RANKING · 2024 ACS · 64 SHOWN OF 64

Highest Irish population share, Colorado counties

Colorado counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

ColoradoAll 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

RANKPLACESTATEPOPIRISH SHAREVS 2000

01Mineral County, COCO91018.2%–

02Clear Creek County, COCO8,99417.7%–

03Gilpin County, COCO6,07316.5%–

04San Miguel County, COCO7,75315.8%–

05La Plata County, COCO56,89815.0%–

06Kiowa County, COCO1,41214.8%–

07Hinsdale County, COCO75314.5%–

08Custer County, COCO5,59014.2%–

09Moffat County, COCO13,12214.2%–

10Park County, COCO18,31414.1%–

11Archuleta County, COCO14,30613.9%–

12Cheyenne County, COCO1,71313.8%–

13Pitkin County, COCO16,62513.7%–

14Gunnison County, COCO17,43913.5%–

15Jefferson County, COCO580,45113.4%–

16Douglas County, COCO399,39613.2%–

17Elbert County, COCO30,53413.2%–

18Chaffee County, COCO20,83113.1%–

19Teller County, COCO24,75612.9%–

20Larimer County, COCO377,29212.8%–

21Boulder County, COCO328,56012.6%–

22Mesa County, COCO162,84512.5%–

23Routt County, COCO25,32912.3%–

24Delta County, COCO32,17812.1%–

25Broomfield County, COCO79,17412.0%–

26Rio Blanco County, COCO6,68311.8%–

27Dolores County, COCO2,46611.7%–

28Washington County, COCO4,73211.6%–

29Denver County, COCO740,61311.3%–

30El Paso County, COCO757,04011.2%–

31Yuma County, COCO9,89610.8%–

32Baca County, COCO3,34710.8%–

33Ouray County, COCO5,26510.8%–

34Montezuma County, COCO26,67810.7%–

35San Juan County, COCO81310.6%–

36Lake County, COCO7,55210.5%–

37Sedgwick County, COCO2,24710.4%–

38Saguache County, COCO6,73210.4%–

39Arapahoe County, COCO673,82010.3%–

40Fremont County, COCO50,03910.2%–

41Garfield County, COCO63,47410.0%–

42Lincoln County, COCO5,6459.7%–

43Weld County, COCO378,4269.7%–

44Jackson County, COCO1,2119.5%–

45Alamosa County, COCO16,6889.5%–

46Kit Carson County, COCO7,0699.2%–

47Las Animas County, COCO14,3919.1%–

48Grand County, COCO16,4969.1%–

49Montrose County, COCO44,5919.0%–

50Rio Grande County, COCO11,0878.8%–

51Pueblo County, COCO169,2778.6%–

52Eagle County, COCO54,2918.6%–

53Logan County, COCO20,6548.5%–

54Conejos County, COCO7,5298.4%–

55Adams County, COCO554,6688.3%–

56Otero County, COCO17,6838.2%–

57Summit County, COCO31,5177.7%–

58Morgan County, COCO30,3067.2%–

59Bent County, COCO5,7167.1%–

60Phillips County, COCO4,4206.7%–

61Costilla County, COCO3,6796.3%–

62Crowley County, COCO5,6776.2%–

63Huerfano County, COCO7,0116.0%–

64Prowers County, COCO11,8844.5%–

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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