RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Norwegian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Norwegian ancestry (2024 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

Norwegian Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPNORWEGIAN SHAREVS 2010

01Winnebago County, IAIA10,25128.3%−12.0 pts

02Worth County, IAIA7,33827.5%−7.7 pts

03Winneshiek County, IAIA19,73324.5%−5.6 pts

04Allamakee County, IAIA14,23814.8%−7.4 pts

05Howard County, IAIA9,41513.8%−8.7 pts

06Hancock County, IAIA10,52813.6%−5.2 pts

07Humboldt County, IAIA9,40913.5%−2.7 pts

08Cerro Gordo County, IAIA42,37212.5%−2.6 pts

09Mitchell County, IAIA10,65012.1%−3.1 pts

10Hamilton County, IAIA14,94412.1%−4.3 pts

11Fayette County, IAIA19,04711.2%−0.2 pts

12Clay County, IAIA16,20211.0%+3.3 pts

13Wright County, IAIA12,80110.5%−7.4 pts

14Kossuth County, IAIA14,3229.2%−2.9 pts

15Palo Alto County, IAIA8,8999.0%−2.4 pts

16Boone County, IAIA26,7998.9%+1.8 pts

17Emmet County, IAIA9,1078.7%−8.0 pts

18Clayton County, IAIA16,8458.1%−2.0 pts

19Hardin County, IAIA16,4557.7%−2.9 pts

20Story County, IAIA101,2917.7%−2.9 pts

21Webster County, IAIA36,8387.4%−2.1 pts

22Floyd County, IAIA14,9017.2%−1.5 pts

23Dickinson County, IAIA18,0777.2%−2.3 pts

24Chickasaw County, IAIA11,6636.0%−1.8 pts

25Monona County, IAIA8,5395.5%−3.9 pts

26Bremer County, IAIA25,2965.0%−0.8 pts

27Dallas County, IAIA118,4574.9%−0.5 pts

28Pocahontas County, IAIA6,8194.8%−2.3 pts

29Benton County, IAIA26,0044.6%−0.4 pts

30Osceola County, IAIA5,9804.6%−1.1 pts

31Madison County, IAIA17,2704.3%+0.8 pts

32Black Hawk County, IAIA131,5324.2%−1.7 pts

33Franklin County, IAIA9,8684.2%−2.5 pts

34Linn County, IAIA232,0284.1%−1.3 pts

35Grundy County, IAIA12,3614.0%−0.5 pts

36Poweshiek County, IAIA18,3683.9%+0.1 pts

37Johnson County, IAIA160,0443.8%−0.1 pts

38Warren County, IAIA57,3313.8%−0.5 pts

39Polk County, IAIA516,5463.7%−1.3 pts

40Jefferson County, IAIA15,2913.7%+2.4 pts

41Lyon County, IAIA12,3543.6%−5.8 pts

42Jasper County, IAIA38,1533.5%−0.8 pts

43Buchanan County, IAIA20,8833.5%−2.0 pts

44Buena Vista County, IAIA20,4493.3%−1.1 pts

45Calhoun County, IAIA9,5623.3%−1.8 pts

46Cherokee County, IAIA11,3693.3%−2.3 pts

47Woodbury County, IAIA106,6493.3%−2.7 pts

48Marshall County, IAIA39,8903.2%−3.3 pts

49Butler County, IAIA14,0493.0%−1.0 pts

50Greene County, IAIA8,6583.0%−0.4 pts

51Iowa County, IAIA16,5042.7%−0.7 pts

52Marion County, IAIA34,1922.7%−0.4 pts

53O'Brien County, IAIA14,2202.7%−2.7 pts

54Henry County, IAIA19,3492.7%+0.7 pts

55Clinton County, IAIA46,0022.6%−0.4 pts

56Guthrie County, IAIA10,7822.6%−0.8 pts

57Dubuque County, IAIA99,3812.6%+0.1 pts

58Shelby County, IAIA11,6892.5%−2.0 pts

59Tama County, IAIA16,7962.5%−1.5 pts

60Plymouth County, IAIA25,6972.4%−2.2 pts

61Ida County, IAIA6,7772.4%−1.8 pts

62Cedar County, IAIA18,3592.4%−1.1 pts

63Adams County, IAIA3,6172.3%+0.1 pts

64Lucas County, IAIA8,8472.3%−0.3 pts

65Sioux County, IAIA36,7742.3%−1.6 pts

66Harrison County, IAIA14,6232.2%−1.2 pts

67Adair County, IAIA7,4032.1%−0.8 pts

68Decatur County, IAIA7,6552.1%−0.1 pts

69Washington County, IAIA22,6672.1%−0.9 pts

70Union County, IAIA11,8292.1%+0.7 pts

71Pottawattamie County, IAIA92,9962.0%−1.0 pts

72Sac County, IAIA9,5252.0%−2.5 pts

73Scott County, IAIA175,2592.0%−0.6 pts

74Keokuk County, IAIA9,7971.9%−0.6 pts

75Mahaska County, IAIA21,8801.8%−1.3 pts

76Mills County, IAIA14,7931.8%−2.0 pts

77Delaware County, IAIA17,6741.8%−1.7 pts

78Audubon County, IAIA5,5091.7%−0.8 pts

79Jones County, IAIA21,2531.7%−0.0 pts

80Clarke County, IAIA9,5741.7%−0.9 pts

81Monroe County, IAIA7,4061.7%+1.0 pts

82Des Moines County, IAIA38,0771.7%−0.1 pts

83Muscatine County, IAIA41,8531.6%+0.1 pts

84Wayne County, IAIA6,7381.4%−0.2 pts

85Lee County, IAIA32,3061.3%−0.1 pts

86Page County, IAIA14,8561.3%−0.1 pts

87Crawford County, IAIA16,2371.3%−2.8 pts

88Carroll County, IAIA20,3031.3%−1.2 pts

89Fremont County, IAIA6,5221.3%−0.1 pts

90Montgomery County, IAIA10,0021.2%−1.8 pts

91Ringgold County, IAIA4,6421.2%−1.1 pts

92Cass County, IAIA12,9601.2%−1.6 pts

93Jackson County, IAIA19,2881.1%−1.5 pts

94Appanoose County, IAIA12,0771.0%+0.3 pts

95Louisa County, IAIA10,4161.0%−0.5 pts

96Taylor County, IAIA5,8350.9%+0.1 pts

97Wapello County, IAIA35,2100.8%−1.1 pts

98Davis County, IAIA9,2300.8%−2.6 pts

99Van Buren County, IAIA7,1310.1%−0.3 pts

SHOWING 1–99 OF 99

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