RANKING · 2024 ACS · 96 SHOWN OF 96

Highest Swiss population share, Iowa counties

Iowa counties ranked by the share of all residents who are Swiss ancestry (2024 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 96 counties in Iowa that qualify, ranked against each other statewide.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS SHAREVS 2010

01Howard County, IAIA9,4155.1%+3.7 pts

02Washington County, IAIA22,6673.8%+1.3 pts

03Wayne County, IAIA6,7382.2%+1.9 pts

04Davis County, IAIA9,2302.0%−0.0 pts

05Fayette County, IAIA19,0471.9%−0.2 pts

06Lyon County, IAIA12,3541.7%−1.9 pts

07Jones County, IAIA21,2531.6%+0.5 pts

08Henry County, IAIA19,3491.6%+1.0 pts

09Palo Alto County, IAIA8,8991.6%−0.8 pts

10Jackson County, IAIA19,2881.5%+1.1 pts

11Clayton County, IAIA16,8451.2%−0.9 pts

12Mitchell County, IAIA10,6501.2%+0.2 pts

13Taylor County, IAIA5,8351.1%+0.6 pts

14Jefferson County, IAIA15,2911.1%+0.6 pts

15Des Moines County, IAIA38,0771.0%+0.5 pts

16Delaware County, IAIA17,6741.0%+0.3 pts

17Van Buren County, IAIA7,1310.9%−0.3 pts

18Decatur County, IAIA7,6550.8%−0.5 pts

19Union County, IAIA11,8290.7%+0.3 pts

20Iowa County, IAIA16,5040.6%−0.8 pts

21Kossuth County, IAIA14,3220.6%−0.3 pts

22Dubuque County, IAIA99,3810.6%−0.4 pts

23Johnson County, IAIA160,0440.6%−0.1 pts

24Chickasaw County, IAIA11,6630.6%−0.4 pts

25Floyd County, IAIA14,9010.5%+0.0 pts

26Harrison County, IAIA14,6230.5%+0.1 pts

27Madison County, IAIA17,2700.5%+0.3 pts

28Story County, IAIA101,2910.5%−0.2 pts

29Linn County, IAIA232,0280.5%−0.2 pts

30Dallas County, IAIA118,4570.5%−0.3 pts

31Ida County, IAIA6,7770.4%+0.1 pts

32Buchanan County, IAIA20,8830.4%−0.1 pts

33Black Hawk County, IAIA131,5320.4%+0.0 pts

34Montgomery County, IAIA10,0020.4%+0.0 pts

35Cedar County, IAIA18,3590.4%−0.1 pts

36Allamakee County, IAIA14,2380.4%−1.5 pts

37O'Brien County, IAIA14,2200.4%+0.3 pts

38Sioux County, IAIA36,7740.4%+0.2 pts

39Cerro Gordo County, IAIA42,3720.3%−0.2 pts

40Marshall County, IAIA39,8900.3%−0.1 pts

41Winnebago County, IAIA10,2510.3%−0.1 pts

42Guthrie County, IAIA10,7820.3%−0.2 pts

43Jasper County, IAIA38,1530.3%−0.1 pts

44Clinton County, IAIA46,0020.3%−0.0 pts

45Louisa County, IAIA10,4160.3%−0.1 pts

46Scott County, IAIA175,2590.3%−0.3 pts

47Benton County, IAIA26,0040.3%−0.2 pts

48Marion County, IAIA34,1920.3%+0.3 pts

49Clay County, IAIA16,2020.3%−0.2 pts

50Calhoun County, IAIA9,5620.3%−0.1 pts

51Woodbury County, IAIA106,6490.3%−0.1 pts

52Adams County, IAIA3,6170.2%−0.5 pts

53Poweshiek County, IAIA18,3680.2%−0.1 pts

54Appanoose County, IAIA12,0770.2%−0.6 pts

55Warren County, IAIA57,3310.2%−0.0 pts

56Polk County, IAIA516,5460.2%−0.1 pts

57Muscatine County, IAIA41,8530.2%+0.0 pts

58Webster County, IAIA36,8380.2%−0.0 pts

59Hancock County, IAIA10,5280.2%+0.1 pts

60Humboldt County, IAIA9,4090.2%−0.1 pts

61Mills County, IAIA14,7930.2%−0.2 pts

62Bremer County, IAIA25,2960.2%−0.2 pts

63Wright County, IAIA12,8010.2%+0.1 pts

64Fremont County, IAIA6,5220.2%+0.1 pts

65Pottawattamie County, IAIA92,9960.2%−0.3 pts

66Boone County, IAIA26,7990.2%−0.4 pts

67Butler County, IAIA14,0490.2%−0.1 pts

68Hardin County, IAIA16,4550.2%−0.3 pts

69Lee County, IAIA32,3060.2%+0.1 pts

70Dickinson County, IAIA18,0770.2%−0.7 pts

71Cass County, IAIA12,9600.1%−0.1 pts

72Cherokee County, IAIA11,3690.1%−0.5 pts

73Winneshiek County, IAIA19,7330.1%−0.4 pts

74Page County, IAIA14,8560.1%−0.1 pts

75Crawford County, IAIA16,2370.1%−0.0 pts

76Clarke County, IAIA9,5740.1%−0.1 pts

77Shelby County, IAIA11,6890.1%−0.1 pts

78Tama County, IAIA16,7960.1%+0.0 pts

79Pocahontas County, IAIA6,8190.1%−0.5 pts

80Carroll County, IAIA20,3030.1%−0.4 pts

81Plymouth County, IAIA25,6970.1%−0.3 pts

82Mahaska County, IAIA21,8800.1%−0.2 pts

83Adair County, IAIA7,4030.1%−0.2 pts

84Monroe County, IAIA7,4060.1%–

85Wapello County, IAIA35,2100.1%+0.0 pts

86Hamilton County, IAIA14,9440.1%−0.4 pts

87Audubon County, IAIA5,5090.1%−0.2 pts

88Keokuk County, IAIA9,7970.1%−0.4 pts

89Monona County, IAIA8,5390.1%−0.3 pts

90Ringgold County, IAIA4,6420.1%−0.1 pts

91Sac County, IAIA9,5250.1%−0.2 pts

92Grundy County, IAIA12,3610.0%−0.1 pts

93Greene County, IAIA8,6580.0%−0.4 pts

94Worth County, IAIA7,3380.0%−0.3 pts

95Buena Vista County, IAIA20,4490.0%−0.2 pts

96Osceola County, IAIA5,9800.0%−0.6 pts

SHOWING 1–96 OF 96

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES