RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Hispanic population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Hispanic or Latino of any race (2020 American Community Survey). A concentration measure: Hispanic residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPHISPANIC / LATINOVS 2000

01Crawford County, IAIA16,23729.7%+240%

02Buena Vista County, IAIA20,44928.5%+127%

03Marshall County, IAIA39,89022.8%+154%

04Wright County, IAIA12,80118.5%+276%

05Muscatine County, IAIA41,85318.0%+51%

06Woodbury County, IAIA106,64917.7%+94%

07Franklin County, IAIA9,86816.3%+172%

08Louisa County, IAIA10,41615.9%+26%

09Clarke County, IAIA9,57415.7%+289%

10Sioux County, IAIA36,77413.7%+436%

11Wapello County, IAIA35,21012.2%+452%

12Tama County, IAIA16,79610.5%+181%

13Polk County, IAIA516,5469.8%+122%

14Hamilton County, IAIA14,9449.7%+584%

15Osceola County, IAIA5,9809.7%+446%

16Emmet County, IAIA9,1079.4%+119%

17Allamakee County, IAIA14,2388.7%+145%

18Pottawattamie County, IAIA92,9968.2%+148%

19Washington County, IAIA22,6677.1%+162%

20O'Brien County, IAIA14,2206.9%+293%

21Scott County, IAIA175,2596.9%+70%

22Taylor County, IAIA5,8356.8%+78%

23Johnson County, IAIA160,0446.7%+166%

24Dallas County, IAIA118,4576.5%+21%

25Plymouth County, IAIA25,6975.8%+341%

26Hancock County, IAIA10,5285.7%+129%

27Webster County, IAIA36,8385.6%+138%

28Winnebago County, IAIA10,2515.6%+175%

29Henry County, IAIA19,3495.3%+320%

30Cerro Gordo County, IAIA42,3725.2%+87%

31Story County, IAIA101,2915.1%+230%

32Pocahontas County, IAIA6,8195.0%+463%

33Black Hawk County, IAIA131,5324.9%+167%

34Hardin County, IAIA16,4554.8%+100%

35Cherokee County, IAIA11,3694.5%+378%

36Humboldt County, IAIA9,4094.5%+365%

37Clay County, IAIA16,2024.3%+281%

38Kossuth County, IAIA14,3224.1%+402%

39Chickasaw County, IAIA11,6634.0%+539%

40Jefferson County, IAIA15,2913.9%+112%

41Linn County, IAIA232,0283.9%+173%

42Ida County, IAIA6,7773.6%+671%

43Sac County, IAIA9,5253.6%+275%

44Montgomery County, IAIA10,0023.6%+176%

45Floyd County, IAIA14,9013.5%+168%

46Shelby County, IAIA11,6893.5%+425%

47Lyon County, IAIA12,3543.4%+855%

48Clinton County, IAIA46,0023.3%+165%

49Lee County, IAIA32,3063.3%+40%

50Union County, IAIA11,8293.3%+224%

51Des Moines County, IAIA38,0773.2%+83%

52Mills County, IAIA14,7933.2%+159%

53Warren County, IAIA57,3313.2%+192%

54Page County, IAIA14,8563.1%+95%

55Palo Alto County, IAIA8,8993.0%+301%

56Dubuque County, IAIA99,3813.0%+151%

57Iowa County, IAIA16,5043.0%+206%

58Greene County, IAIA8,6582.9%+76%

59Winneshiek County, IAIA19,7332.9%+265%

60Fremont County, IAIA6,5222.9%+32%

61Jasper County, IAIA38,1532.9%+185%

62Carroll County, IAIA20,3032.9%+433%

63Worth County, IAIA7,3382.8%+81%

64Poweshiek County, IAIA18,3682.8%+136%

65Decatur County, IAIA7,6552.8%+62%

66Howard County, IAIA9,4152.7%+392%

67Monona County, IAIA8,5392.7%+286%

68Fayette County, IAIA19,0472.7%+78%

69Boone County, IAIA26,7992.7%+219%

70Guthrie County, IAIA10,7822.6%+144%

71Cedar County, IAIA18,3592.5%+166%

72Adair County, IAIA7,4032.5%+253%

73Jones County, IAIA21,2532.4%+129%

74Calhoun County, IAIA9,5622.4%+164%

75Cass County, IAIA12,9602.3%+239%

76Dickinson County, IAIA18,0772.3%+246%

77Lucas County, IAIA8,8472.3%+164%

78Mahaska County, IAIA21,8802.2%+154%

79Keokuk County, IAIA9,7972.1%+300%

80Marion County, IAIA34,1922.1%+161%

81Bremer County, IAIA25,2962.0%+267%

82Clayton County, IAIA16,8452.0%+165%

83Harrison County, IAIA14,6232.0%+179%

84Madison County, IAIA17,2701.9%+155%

85Appanoose County, IAIA12,0771.9%+91%

86Mitchell County, IAIA10,6501.8%+215%

87Benton County, IAIA26,0041.8%+193%

88Buchanan County, IAIA20,8831.6%+165%

89Van Buren County, IAIA7,1311.6%+106%

90Davis County, IAIA9,2301.6%+121%

91Monroe County, IAIA7,4061.5%+209%

92Ringgold County, IAIA4,6421.5%+541%

93Audubon County, IAIA5,5091.5%+214%

94Delaware County, IAIA17,6741.4%+112%

95Butler County, IAIA14,0491.3%+120%

96Jackson County, IAIA19,2881.2%+104%

97Grundy County, IAIA12,3611.2%+102%

98Adams County, IAIA3,6171.1%+95%

99Wayne County, IAIA6,7380.9%+32%

SHOWING 1–99 OF 99

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS