RANKING · 2010 CENSUS · 57 SHOWN OF 57

Highest British population share, Colorado counties · 2010

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 57 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

01Ouray County, COCO5,2651.8%–

02Summit County, COCO31,5171.8%–

03Lincoln County, COCO5,6451.5%–

04Clear Creek County, COCO8,9941.5%–

05Pitkin County, COCO16,6251.4%–

06Boulder County, COCO328,5601.2%–

07Kit Carson County, COCO7,0691.1%–

08Elbert County, COCO30,5341.0%–

09Douglas County, COCO399,3960.8%–

10San Juan County, COCO8130.8%–

11Costilla County, COCO3,6790.8%–

12Broomfield County, COCO79,1740.7%–

13Rio Blanco County, COCO6,6830.7%–

14San Miguel County, COCO7,7530.7%–

15El Paso County, COCO757,0400.7%–

16Arapahoe County, COCO673,8200.6%–

17Jackson County, COCO1,2110.6%–

18Jefferson County, COCO580,4510.6%–

19Eagle County, COCO54,2910.6%–

20Logan County, COCO20,6540.6%–

21Gilpin County, COCO6,0730.6%–

22Larimer County, COCO377,2920.5%–

23Park County, COCO18,3140.5%–

24Cheyenne County, COCO1,7130.5%–

25Montrose County, COCO44,5910.5%–

26Montezuma County, COCO26,6780.5%–

27Denver County, COCO740,6130.5%–

28La Plata County, COCO56,8980.5%–

29Teller County, COCO24,7560.4%–

30Washington County, COCO4,7320.4%–

31Garfield County, COCO63,4740.4%–

32Mesa County, COCO162,8450.4%–

33Weld County, COCO378,4260.4%–

34Gunnison County, COCO17,4390.4%–

35Sedgwick County, COCO2,2470.3%–

36Adams County, COCO554,6680.3%–

37Kiowa County, COCO1,4120.3%–

38Morgan County, COCO30,3060.3%–

39Yuma County, COCO9,8960.3%–

40Chaffee County, COCO20,8310.3%–

41Huerfano County, COCO7,0110.3%–

42Otero County, COCO17,6830.2%–

43Fremont County, COCO50,0390.2%–

44Pueblo County, COCO169,2770.2%–

45Routt County, COCO25,3290.2%–

46Rio Grande County, COCO11,0870.2%–

47Baca County, COCO3,3470.2%–

48Dolores County, COCO2,4660.1%–

49Saguache County, COCO6,7320.1%–

50Delta County, COCO32,1780.1%–

51Crowley County, COCO5,6770.1%–

52Prowers County, COCO11,8840.1%–

53Moffat County, COCO13,1220.1%–

54Grand County, COCO16,4960.1%–

55Las Animas County, COCO14,3910.1%–

56Alamosa County, COCO16,6880.1%–

57Archuleta County, COCO14,3060.1%–

SHOWING 1–57 OF 57

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