RANKING · 2010 CENSUS · 64 SHOWN OF 64

Largest Scotch-Irish population, Colorado counties · 2010

Colorado counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide. The median across all 64 is 323.

Scotch-Irish Americans: full group profile →

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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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS –

01El Paso County, COCO757,04014,494–

02Jefferson County, COCO580,45113,390–

03Arapahoe County, COCO673,82010,379–

04Denver County, COCO740,61310,302–

05Boulder County, COCO328,5607,774–

06Larimer County, COCO377,2927,741–

07Douglas County, COCO399,3966,639–

08Adams County, COCO554,6686,414–

09Weld County, COCO378,4264,532–

10Mesa County, COCO162,8453,551–

11Pueblo County, COCO169,2772,433–

12La Plata County, COCO56,8981,483–

13Broomfield County, COCO79,1741,272–

14Garfield County, COCO63,4741,144–

15Eagle County, COCO54,2911,132–

16Fremont County, COCO50,0391,037–

17Delta County, COCO32,178892–

18Montrose County, COCO44,591889–

19Teller County, COCO24,756865–

20Park County, COCO18,314854–

21Montezuma County, COCO26,678794–

22Summit County, COCO31,517729–

23Morgan County, COCO30,306603–

24Logan County, COCO20,654572–

25Routt County, COCO25,329554–

26Elbert County, COCO30,534546–

27Clear Creek County, COCO8,994457–

28Las Animas County, COCO14,391385–

29Gunnison County, COCO17,439384–

30Pitkin County, COCO16,625376–

31Huerfano County, COCO7,011339–

32Chaffee County, COCO20,831323–

33Rio Grande County, COCO11,087318–

34Otero County, COCO17,683303–

35Grand County, COCO16,496302–

36Yuma County, COCO9,896299–

37Alamosa County, COCO16,688292–

38Moffat County, COCO13,122268–

39Archuleta County, COCO14,306245–

40Kit Carson County, COCO7,069224–

41Lincoln County, COCO5,645198–

42Prowers County, COCO11,884195–

43Ouray County, COCO5,265184–

44Conejos County, COCO7,529178–

45Washington County, COCO4,732164–

46Dolores County, COCO2,466163–

47Rio Blanco County, COCO6,683156–

48Lake County, COCO7,552150–

49San Miguel County, COCO7,753142–

50Baca County, COCO3,347139–

51Gilpin County, COCO6,073111–

52Custer County, COCO5,590101–

53Saguache County, COCO6,73292–

54Cheyenne County, COCO1,71385–

55Phillips County, COCO4,42076–

56Sedgwick County, COCO2,24773–

57Bent County, COCO5,71666–

58San Juan County, COCO81365–

59Crowley County, COCO5,67763–

60Kiowa County, COCO1,41241–

61Mineral County, COCO91030–

62Jackson County, COCO1,21129–

63Hinsdale County, COCO75326–

64Costilla County, COCO3,67921–

SHOWING 1–64 OF 64

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