RANKING · 2020 CENSUS · 99 SHOWN OF 99

Largest Scottish population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Scottish 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.

Scottish 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

RANKPLACESTATEPOPSCOTTISH POPULATIONVS 2010

01Polk County, IAIA516,5467,876−1%

02Linn County, IAIA232,0284,017−1%

03Johnson County, IAIA160,0442,992+1%

04Scott County, IAIA175,2592,790+16%

05Black Hawk County, IAIA131,5322,099−8%

06Story County, IAIA101,2911,697−30%

07Dallas County, IAIA118,4571,464+64%

08Pottawattamie County, IAIA92,9961,209−11%

09Woodbury County, IAIA106,649965−36%

10Warren County, IAIA57,331920+3%

11Dubuque County, IAIA99,381871+3%

12Jones County, IAIA21,253831+136%

13Muscatine County, IAIA41,853778+19%

14Clinton County, IAIA46,002649+3%

15Wapello County, IAIA35,210647−5%

16Jasper County, IAIA38,153636−12%

17Cerro Gordo County, IAIA42,372579−32%

18Marshall County, IAIA39,890571−10%

19Lee County, IAIA32,306540+13%

20Webster County, IAIA36,838499−28%

21Des Moines County, IAIA38,077480−1%

22Mahaska County, IAIA21,880461+1%

23Boone County, IAIA26,799458−17%

24Marion County, IAIA34,192433−23%

25Washington County, IAIA22,667431+10%

26Jefferson County, IAIA15,291406+5%

27Union County, IAIA11,829378+93%

28Mills County, IAIA14,793378+92%

29Henry County, IAIA19,349368+9%

30Buchanan County, IAIA20,883365+35%

31Poweshiek County, IAIA18,368356−33%

32Bremer County, IAIA25,296324−5%

33O'Brien County, IAIA14,220296+7%

34Keokuk County, IAIA9,797287+90%

35Madison County, IAIA17,270270−11%

36Page County, IAIA14,856269−33%

37Plymouth County, IAIA25,697269−20%

38Iowa County, IAIA16,504265−16%

39Benton County, IAIA26,004262−59%

40Winneshiek County, IAIA19,733260−29%

41Grundy County, IAIA12,361255+114%

42Decatur County, IAIA7,655226+51%

43Clay County, IAIA16,202217+79%

44Sac County, IAIA9,525214+37%

45Fayette County, IAIA19,047213+20%

46Hardin County, IAIA16,455212−34%

47Kossuth County, IAIA14,322207−25%

48Appanoose County, IAIA12,077202−29%

49Clarke County, IAIA9,574198−26%

50Tama County, IAIA16,796198−33%

51Sioux County, IAIA36,774194−35%

52Buena Vista County, IAIA20,449188−8%

53Hamilton County, IAIA14,944182−31%

54Montgomery County, IAIA10,002173−34%

55Clayton County, IAIA16,845172−8%

56Cass County, IAIA12,960166−2%

57Taylor County, IAIA5,835165−2%

58Wayne County, IAIA6,738162+17%

59Carroll County, IAIA20,303161+15%

60Van Buren County, IAIA7,131158−3%

61Davis County, IAIA9,230157−33%

62Dickinson County, IAIA18,077152−21%

63Jackson County, IAIA19,288152+31%

64Guthrie County, IAIA10,782148+12%

65Humboldt County, IAIA9,409147−35%

66Greene County, IAIA8,658146−29%

67Cherokee County, IAIA11,369145−27%

68Hancock County, IAIA10,528143+22%

69Allamakee County, IAIA14,238141−19%

70Monona County, IAIA8,539140+159%

71Louisa County, IAIA10,416138−41%

72Wright County, IAIA12,801138−37%

73Lucas County, IAIA8,847135+47%

74Crawford County, IAIA16,237128+0%

75Cedar County, IAIA18,359126−65%

76Fremont County, IAIA6,522121−35%

77Palo Alto County, IAIA8,899120+22%

78Pocahontas County, IAIA6,819117+26%

79Floyd County, IAIA14,901116−15%

80Butler County, IAIA14,049114−2%

81Delaware County, IAIA17,674106−18%

82Harrison County, IAIA14,62397−76%

83Emmet County, IAIA9,10793−54%

84Calhoun County, IAIA9,56292−21%

85Chickasaw County, IAIA11,66392−21%

86Monroe County, IAIA7,40692−32%

87Howard County, IAIA9,41587−19%

88Winnebago County, IAIA10,25187−42%

89Adair County, IAIA7,40384−46%

90Ringgold County, IAIA4,64281−54%

91Ida County, IAIA6,77766−12%

92Franklin County, IAIA9,86863−66%

93Audubon County, IAIA5,50955+45%

94Mitchell County, IAIA10,65050−69%

95Worth County, IAIA7,33844+16%

96Lyon County, IAIA12,35438−3%

97Shelby County, IAIA11,68937−68%

98Osceola County, IAIA5,98030+3%

99Adams County, IAIA3,61728−58%

SHOWING 1–99 OF 99

Download CSV (full list, 99 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS