RANKING · 2020 CENSUS · 99 SHOWN OF 99

Largest Swedish population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Swedish ancestry, from the 2020 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.

Swedish Americans: full group profile →

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

RANKPLACESTATEPOPSWEDISH POPULATIONVS 2010

01Polk County, IAIA516,54613,263−8%

02Linn County, IAIA232,0285,571+8%

03Scott County, IAIA175,2595,228+2%

04Johnson County, IAIA160,0444,138+4%

05Woodbury County, IAIA106,6492,816−24%

06Story County, IAIA101,2912,751−29%

07Dallas County, IAIA118,4572,578+4%

08Black Hawk County, IAIA131,5322,211−22%

09Pottawattamie County, IAIA92,9961,997−37%

10Webster County, IAIA36,8381,742−40%

11Boone County, IAIA26,7991,601−41%

12Des Moines County, IAIA38,0771,359−26%

13Warren County, IAIA57,3311,183−33%

14Clinton County, IAIA46,0021,180−17%

15Dubuque County, IAIA99,3811,079−25%

16Cerro Gordo County, IAIA42,3721,025−29%

17Montgomery County, IAIA10,0021,013−40%

18Buena Vista County, IAIA20,449881−40%

19Page County, IAIA14,856870−40%

20Cherokee County, IAIA11,369833−28%

21Lee County, IAIA32,306812−24%

22Wapello County, IAIA35,210782−26%

23Benton County, IAIA26,004779+8%

24Dickinson County, IAIA18,077751−13%

25Plymouth County, IAIA25,697705−12%

26Marion County, IAIA34,192696−10%

27Jasper County, IAIA38,153644−11%

28Henry County, IAIA19,349632−45%

29Sioux County, IAIA36,774628+29%

30Jefferson County, IAIA15,291627+24%

31Union County, IAIA11,829625+41%

32Mills County, IAIA14,793580+40%

33Muscatine County, IAIA41,853578−37%

34Hamilton County, IAIA14,944557−40%

35Winneshiek County, IAIA19,733539−11%

36Calhoun County, IAIA9,562532−5%

37Cedar County, IAIA18,359529+42%

38Clay County, IAIA16,202477−47%

39Washington County, IAIA22,667425−31%

40Marshall County, IAIA39,890400−31%

41Floyd County, IAIA14,901395+14%

42Pocahontas County, IAIA6,819388−43%

43Bremer County, IAIA25,296370−19%

44Jones County, IAIA21,253368+5%

45Sac County, IAIA9,525363−49%

46Mahaska County, IAIA21,880351−25%

47Kossuth County, IAIA14,322349−60%

48Guthrie County, IAIA10,782341−27%

49Harrison County, IAIA14,623324−45%

50Jackson County, IAIA19,288324−25%

51Cass County, IAIA12,960321−38%

52Carroll County, IAIA20,303308−16%

53Ida County, IAIA6,777305−27%

54O'Brien County, IAIA14,220303−39%

55Crawford County, IAIA16,237301−33%

56Palo Alto County, IAIA8,899300+16%

57Lucas County, IAIA8,847299+2%

58Poweshiek County, IAIA18,368296−66%

59Madison County, IAIA17,270283−26%

60Humboldt County, IAIA9,409276−12%

61Winnebago County, IAIA10,251274−21%

62Shelby County, IAIA11,689263+72%

63Greene County, IAIA8,658251−38%

64Hardin County, IAIA16,455248−31%

65Louisa County, IAIA10,416245−38%

66Delaware County, IAIA17,674237+1%

67Tama County, IAIA16,796228+32%

68Hancock County, IAIA10,528220−33%

69Clayton County, IAIA16,845217−27%

70Emmet County, IAIA9,107217−28%

71Monroe County, IAIA7,406197−51%

72Fayette County, IAIA19,047196−39%

73Keokuk County, IAIA9,797194−25%

74Buchanan County, IAIA20,883193−70%

75Grundy County, IAIA12,361186+22%

76Wright County, IAIA12,801184−55%

77Lyon County, IAIA12,354182−52%

78Iowa County, IAIA16,504173−43%

79Mitchell County, IAIA10,650169−4%

80Butler County, IAIA14,049167−22%

81Monona County, IAIA8,539163−63%

82Van Buren County, IAIA7,131156−49%

83Appanoose County, IAIA12,077150−63%

84Taylor County, IAIA5,835146−45%

85Fremont County, IAIA6,522143−51%

86Adair County, IAIA7,403129+12%

87Ringgold County, IAIA4,642120+48%

88Decatur County, IAIA7,655116−25%

89Chickasaw County, IAIA11,663104−17%

90Allamakee County, IAIA14,238103−60%

91Franklin County, IAIA9,868102−53%

92Adams County, IAIA3,61799−24%

93Davis County, IAIA9,23093−51%

94Worth County, IAIA7,33893−63%

95Audubon County, IAIA5,50982−11%

96Wayne County, IAIA6,73877−27%

97Osceola County, IAIA5,98058−55%

98Clarke County, IAIA9,57452−85%

99Howard County, IAIA9,41547−37%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS