RANKING · 2020 CENSUS · 59 SHOWN OF 59

Largest British population, Colorado counties · 2020

Colorado counties ranked by the number of residents who are British 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 59 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

RANKPLACESTATEPOPBRITISH POPULATIONVS 2000

01El Paso County, COCO757,0406,594–

02Denver County, COCO740,6135,194–

03Arapahoe County, COCO673,8204,958–

04Jefferson County, COCO580,4514,859–

05Boulder County, COCO328,5604,207–

06Douglas County, COCO399,3964,075–

07Larimer County, COCO377,2923,083–

08Adams County, COCO554,6682,520–

09Weld County, COCO378,4261,776–

10Mesa County, COCO162,8451,017–

11Broomfield County, COCO79,174977–

12Pueblo County, COCO169,277705–

13Eagle County, COCO54,291654–

14La Plata County, COCO56,898534–

15Park County, COCO18,314381–

16Pitkin County, COCO16,625378–

17Summit County, COCO31,517344–

18Garfield County, COCO63,474337–

19Montrose County, COCO44,591234–

20Delta County, COCO32,178229–

21Routt County, COCO25,329214–

22Chaffee County, COCO20,831197–

23Gunnison County, COCO17,439184–

24Grand County, COCO16,496181–

25Fremont County, COCO50,039176–

26Teller County, COCO24,756163–

27Montezuma County, COCO26,678142–

28Moffat County, COCO13,122119–

29Archuleta County, COCO14,306118–

30Clear Creek County, COCO8,99489–

31Elbert County, COCO30,53481–

32Kit Carson County, COCO7,06972–

33Prowers County, COCO11,88466–

34Las Animas County, COCO14,39164–

35Gilpin County, COCO6,07355–

36Logan County, COCO20,65453–

37Ouray County, COCO5,26550–

38Washington County, COCO4,73240–

39Huerfano County, COCO7,01139–

40San Miguel County, COCO7,75333–

41Morgan County, COCO30,30628–

42Otero County, COCO17,68324–

43Alamosa County, COCO16,68820–

44Rio Grande County, COCO11,08719–

45Custer County, COCO5,59013–

46Mineral County, COCO91012–

47Rio Blanco County, COCO6,68312–

48Crowley County, COCO5,67711–

49Baca County, COCO3,34710–

50Bent County, COCO5,7168–

51Dolores County, COCO2,4668–

52Lincoln County, COCO5,6458–

53Sedgwick County, COCO2,2477–

54Phillips County, COCO4,4204–

55San Juan County, COCO8134–

56Yuma County, COCO9,8964–

57Conejos County, COCO7,5293–

58Hinsdale County, COCO7533–

59Kiowa County, COCO1,4123–

SHOWING 1–59 OF 59

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