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. The median across all 99 is 3.0%. Biggest climber in the top 100 since 2020: Madison County, IA, up 23 places to #31.

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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

06▲2Hancock County, IAIA10,52813.6%−5.2 pts

07▼1Humboldt County, IAIA9,40913.5%−2.7 pts

08▲2Cerro Gordo County, IAIA42,37212.5%−2.6 pts

09▼2Mitchell County, IAIA10,65012.1%−3.1 pts

10▲2Hamilton County, IAIA14,94412.1%−4.3 pts

11▲4Fayette County, IAIA19,04711.2%−0.2 pts

12▲2Clay County, IAIA16,20211.0%+3.3 pts

13▼4Wright County, IAIA12,80110.5%−7.4 pts

14▲3Kossuth County, IAIA14,3229.2%−2.9 pts

15▼2Palo Alto County, IAIA8,8999.0%−2.4 pts

16▲6Boone County, IAIA26,7998.9%+1.8 pts

17▼6Emmet County, IAIA9,1078.7%−8.0 pts

18▲1Clayton County, IAIA16,8458.1%−2.0 pts

19▲4Hardin County, IAIA16,4557.7%−2.9 pts

20▼4Story County, IAIA101,2917.7%−2.9 pts

21▲4Webster County, IAIA36,8387.4%−2.1 pts

22▲4Floyd County, IAIA14,9017.2%−1.5 pts

23▼5Dickinson County, IAIA18,0777.2%−2.3 pts

24Chickasaw County, IAIA11,6636.0%−1.8 pts

25▼5Monona County, IAIA8,5395.5%−3.9 pts

26▲1Bremer County, IAIA25,2965.0%−0.8 pts

27▲3Dallas County, IAIA118,4574.9%−0.5 pts

28▲3Pocahontas County, IAIA6,8194.8%−2.3 pts

29Benton County, IAIA26,0044.6%−0.4 pts

30▲3Osceola County, IAIA5,9804.6%−1.1 pts

31▲23Madison County, IAIA17,2704.3%+0.8 pts

32▲2Black Hawk County, IAIA131,5324.2%−1.7 pts

33▼5Franklin County, IAIA9,8684.2%−2.5 pts

34▲6Linn County, IAIA232,0284.1%−1.3 pts

35▲18Grundy County, IAIA12,3614.0%−0.5 pts

36▲11Poweshiek County, IAIA18,3683.9%+0.1 pts

37▼5Johnson County, IAIA160,0443.8%−0.1 pts

38▲12Warren County, IAIA57,3313.8%−0.5 pts

39▼2Polk County, IAIA516,5463.7%−1.3 pts

40▲2Jefferson County, IAIA15,2913.7%+2.4 pts

41▼5Lyon County, IAIA12,3543.6%−5.8 pts

42▲21Jasper County, IAIA38,1533.5%−0.8 pts

43▼8Buchanan County, IAIA20,8833.5%−2.0 pts

44▼1Buena Vista County, IAIA20,4493.3%−1.1 pts

45▲1Calhoun County, IAIA9,5623.3%−1.8 pts

46▲23Cherokee County, IAIA11,3693.3%−2.3 pts

47▼8Woodbury County, IAIA106,6493.3%−2.7 pts

48▼7Marshall County, IAIA39,8903.2%−3.3 pts

49▲3Butler County, IAIA14,0493.0%−1.0 pts

50▲10Greene County, IAIA8,6583.0%−0.4 pts

51▼6Iowa County, IAIA16,5042.7%−0.7 pts

52▲6Marion County, IAIA34,1922.7%−0.4 pts

53▼32O'Brien County, IAIA14,2202.7%−2.7 pts

54▲12Henry County, IAIA19,3492.7%+0.7 pts

55▲18Clinton County, IAIA46,0022.6%−0.4 pts

56▼12Guthrie County, IAIA10,7822.6%−0.8 pts

57▲4Dubuque County, IAIA99,3812.6%+0.1 pts

58▼9Shelby County, IAIA11,6892.5%−2.0 pts

59▼3Tama County, IAIA16,7962.5%−1.5 pts

60▼22Plymouth County, IAIA25,6972.4%−2.2 pts

61▼6Ida County, IAIA6,7772.4%−1.8 pts

62▲14Cedar County, IAIA18,3592.4%−1.1 pts

63▲1Adams County, IAIA3,6172.3%+0.1 pts

64▼7Lucas County, IAIA8,8472.3%−0.3 pts

65Sioux County, IAIA36,7742.3%−1.6 pts

66▲5Harrison County, IAIA14,6232.2%−1.2 pts

67▲23Adair County, IAIA7,4032.1%−0.8 pts

68▼17Decatur County, IAIA7,6552.1%−0.1 pts

69▲6Washington County, IAIA22,6672.1%−0.9 pts

70▲4Union County, IAIA11,8292.1%+0.7 pts

71▲6Pottawattamie County, IAIA92,9962.0%−1.0 pts

72▼10Sac County, IAIA9,5252.0%−2.5 pts

73▲6Scott County, IAIA175,2592.0%−0.6 pts

74▲18Keokuk County, IAIA9,7971.9%−0.6 pts

75▼8Mahaska County, IAIA21,8801.8%−1.3 pts

76▼28Mills County, IAIA14,7931.8%−2.0 pts

77▲11Delaware County, IAIA17,6741.8%−1.7 pts

78▲4Audubon County, IAIA5,5091.7%−0.8 pts

79▲4Jones County, IAIA21,2531.7%0.0 pts

80▼2Clarke County, IAIA9,5741.7%−0.9 pts

81▲17Monroe County, IAIA7,4061.7%+1.0 pts

82▲7Des Moines County, IAIA38,0771.7%−0.1 pts

83▼2Muscatine County, IAIA41,8531.6%+0.1 pts

84▼12Wayne County, IAIA6,7381.4%−0.2 pts

85▲8Lee County, IAIA32,3061.3%−0.1 pts

86▼6Page County, IAIA14,8561.3%−0.1 pts

87▼28Crawford County, IAIA16,2371.3%−2.8 pts

88▼20Carroll County, IAIA20,3031.3%−1.2 pts

89▲2Fremont County, IAIA6,5221.3%−0.1 pts

90▼20Montgomery County, IAIA10,0021.2%−1.8 pts

91▲6Ringgold County, IAIA4,6421.2%−1.1 pts

92▼6Cass County, IAIA12,9601.2%−1.6 pts

93▼9Jackson County, IAIA19,2881.1%−1.5 pts

94▼9Appanoose County, IAIA12,0771.0%+0.3 pts

95▼8Louisa County, IAIA10,4161.0%−0.5 pts

96▼1Taylor County, IAIA5,8350.9%+0.1 pts

97▼3Wapello County, IAIA35,2100.8%−1.1 pts

98▼2Davis 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 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES