RANKING · 2010 CENSUS · 64 SHOWN OF 64

Largest Welsh population, Colorado counties · 2010

Colorado counties ranked by the number of residents who are Welsh ancestry, from the 2023 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.

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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

RANKPLACESTATEPOPWELSH POPULATIONVS 2000

01El Paso County, COCO757,0406,681–

02Jefferson County, COCO580,4515,595–

03Arapahoe County, COCO673,8204,626–

04Denver County, COCO740,6134,528–

05Douglas County, COCO399,3963,434–

06Larimer County, COCO377,2923,262–

07Boulder County, COCO328,5603,260–

08Adams County, COCO554,6682,418–

09Weld County, COCO378,4261,803–

10Mesa County, COCO162,8451,541–

11Pueblo County, COCO169,2771,036–

12Broomfield County, COCO79,174883–

13La Plata County, COCO56,898590–

14Garfield County, COCO63,474572–

15Fremont County, COCO50,039462–

16Summit County, COCO31,517420–

17Pitkin County, COCO16,625409–

18Routt County, COCO25,329364–

19Elbert County, COCO30,534356–

20Delta County, COCO32,178328–

21Eagle County, COCO54,291324–

22Montrose County, COCO44,591298–

23Montezuma County, COCO26,678295–

24Park County, COCO18,314288–

25Logan County, COCO20,654263–

26Chaffee County, COCO20,831212–

27Alamosa County, COCO16,688183–

28Lake County, COCO7,552176–

29Grand County, COCO16,496170–

30Teller County, COCO24,756169–

31Gunnison County, COCO17,439165–

32Otero County, COCO17,683127–

33Morgan County, COCO30,306125–

34Rio Blanco County, COCO6,683120–

35San Miguel County, COCO7,753115–

36Clear Creek County, COCO8,994113–

37Huerfano County, COCO7,01196–

38Conejos County, COCO7,52992–

39Kit Carson County, COCO7,06991–

40Archuleta County, COCO14,30688–

41Las Animas County, COCO14,39181–

42Lincoln County, COCO5,64572–

43Prowers County, COCO11,88463–

44Moffat County, COCO13,12257–

45Mineral County, COCO91055–

46Ouray County, COCO5,26553–

47Rio Grande County, COCO11,08750–

48Yuma County, COCO9,89649–

49Baca County, COCO3,34736–

50Gilpin County, COCO6,07335–

51San Juan County, COCO81335–

52Bent County, COCO5,71634–

53Saguache County, COCO6,73234–

54Crowley County, COCO5,67733–

55Sedgwick County, COCO2,24729–

56Washington County, COCO4,73227–

57Phillips County, COCO4,42026–

58Dolores County, COCO2,46621–

59Jackson County, COCO1,21121–

60Costilla County, COCO3,67919–

61Custer County, COCO5,59015–

62Cheyenne County, COCO1,71311–

63Hinsdale County, COCO7539–

64Kiowa County, COCO1,4126–

SHOWING 1–64 OF 64

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