RANKING · 2020 CENSUS · 83 SHOWN OF 83

Largest Central American population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Central American origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 83 counties in Iowa that qualify, ranked against each other statewide. The median across all 83 is 51.

Central Americans: full group profile →

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

YEAR2010 2020 2024

RANKPLACESTATEPOPCENTRAL AMERICAN POPULATIONVS 2010

01Polk County, IAIA516,5464,451+46%

02Woodbury County, IAIA106,6491,960+12%

03Johnson County, IAIA160,0441,436+75%

04Dallas County, IAIA118,4571,073+30%

05Crawford County, IAIA16,237953+60%

06Buena Vista County, IAIA20,449894+75%

07Muscatine County, IAIA41,853864+63%

08Black Hawk County, IAIA131,532764+46%

09Wapello County, IAIA35,210618−4%

10Linn County, IAIA232,028499+593%

11Dubuque County, IAIA99,381460+654%

12Scott County, IAIA175,259408+110%

13Pottawattamie County, IAIA92,996344−36%

14Plymouth County, IAIA25,697261+904%

15Emmet County, IAIA9,107239+15%

16Sioux County, IAIA36,774231+62%

17Allamakee County, IAIA14,238229−23%

18Wright County, IAIA12,801218+3533%

19Marshall County, IAIA39,890205+21%

20Story County, IAIA101,291182−20%

21Taylor County, IAIA5,835161+496%

22Washington County, IAIA22,667149+99%

23Pocahontas County, IAIA6,819123+925%

24Henry County, IAIA19,349113+24%

25Osceola County, IAIA5,98094+840%

26Humboldt County, IAIA9,40979+193%

27Warren County, IAIA57,33179−12%

28Carroll County, IAIA20,30375+159%

29Poweshiek County, IAIA18,36874+72%

30Kossuth County, IAIA14,32274+1750%

31Webster County, IAIA36,83874+45%

32Appanoose County, IAIA12,07773+2333%

33Cerro Gordo County, IAIA42,37273−3%

34Shelby County, IAIA11,68960+5900%

35Cass County, IAIA12,96059–

36Hamilton County, IAIA14,94459–

37Hardin County, IAIA16,45558+107%

38Clarke County, IAIA9,57457−76%

39Calhoun County, IAIA9,56255–

40Tama County, IAIA16,79653−28%

41Benton County, IAIA26,00452+1633%

42Guthrie County, IAIA10,78251+50%

43Clayton County, IAIA16,84550–

44Mills County, IAIA14,79345+650%

45Bremer County, IAIA25,29640+60%

46Buchanan County, IAIA20,88340−13%

47Palo Alto County, IAIA8,89937+164%

48Lyon County, IAIA12,35435–

49Boone County, IAIA26,79934–

50Delaware County, IAIA17,67432–

51Louisa County, IAIA10,41632−56%

52Lee County, IAIA32,30631+7%

53O'Brien County, IAIA14,22029–

54Floyd County, IAIA14,90127+2600%

55Winneshiek County, IAIA19,73326−53%

56Iowa County, IAIA16,50423−30%

57Jones County, IAIA21,25322−53%

58Mahaska County, IAIA21,88018+29%

59Dickinson County, IAIA18,07717–

60Marion County, IAIA34,19216−11%

61Butler County, IAIA14,04915–

62Adair County, IAIA7,40313–

63Davis County, IAIA9,23011–

64Franklin County, IAIA9,86810–

65Jasper County, IAIA38,15310–

66Lucas County, IAIA8,84710–

67Cedar County, IAIA18,3599–

68Hancock County, IAIA10,5289+125%

69Page County, IAIA14,8568–

70Winnebago County, IAIA10,2518–

71Clinton County, IAIA46,0027+17%

72Ringgold County, IAIA4,6427–

73Des Moines County, IAIA38,0776−81%

74Keokuk County, IAIA9,7976−63%

75Fayette County, IAIA19,0475+67%

76Cherokee County, IAIA11,3694−75%

77Clay County, IAIA16,2024−73%

78Van Buren County, IAIA7,1314–

79Greene County, IAIA8,6583−93%

80Monona County, IAIA8,5393−50%

81Worth County, IAIA7,3383–

82Howard County, IAIA9,4151−97%

83Jefferson County, IAIA15,2911−98%

SHOWING 1–83 OF 83

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