RANKING · 2020 CENSUS · 59 SHOWN OF 59

Highest British population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are British ancestry (2023 American Community Survey). A concentration measure: British residents as a percentage of total population. 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 SHAREVS 2000

01Pitkin County, COCO16,6252.1%–

02Park County, COCO18,3142.1%–

03Broomfield County, COCO79,1741.4%–

04Mineral County, COCO9101.4%–

05Boulder County, COCO328,5601.3%–

06Eagle County, COCO54,2911.2%–

07Douglas County, COCO399,3961.2%–

08Grand County, COCO16,4961.2%–

09Summit County, COCO31,5171.1%–

10Gunnison County, COCO17,4391.1%–

11Ouray County, COCO5,2651.0%–

12Kit Carson County, COCO7,0691.0%–

13Chaffee County, COCO20,8311.0%–

14La Plata County, COCO56,8981.0%–

15Clear Creek County, COCO8,9940.9%–

16El Paso County, COCO757,0400.9%–

17Moffat County, COCO13,1220.9%–

18Gilpin County, COCO6,0730.9%–

19Larimer County, COCO377,2920.9%–

20Archuleta County, COCO14,3060.9%–

21Routt County, COCO25,3290.8%–

22Jefferson County, COCO580,4510.8%–

23Washington County, COCO4,7320.8%–

24Arapahoe County, COCO673,8200.8%–

25Delta County, COCO32,1780.7%–

26Denver County, COCO740,6130.7%–

27Mesa County, COCO162,8450.7%–

28Teller County, COCO24,7560.7%–

29San Juan County, COCO8130.6%–

30Huerfano County, COCO7,0110.6%–

31Garfield County, COCO63,4740.6%–

32Weld County, COCO378,4260.6%–

33Montrose County, COCO44,5910.6%–

34Prowers County, COCO11,8840.5%–

35Montezuma County, COCO26,6780.5%–

36Adams County, COCO554,6680.5%–

37Las Animas County, COCO14,3910.4%–

38Dolores County, COCO2,4660.4%–

39Pueblo County, COCO169,2770.4%–

40San Miguel County, COCO7,7530.4%–

41Hinsdale County, COCO7530.4%–

42Fremont County, COCO50,0390.4%–

43Elbert County, COCO30,5340.3%–

44Sedgwick County, COCO2,2470.3%–

45Baca County, COCO3,3470.3%–

46Custer County, COCO5,5900.3%–

47Logan County, COCO20,6540.2%–

48Kiowa County, COCO1,4120.2%–

49Crowley County, COCO5,6770.2%–

50Rio Blanco County, COCO6,6830.2%–

51Rio Grande County, COCO11,0870.2%–

52Lincoln County, COCO5,6450.1%–

53Bent County, COCO5,7160.1%–

54Otero County, COCO17,6830.1%–

55Alamosa County, COCO16,6880.1%–

56Morgan County, COCO30,3060.1%–

57Phillips County, COCO4,4200.1%–

58Yuma County, COCO9,8960.0%–

59Conejos County, COCO7,5290.0%–

SHOWING 1–59 OF 59

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