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 (2020 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.

Hungarian Americans: full group profile →

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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 2010

01Decatur County, IAIA7,6550.5%+0.3 pts

02Mahaska County, IAIA21,8800.4%+0.1 pts

03Jones County, IAIA21,2530.4%+0.2 pts

04Louisa County, IAIA10,4160.3%–

05Union County, IAIA11,8290.3%–

06Johnson County, IAIA160,0440.3%+0.1 pts

07Jefferson County, IAIA15,2910.3%+0.2 pts

08Montgomery County, IAIA10,0020.2%−0.4 pts

09Guthrie County, IAIA10,7820.2%−0.4 pts

10Hamilton County, IAIA14,9440.2%+0.1 pts

11Dubuque County, IAIA99,3810.2%−0.0 pts

12Benton County, IAIA26,0040.2%−0.2 pts

13Boone County, IAIA26,7990.2%–

14Scott County, IAIA175,2590.2%−0.1 pts

15Van Buren County, IAIA7,1310.2%+0.1 pts

16Kossuth County, IAIA14,3220.1%+0.0 pts

17Henry County, IAIA19,3490.1%+0.1 pts

18Story County, IAIA101,2910.1%−0.2 pts

19Polk County, IAIA516,5460.1%+0.0 pts

20Hardin County, IAIA16,4550.1%+0.1 pts

21Harrison County, IAIA14,6230.1%+0.0 pts

22Dallas County, IAIA118,4570.1%−0.0 pts

23Franklin County, IAIA9,8680.1%–

24Linn County, IAIA232,0280.1%−0.1 pts

25Mills County, IAIA14,7930.1%+0.0 pts

26Winnebago County, IAIA10,2510.1%–

27Shelby County, IAIA11,6890.1%−0.0 pts

28Buchanan County, IAIA20,8830.1%−0.0 pts

29Monona County, IAIA8,5390.1%–

30Muscatine County, IAIA41,8530.1%−0.1 pts

31Tama County, IAIA16,7960.1%+0.0 pts

32Black Hawk County, IAIA131,5320.1%+0.0 pts

33Lee County, IAIA32,3060.1%+0.1 pts

34Humboldt County, IAIA9,4090.1%−0.2 pts

35Cerro Gordo County, IAIA42,3720.1%−0.0 pts

36Keokuk County, IAIA9,7970.1%+0.0 pts

37Warren County, IAIA57,3310.1%−0.1 pts

38Des Moines County, IAIA38,0770.1%−0.0 pts

39Fremont County, IAIA6,5220.1%−0.1 pts

40O'Brien County, IAIA14,2200.1%+0.1 pts

41Howard County, IAIA9,4150.1%–

42Pottawattamie County, IAIA92,9960.1%−0.0 pts

43Cass County, IAIA12,9600.1%−0.0 pts

44Clarke County, IAIA9,5740.1%−0.0 pts

45Clayton County, IAIA16,8450.1%+0.0 pts

46Wayne County, IAIA6,7380.1%–

47Adair County, IAIA7,4030.1%–

48Greene County, IAIA8,6580.1%–

49Webster County, IAIA36,8380.1%+0.0 pts

50Woodbury County, IAIA106,6490.1%+0.0 pts

51Cedar County, IAIA18,3590.0%−0.3 pts

52Hancock County, IAIA10,5280.0%–

53Worth County, IAIA7,3380.0%−0.0 pts

54Wapello County, IAIA35,2100.0%−0.2 pts

55Monroe County, IAIA7,4060.0%−0.2 pts

56Madison County, IAIA17,2700.0%−0.2 pts

57Bremer County, IAIA25,2960.0%−0.2 pts

58Fayette County, IAIA19,0470.0%−0.0 pts

59Crawford County, IAIA16,2370.0%−0.4 pts

60Marshall County, IAIA39,8900.0%−0.0 pts

61Winneshiek County, IAIA19,7330.0%−0.0 pts

62Chickasaw County, IAIA11,6630.0%−0.0 pts

63Mitchell County, IAIA10,6500.0%−0.0 pts

64Lyon County, IAIA12,3540.0%−0.1 pts

65Washington County, IAIA22,6670.0%+0.0 pts

66Plymouth County, IAIA25,6970.0%–

67Jasper County, IAIA38,1530.0%−0.1 pts

68Marion County, IAIA34,1920.0%−0.0 pts

69Clinton County, IAIA46,0020.0%+0.0 pts

70Pocahontas County, IAIA6,8190.0%−0.1 pts

71Ida County, IAIA6,7770.0%–

72Allamakee County, IAIA14,2380.0%−0.3 pts

73Butler County, IAIA14,0490.0%−0.1 pts

74Floyd County, IAIA14,9010.0%–

75Poweshiek County, IAIA18,3680.0%−0.2 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS