RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Scottish population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Scottish ancestry (2023 American Community Survey). A concentration measure: Scottish 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

RANKPLACESTATEPOPSCOTTISH SHAREVS 2000

01Jones County, IAIA21,2534.0%–

02Union County, IAIA11,8293.1%–

03Decatur County, IAIA7,6552.9%–

04Keokuk County, IAIA9,7972.8%–

05Taylor County, IAIA5,8352.7%–

06Wayne County, IAIA6,7382.5%–

07Mills County, IAIA14,7932.5%–

08Jefferson County, IAIA15,2912.2%–

09Van Buren County, IAIA7,1312.2%–

10Sac County, IAIA9,5252.2%–

11O'Brien County, IAIA14,2202.1%–

12Clarke County, IAIA9,5742.1%–

13Grundy County, IAIA12,3612.1%–

14Mahaska County, IAIA21,8802.1%–

15Johnson County, IAIA160,0442.0%–

16Washington County, IAIA22,6672.0%–

17Poweshiek County, IAIA18,3681.9%–

18Henry County, IAIA19,3491.9%–

19Wapello County, IAIA35,2101.8%–

20Muscatine County, IAIA41,8531.8%–

21Warren County, IAIA57,3311.8%–

22Linn County, IAIA232,0281.8%–

23Page County, IAIA14,8561.8%–

24Fremont County, IAIA6,5221.8%–

25Davis County, IAIA9,2301.7%–

26Story County, IAIA101,2911.7%–

27Pocahontas County, IAIA6,8191.7%–

28Boone County, IAIA26,7991.7%–

29Montgomery County, IAIA10,0021.7%–

30Buchanan County, IAIA20,8831.7%–

31Jasper County, IAIA38,1531.7%–

32Madison County, IAIA17,2701.7%–

33Ringgold County, IAIA4,6421.6%–

34Iowa County, IAIA16,5041.6%–

35Greene County, IAIA8,6581.6%–

36Polk County, IAIA516,5461.6%–

37Appanoose County, IAIA12,0771.6%–

38Dallas County, IAIA118,4571.6%–

39Monona County, IAIA8,5391.6%–

40Scott County, IAIA175,2591.6%–

41Black Hawk County, IAIA131,5321.6%–

42Lee County, IAIA32,3061.6%–

43Lucas County, IAIA8,8471.6%–

44Humboldt County, IAIA9,4091.5%–

45Marshall County, IAIA39,8901.4%–

46Kossuth County, IAIA14,3221.4%–

47Clinton County, IAIA46,0021.4%–

48Guthrie County, IAIA10,7821.4%–

49Webster County, IAIA36,8381.4%–

50Cerro Gordo County, IAIA42,3721.4%–

51Clay County, IAIA16,2021.3%–

52Palo Alto County, IAIA8,8991.3%–

53Hancock County, IAIA10,5281.3%–

54Marion County, IAIA34,1921.3%–

55Bremer County, IAIA25,2961.3%–

56Winneshiek County, IAIA19,7331.3%–

57Pottawattamie County, IAIA92,9961.3%–

58Cherokee County, IAIA11,3691.3%–

59Cass County, IAIA12,9601.3%–

60Hardin County, IAIA16,4551.3%–

61Louisa County, IAIA10,4161.2%–

62Des Moines County, IAIA38,0771.2%–

63Hamilton County, IAIA14,9441.2%–

64Adair County, IAIA7,4031.2%–

65Monroe County, IAIA7,4061.2%–

66Tama County, IAIA16,7961.2%–

67Wright County, IAIA12,8011.1%–

68Fayette County, IAIA19,0471.1%–

69Plymouth County, IAIA25,6971.1%–

70Benton County, IAIA26,0041.0%–

71Allamakee County, IAIA14,2381.0%–

72Emmet County, IAIA9,1071.0%–

73Audubon County, IAIA5,5091.0%–

74Clayton County, IAIA16,8451.0%–

75Ida County, IAIA6,7771.0%–

76Calhoun County, IAIA9,5621.0%–

77Howard County, IAIA9,4150.9%–

78Buena Vista County, IAIA20,4490.9%–

79Woodbury County, IAIA106,6490.9%–

80Dubuque County, IAIA99,3810.9%–

81Dickinson County, IAIA18,0770.9%–

82Winnebago County, IAIA10,2510.8%–

83Carroll County, IAIA20,3030.8%–

84Butler County, IAIA14,0490.8%–

85Jackson County, IAIA19,2880.8%–

86Adams County, IAIA3,6170.8%–

87Chickasaw County, IAIA11,6630.8%–

88Crawford County, IAIA16,2370.8%–

89Floyd County, IAIA14,9010.7%–

90Harrison County, IAIA14,6230.7%–

91Cedar County, IAIA18,3590.7%–

92Franklin County, IAIA9,8680.6%–

93Delaware County, IAIA17,6740.6%–

94Worth County, IAIA7,3380.6%–

95Sioux County, IAIA36,7740.6%–

96Osceola County, IAIA5,9800.5%–

97Mitchell County, IAIA10,6500.5%–

98Lyon County, IAIA12,3540.3%–

99Shelby County, IAIA11,6890.3%–

SHOWING 1–99 OF 99

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