RANKING · 2024 ACS · 63 SHOWN OF 63

Highest Scotch-Irish population share, Colorado counties

Colorado counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 63 counties in Colorado that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Hinsdale County, COCO7533.9%−1.4 pts

02Dolores County, COCO2,4663.4%−4.6 pts

03Clear Creek County, COCO8,9943.0%−2.0 pts

04Saguache County, COCO6,7322.8%+1.3 pts

05Crowley County, COCO5,6772.7%+1.7 pts

06Ouray County, COCO5,2652.7%−1.6 pts

07Archuleta County, COCO14,3062.4%+0.4 pts

08Pitkin County, COCO16,6251.9%−0.4 pts

09Mineral County, COCO9101.8%−1.2 pts

10Chaffee County, COCO20,8311.7%−0.1 pts

11Lincoln County, COCO5,6451.7%−1.9 pts

12Grand County, COCO16,4961.5%−0.6 pts

13Gunnison County, COCO17,4391.5%−1.1 pts

14Teller County, COCO24,7561.5%−2.3 pts

15Mesa County, COCO162,8451.4%−1.0 pts

16Gilpin County, COCO6,0731.4%−0.7 pts

17Larimer County, COCO377,2921.3%−1.4 pts

18Elbert County, COCO30,5341.3%−1.1 pts

19Garfield County, COCO63,4741.3%−0.8 pts

20Park County, COCO18,3141.3%−4.0 pts

21Costilla County, COCO3,6791.2%+0.7 pts

22San Juan County, COCO8131.2%−7.4 pts

23Montrose County, COCO44,5911.2%−1.0 pts

24Lake County, COCO7,5521.2%−0.9 pts

25Montezuma County, COCO26,6781.2%−1.9 pts

26Cheyenne County, COCO1,7131.2%−2.7 pts

27Logan County, COCO20,6541.2%−1.4 pts

28Jefferson County, COCO580,4511.2%−1.4 pts

29Routt County, COCO25,3291.2%−1.3 pts

30Moffat County, COCO13,1221.2%−0.8 pts

31Otero County, COCO17,6831.1%−0.5 pts

32Boulder County, COCO328,5601.1%−1.6 pts

33Fremont County, COCO50,0391.1%−1.1 pts

34El Paso County, COCO757,0401.1%−1.3 pts

35La Plata County, COCO56,8981.0%−1.9 pts

36Broomfield County, COCO79,1741.0%−1.4 pts

37Delta County, COCO32,1781.0%−1.9 pts

38Morgan County, COCO30,3060.9%−1.2 pts

39Arapahoe County, COCO673,8200.9%−0.9 pts

40Douglas County, COCO399,3960.9%−1.5 pts

41Pueblo County, COCO169,2770.9%−0.7 pts

42Sedgwick County, COCO2,2470.8%−2.2 pts

43Baca County, COCO3,3470.8%−2.8 pts

44Weld County, COCO378,4260.8%−1.1 pts

45Denver County, COCO740,6130.7%−1.0 pts

46Yuma County, COCO9,8960.7%−2.3 pts

47Huerfano County, COCO7,0110.7%−4.2 pts

48Washington County, COCO4,7320.7%−2.7 pts

49Alamosa County, COCO16,6880.7%−1.2 pts

50Las Animas County, COCO14,3910.6%−1.9 pts

51Rio Grande County, COCO11,0870.6%−2.1 pts

52Phillips County, COCO4,4200.6%−1.2 pts

53San Miguel County, COCO7,7530.5%−1.4 pts

54Adams County, COCO554,6680.5%−1.0 pts

55Rio Blanco County, COCO6,6830.5%−1.9 pts

56Custer County, COCO5,5900.5%−2.1 pts

57Kit Carson County, COCO7,0690.5%−2.3 pts

58Summit County, COCO31,5170.5%−2.2 pts

59Bent County, COCO5,7160.4%−0.7 pts

60Prowers County, COCO11,8840.4%−1.2 pts

61Conejos County, COCO7,5290.3%−1.8 pts

62Eagle County, COCO54,2910.3%−1.9 pts

63Kiowa County, COCO1,4120.1%−2.4 pts

SHOWING 1–63 OF 63

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES