RANKING · 2020 CENSUS · 62 SHOWN OF 62

Largest Welsh population, Colorado counties · 2020

Colorado counties ranked by the number of residents who are Welsh 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 62 counties in Colorado that qualify, ranked against each other statewide.

Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01El Paso County, COCO757,0406,122−8%

02Jefferson County, COCO580,4516,046+8%

03Arapahoe County, COCO673,8204,799+4%

04Denver County, COCO740,6134,379−3%

05Larimer County, COCO377,2924,189+28%

06Boulder County, COCO328,5603,950+21%

07Douglas County, COCO399,3963,014−12%

08Weld County, COCO378,4262,955+64%

09Adams County, COCO554,6682,582+7%

10Mesa County, COCO162,8451,660+8%

11Pueblo County, COCO169,277892−14%

12La Plata County, COCO56,898677+15%

13Eagle County, COCO54,291595+84%

14Garfield County, COCO63,474566−1%

15Broomfield County, COCO79,174503−43%

16Fremont County, COCO50,039467+1%

17Park County, COCO18,314435+51%

18Moffat County, COCO13,122373+554%

19Delta County, COCO32,178332+1%

20Montrose County, COCO44,591332+11%

21Elbert County, COCO30,534242−32%

22Gunnison County, COCO17,439234+42%

23Montezuma County, COCO26,678229−22%

24Grand County, COCO16,496212+25%

25Routt County, COCO25,329212−42%

26Summit County, COCO31,517207−51%

27Archuleta County, COCO14,306188+114%

28Pitkin County, COCO16,625157−62%

29Gilpin County, COCO6,073156+346%

30Yuma County, COCO9,896155+216%

31Chaffee County, COCO20,831140−34%

32Teller County, COCO24,75690−47%

33Otero County, COCO17,68390−29%

34Logan County, COCO20,65478−70%

35Las Animas County, COCO14,39172−11%

36Crowley County, COCO5,67766+100%

37Morgan County, COCO30,30665−48%

38Kit Carson County, COCO7,06959−35%

39Prowers County, COCO11,88455−13%

40Alamosa County, COCO16,68854−70%

41Clear Creek County, COCO8,99447−58%

42Phillips County, COCO4,42046+77%

43Saguache County, COCO6,73244+29%

44San Miguel County, COCO7,75344−62%

45Rio Blanco County, COCO6,68341−66%

46Ouray County, COCO5,26540−25%

47Lincoln County, COCO5,64537−49%

48Rio Grande County, COCO11,08734−32%

49Bent County, COCO5,71631−9%

50Hinsdale County, COCO75325+178%

51Dolores County, COCO2,46624+14%

52Conejos County, COCO7,52922−76%

53Custer County, COCO5,59021+40%

54Cheyenne County, COCO1,71320+82%

55Washington County, COCO4,73219−30%

56Huerfano County, COCO7,01118−81%

57Mineral County, COCO91018−67%

58Costilla County, COCO3,67910−47%

59Lake County, COCO7,5529−95%

60Baca County, COCO3,3475−86%

61Kiowa County, COCO1,4124−33%

62Sedgwick County, COCO2,2472−93%

SHOWING 1–62 OF 62

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