RANKING · 2024 ACS · 99 SHOWN OF 99

Largest Norwegian population, Iowa counties

Iowa counties ranked by the number of residents who are Norwegian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPNORWEGIAN POPULATIONVS 2000

01Polk County, IAIA516,54618,785–

02Linn County, IAIA232,0289,354–

03Story County, IAIA101,2917,703–

04Johnson County, IAIA160,0445,929–

05Black Hawk County, IAIA131,5325,454–

06Cerro Gordo County, IAIA42,3725,326–

07Dallas County, IAIA118,4575,252–

08Winneshiek County, IAIA19,7334,870–

09Woodbury County, IAIA106,6493,458–

10Scott County, IAIA175,2593,456–

11Winnebago County, IAIA10,2512,992–

12Webster County, IAIA36,8382,740–

13Dubuque County, IAIA99,3812,526–

14Boone County, IAIA26,7992,374–

15Fayette County, IAIA19,0472,162–

16Allamakee County, IAIA14,2382,086–

17Warren County, IAIA57,3312,051–

18Worth County, IAIA7,3382,019–

19Pottawattamie County, IAIA92,9961,863–

20Clay County, IAIA16,2021,812–

21Hamilton County, IAIA14,9441,794–

22Hancock County, IAIA10,5281,454–

23Clayton County, IAIA16,8451,373–

24Wright County, IAIA12,8011,338–

25Kossuth County, IAIA14,3221,330–

26Jasper County, IAIA38,1531,328–

27Howard County, IAIA9,4151,301–

28Humboldt County, IAIA9,4091,294–

29Dickinson County, IAIA18,0771,289–

30Hardin County, IAIA16,4551,287–

31Mitchell County, IAIA10,6501,280–

32Bremer County, IAIA25,2961,271–

33Marshall County, IAIA39,8901,268–

34Benton County, IAIA26,0041,191–

35Clinton County, IAIA46,0021,188–

36Floyd County, IAIA14,9011,099–

37Marion County, IAIA34,192910–

38Sioux County, IAIA36,774815–

39Emmet County, IAIA9,107810–

40Palo Alto County, IAIA8,899796–

41Madison County, IAIA17,270734–

42Poweshiek County, IAIA18,368731–

43Buchanan County, IAIA20,883722–

44Chickasaw County, IAIA11,663708–

45Muscatine County, IAIA41,853699–

46Buena Vista County, IAIA20,449693–

47Des Moines County, IAIA38,077655–

48Plymouth County, IAIA25,697624–

49Jefferson County, IAIA15,291583–

50Henry County, IAIA19,349532–

51Grundy County, IAIA12,361491–

52Monona County, IAIA8,539473–

53Washington County, IAIA22,667467–

54Iowa County, IAIA16,504448–

55Lee County, IAIA32,306443–

56Lyon County, IAIA12,354438–

57Cedar County, IAIA18,359434–

58Butler County, IAIA14,049431–

59Tama County, IAIA16,796418–

60Franklin County, IAIA9,868414–

61Mahaska County, IAIA21,880407–

62O'Brien County, IAIA14,220380–

63Cherokee County, IAIA11,369378–

64Jones County, IAIA21,253360–

65Pocahontas County, IAIA6,819341–

66Harrison County, IAIA14,623324–

67Calhoun County, IAIA9,562321–

68Delaware County, IAIA17,674311–

69Shelby County, IAIA11,689293–

70Wapello County, IAIA35,210286–

71Osceola County, IAIA5,980280–

72Guthrie County, IAIA10,782274–

73Carroll County, IAIA20,303262–

74Mills County, IAIA14,793262–

75Greene County, IAIA8,658259–

76Union County, IAIA11,829247–

77Jackson County, IAIA19,288222–

78Crawford County, IAIA16,237212–

79Lucas County, IAIA8,847201–

80Page County, IAIA14,856201–

81Sac County, IAIA9,525192–

82Keokuk County, IAIA9,797188–

83Ida County, IAIA6,777167–

84Clarke County, IAIA9,574166–

85Decatur County, IAIA7,655163–

86Adair County, IAIA7,403160–

87Cass County, IAIA12,960154–

88Monroe County, IAIA7,406128–

89Montgomery County, IAIA10,002123–

90Appanoose County, IAIA12,077121–

91Louisa County, IAIA10,416103–

92Audubon County, IAIA5,50997–

93Wayne County, IAIA6,73889–

94Adams County, IAIA3,61785–

95Fremont County, IAIA6,52282–

96Davis County, IAIA9,23070–

97Ringgold County, IAIA4,64255–

98Taylor County, IAIA5,83555–

99Van Buren County, IAIA7,1319–

SHOWING 1–99 OF 99

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