RANKING · 2024 ACS · 59 SHOWN OF 59

Highest Welsh population share, Colorado counties

Colorado counties ranked by the share of all residents who are Welsh ancestry (2024 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 59 counties in Colorado that qualify, ranked against each other statewide. The median across all 59 is 0.7%. Biggest climber in the top 100 since 2020: Lake County, CO, up 59 places to #2.

Welsh Americans: full group profile →

ColoradoAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01▲4Mineral County, COCO9104.4%−1.0 pts

02▲59Lake County, COCO7,5521.9%−0.6 pts

03▲14Delta County, COCO32,1781.7%+0.7 pts

04▲35Rio Blanco County, COCO6,6831.4%−0.5 pts

05▼2Gilpin County, COCO6,0731.3%+0.6 pts

06▼2Park County, COCO18,3141.2%−0.5 pts

07▲8Mesa County, COCO162,8451.2%+0.2 pts

08▲46Rio Grande County, COCO11,0871.2%+0.8 pts

09▲21Ouray County, COCO5,2651.2%0.0 pts

10▲3Larimer County, COCO377,2921.1%0.0 pts

11▲35Clear Creek County, COCO8,9941.1%−0.1 pts

12▲25Lincoln County, COCO5,6451.1%−0.2 pts

13▲16Routt County, COCO25,3291.0%−0.5 pts

14▼5Grand County, COCO16,4961.0%−0.1 pts

15▼3La Plata County, COCO56,8981.0%−0.1 pts

16▼5Boulder County, COCO328,5601.0%−0.1 pts

17▲40Huerfano County, COCO7,0111.0%−0.4 pts

18▲1Jefferson County, COCO580,4511.0%−0.1 pts

19▼17Moffat County, COCO13,1220.9%+0.5 pts

20▲38Costilla County, COCO3,6790.9%+0.3 pts

21▼5Eagle County, COCO54,2910.9%+0.2 pts

22▲3Douglas County, COCO399,3960.9%−0.4 pts

23▼3Cheyenne County, COCO1,7130.9%+0.4 pts

24▼17Archuleta County, COCO14,3060.8%+0.1 pts

25▲9Broomfield County, COCO79,1740.8%−0.8 pts

26Pitkin County, COCO16,6250.8%−1.7 pts

27▼6Fremont County, COCO50,0390.8%−0.2 pts

28El Paso County, COCO757,0400.8%−0.3 pts

29▲20Custer County, COCO5,5900.7%+0.4 pts

30▼6Elbert County, COCO30,5340.7%−0.8 pts

31▲20Teller County, COCO24,7560.7%−0.1 pts

32▲1Arapahoe County, COCO673,8200.7%−0.2 pts

33▲2Chaffee County, COCO20,8310.6%−0.6 pts

34▲6Denver County, COCO740,6130.6%−0.2 pts

35▼27Gunnison County, COCO17,4390.6%−0.5 pts

36▼13Weld County, COCO378,4260.6%−0.1 pts

37▼1Summit County, COCO31,5170.6%−1.0 pts

38▼16Garfield County, COCO63,4740.6%−0.5 pts

39▼8Kit Carson County, COCO7,0690.5%−0.6 pts

40▼8Montrose County, COCO44,5910.5%−0.2 pts

41▲4Las Animas County, COCO14,3910.5%0.0 pts

42▲20Sedgwick County, COCO2,2470.5%−0.7 pts

43▲1Adams County, COCO554,6680.5%−0.1 pts

44▲6Washington County, COCO4,7320.4%−0.1 pts

45▲8Alamosa County, COCO16,6880.4%−0.8 pts

46▼28Phillips County, COCO4,4200.4%−0.2 pts

47▼4Pueblo County, COCO169,2770.3%−0.3 pts

48▼1Otero County, COCO17,6830.3%−0.3 pts

49▼43Yuma County, COCO9,8960.3%−0.2 pts

50▼12Saguache County, COCO6,7320.3%−0.2 pts

51▲5Conejos County, COCO7,5290.3%−0.8 pts

52Logan County, COCO20,6540.3%−0.9 pts

53▼39Crowley County, COCO5,6770.2%−0.3 pts

54▼12San Miguel County, COCO7,7530.2%−1.3 pts

55Kiowa County, COCO1,4120.2%−0.1 pts

56▼29Montezuma County, COCO26,6780.2%−1.0 pts

57▲2Morgan County, COCO30,3060.2%−0.3 pts

58▼17Bent County, COCO5,7160.1%−0.4 pts

59▲1Baca County, COCO3,3470.1%−0.9 pts

SHOWING 1–59 OF 59

Download CSV (full list, 59 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES