RANKING · 2020 CENSUS · 75 SHOWN OF 75

Highest Hungarian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Hungarian ancestry (2023 American Community Survey). A concentration measure: Hungarian residents as a percentage of total population. This list covers the 75 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPHUNGARIAN SHAREVS 2000

01Decatur County, IAIA7,6550.5%–

02Mahaska County, IAIA21,8800.4%–

03Jones County, IAIA21,2530.4%–

04Louisa County, IAIA10,4160.3%–

05Union County, IAIA11,8290.3%–

06Johnson County, IAIA160,0440.3%–

07Jefferson County, IAIA15,2910.3%–

08Montgomery County, IAIA10,0020.2%–

09Guthrie County, IAIA10,7820.2%–

10Hamilton County, IAIA14,9440.2%–

11Dubuque County, IAIA99,3810.2%–

12Benton County, IAIA26,0040.2%–

13Boone County, IAIA26,7990.2%–

14Scott County, IAIA175,2590.2%–

15Van Buren County, IAIA7,1310.2%–

16Kossuth County, IAIA14,3220.1%–

17Henry County, IAIA19,3490.1%–

18Story County, IAIA101,2910.1%–

19Polk County, IAIA516,5460.1%–

20Hardin County, IAIA16,4550.1%–

21Harrison County, IAIA14,6230.1%–

22Dallas County, IAIA118,4570.1%–

23Franklin County, IAIA9,8680.1%–

24Linn County, IAIA232,0280.1%–

25Mills County, IAIA14,7930.1%–

26Winnebago County, IAIA10,2510.1%–

27Shelby County, IAIA11,6890.1%–

28Buchanan County, IAIA20,8830.1%–

29Monona County, IAIA8,5390.1%–

30Muscatine County, IAIA41,8530.1%–

31Tama County, IAIA16,7960.1%–

32Black Hawk County, IAIA131,5320.1%–

33Lee County, IAIA32,3060.1%–

34Humboldt County, IAIA9,4090.1%–

35Cerro Gordo County, IAIA42,3720.1%–

36Keokuk County, IAIA9,7970.1%–

37Warren County, IAIA57,3310.1%–

38Des Moines County, IAIA38,0770.1%–

39Fremont County, IAIA6,5220.1%–

40O'Brien County, IAIA14,2200.1%–

41Howard County, IAIA9,4150.1%–

42Pottawattamie County, IAIA92,9960.1%–

43Cass County, IAIA12,9600.1%–

44Clarke County, IAIA9,5740.1%–

45Clayton County, IAIA16,8450.1%–

46Wayne County, IAIA6,7380.1%–

47Adair County, IAIA7,4030.1%–

48Greene County, IAIA8,6580.1%–

49Webster County, IAIA36,8380.1%–

50Woodbury County, IAIA106,6490.1%–

51Cedar County, IAIA18,3590.0%–

52Hancock County, IAIA10,5280.0%–

53Worth County, IAIA7,3380.0%–

54Wapello County, IAIA35,2100.0%–

55Monroe County, IAIA7,4060.0%–

56Madison County, IAIA17,2700.0%–

57Bremer County, IAIA25,2960.0%–

58Fayette County, IAIA19,0470.0%–

59Crawford County, IAIA16,2370.0%–

60Marshall County, IAIA39,8900.0%–

61Winneshiek County, IAIA19,7330.0%–

62Chickasaw County, IAIA11,6630.0%–

63Mitchell County, IAIA10,6500.0%–

64Lyon County, IAIA12,3540.0%–

65Washington County, IAIA22,6670.0%–

66Plymouth County, IAIA25,6970.0%–

67Jasper County, IAIA38,1530.0%–

68Marion County, IAIA34,1920.0%–

69Clinton County, IAIA46,0020.0%–

70Pocahontas County, IAIA6,8190.0%–

71Ida County, IAIA6,7770.0%–

72Allamakee County, IAIA14,2380.0%–

73Butler County, IAIA14,0490.0%–

74Floyd County, IAIA14,9010.0%–

75Poweshiek County, IAIA18,3680.0%–

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