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 (2023 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.

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

RANKPLACESTATEPOPNORWEGIAN SHAREVS 2000

01Winnebago County, IAIA10,25128.3%–

02Worth County, IAIA7,33827.5%–

03Winneshiek County, IAIA19,73324.5%–

04Allamakee County, IAIA14,23814.8%–

05Howard County, IAIA9,41513.8%–

06Hancock County, IAIA10,52813.6%–

07Humboldt County, IAIA9,40913.5%–

08Cerro Gordo County, IAIA42,37212.5%–

09Mitchell County, IAIA10,65012.1%–

10Hamilton County, IAIA14,94412.1%–

11Fayette County, IAIA19,04711.2%–

12Clay County, IAIA16,20211.0%–

13Wright County, IAIA12,80110.5%–

14Kossuth County, IAIA14,3229.2%–

15Palo Alto County, IAIA8,8999.0%–

16Boone County, IAIA26,7998.9%–

17Emmet County, IAIA9,1078.7%–

18Clayton County, IAIA16,8458.1%–

19Hardin County, IAIA16,4557.7%–

20Story County, IAIA101,2917.7%–

21Webster County, IAIA36,8387.4%–

22Floyd County, IAIA14,9017.2%–

23Dickinson County, IAIA18,0777.2%–

24Chickasaw County, IAIA11,6636.0%–

25Monona County, IAIA8,5395.5%–

26Bremer County, IAIA25,2965.0%–

27Dallas County, IAIA118,4574.9%–

28Pocahontas County, IAIA6,8194.8%–

29Benton County, IAIA26,0044.6%–

30Osceola County, IAIA5,9804.6%–

31Madison County, IAIA17,2704.3%–

32Black Hawk County, IAIA131,5324.2%–

33Franklin County, IAIA9,8684.2%–

34Linn County, IAIA232,0284.1%–

35Grundy County, IAIA12,3614.0%–

36Poweshiek County, IAIA18,3683.9%–

37Johnson County, IAIA160,0443.8%–

38Warren County, IAIA57,3313.8%–

39Polk County, IAIA516,5463.7%–

40Jefferson County, IAIA15,2913.7%–

41Lyon County, IAIA12,3543.6%–

42Jasper County, IAIA38,1533.5%–

43Buchanan County, IAIA20,8833.5%–

44Buena Vista County, IAIA20,4493.3%–

45Calhoun County, IAIA9,5623.3%–

46Cherokee County, IAIA11,3693.3%–

47Woodbury County, IAIA106,6493.3%–

48Marshall County, IAIA39,8903.2%–

49Butler County, IAIA14,0493.0%–

50Greene County, IAIA8,6583.0%–

51Iowa County, IAIA16,5042.7%–

52Marion County, IAIA34,1922.7%–

53O'Brien County, IAIA14,2202.7%–

54Henry County, IAIA19,3492.7%–

55Clinton County, IAIA46,0022.6%–

56Guthrie County, IAIA10,7822.6%–

57Dubuque County, IAIA99,3812.6%–

58Shelby County, IAIA11,6892.5%–

59Tama County, IAIA16,7962.5%–

60Plymouth County, IAIA25,6972.4%–

61Ida County, IAIA6,7772.4%–

62Cedar County, IAIA18,3592.4%–

63Adams County, IAIA3,6172.3%–

64Lucas County, IAIA8,8472.3%–

65Sioux County, IAIA36,7742.3%–

66Harrison County, IAIA14,6232.2%–

67Adair County, IAIA7,4032.1%–

68Decatur County, IAIA7,6552.1%–

69Washington County, IAIA22,6672.1%–

70Union County, IAIA11,8292.1%–

71Pottawattamie County, IAIA92,9962.0%–

72Sac County, IAIA9,5252.0%–

73Scott County, IAIA175,2592.0%–

74Keokuk County, IAIA9,7971.9%–

75Mahaska County, IAIA21,8801.8%–

76Mills County, IAIA14,7931.8%–

77Delaware County, IAIA17,6741.8%–

78Audubon County, IAIA5,5091.7%–

79Jones County, IAIA21,2531.7%–

80Clarke County, IAIA9,5741.7%–

81Monroe County, IAIA7,4061.7%–

82Des Moines County, IAIA38,0771.7%–

83Muscatine County, IAIA41,8531.6%–

84Wayne County, IAIA6,7381.4%–

85Lee County, IAIA32,3061.3%–

86Page County, IAIA14,8561.3%–

87Crawford County, IAIA16,2371.3%–

88Carroll County, IAIA20,3031.3%–

89Fremont County, IAIA6,5221.3%–

90Montgomery County, IAIA10,0021.2%–

91Ringgold County, IAIA4,6421.2%–

92Cass County, IAIA12,9601.2%–

93Jackson County, IAIA19,2881.1%–

94Appanoose County, IAIA12,0771.0%–

95Louisa County, IAIA10,4161.0%–

96Taylor County, IAIA5,8350.9%–

97Wapello County, IAIA35,2100.8%–

98Davis County, IAIA9,2300.8%–

99Van Buren County, IAIA7,1310.1%–

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

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