14,9440.6%–

09Shelby County, IAIA11,6890.6%–

10Clinton County, IAIA46,0020.6%–

11Muscatine County, IAIA41,8530.5%–

12Winnebago County, IAIA10,2510.5%–

13Johnson County, IAIA160,0440.5%–

14Jasper County, IAIA38,1530.5%–

15Mills County, IAIA14,7930.5%–

16Jefferson County, IAIA15,2910.5%–

17Tama County, IAIA16,7960.5%–

18Des Moines County, IAIA38,0770.4%–

19Dubuque County, IAIA99,3810.4%–

20Hardin County, IAIA16,4550.4%–

21Marshall County, IAIA39,8900.4%–

22Warren County, IAIA57,3310.4%–

23Story County, IAIA101,2910.4%–

24Cerro Gordo County, IAIA42,3720.4%–

25Black Hawk County, IAIA131,5320.4%–

26Bremer County, IAIA25,2960.4%–

27Woodbury County, IAIA106,6490.3%–

28Linn County, IAIA232,0280.3%–

29Mahaska County, IAIA21,8800.3%–

30Webster County, IAIA36,8380.3%–

31Washington County, IAIA22,6670.3%–

32Marion County, IAIA34,1920.3%–

33Sac County, IAIA9,5250.3%–

34Scott County, IAIA175,2590.3%–

35Worth County, IAIA7,3380.3%–

36Harrison County, IAIA14,6230.3%–

37Sioux County, IAIA36,7740.3%–

38Wapello County, IAIA35,2100.3%–

39Greene County, IAIA8,6580.2%–

40Appanoose County, IAIA12,0770.2%–

41Decatur County, IAIA7,6550.2%–

42Emmet County, IAIA9,1070.2%–

43Fayette County, IAIA19,0470.2%–

44Plymouth County, IAIA25,6970.2%–

45Franklin County, IAIA9,8680.2%–

46Poweshiek County, IAIA18,3680.2%–

47Floyd County, IAIA14,9010.2%–

48Wright County, IAIA12,8010.2%–

49Pottawattamie County, IAIA92,9960.2%–

50Jones County, IAIA21,2530.2%–

51Hancock County, IAIA10,5280.2%–

52Grundy County, IAIA12,3610.2%–

53Carroll County, IAIA20,3030.2%–

54Madison County, IAIA17,2700.1%–

55Dickinson County, IAIA18,0770.1%–

56Dallas County, IAIA118,4570.1%–

57Iowa County, IAIA16,5040.1%–

58Benton County, IAIA26,0040.1%–

59Louisa County, IAIA10,4160.1%–

60Chickasaw County, IAIA11,6630.1%–

61Buena Vista County, IAIA20,4490.1%–

62Monona County, IAIA8,5390.1%–

63Fremont County, IAIA6,5220.1%–

64Boone County, IAIA26,7990.1%–

65Clayton County, IAIA16,8450.1%–

66Clay County, IAIA16,2020.1%–

67Lyon County, IAIA12,3540.1%–

68Guthrie County, IAIA10,7820.1%–

69Delaware County, IAIA17,6740.1%–

70Keokuk County, IAIA9,7970.1%–

71Osceola County, IAIA5,9800.0%–

72Page County, IAIA14,8560.0%–

73Ida County, IAIA6,7770.0%–

74Cherokee County, IAIA11,3690.0%–

75Calhoun County, IAIA9,5620.0%–

76Lee County, IAIA32,3060.0%–

77Palo Alto County, IAIA8,8990.0%–

78Buchanan County, IAIA20,8830.0%–

79Jackson County, IAIA19,2880.0%–

80Cass County, IAIA12,9600.0%–

81Kossuth County, IAIA14,3220.0%–

82Adair County, IAIA7,4030.0%–

83Cedar County, IAIA18,3590.0%–

84Union County, IAIA11,8290.0%–

SHOWING 1–84 OF 84

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