RANKING · 2024 ACS · 64 SHOWN OF 64

Highest American population share, Colorado counties

Colorado counties ranked by the share of all residents who are American ancestry (2023 American Community Survey). A concentration measure: American residents as a percentage of total population. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2000

01Delta County, COCO32,1788.3%–

02San Miguel County, COCO7,7536.1%–

03Dolores County, COCO2,4666.0%–

04Moffat County, COCO13,1226.0%–

05Prowers County, COCO11,8846.0%–

06Gilpin County, COCO6,0735.8%–

07Rio Blanco County, COCO6,6835.7%–

08Montezuma County, COCO26,6785.4%–

09Kit Carson County, COCO7,0695.4%–

10Jackson County, COCO1,2115.4%–

11Washington County, COCO4,7325.4%–

12Bent County, COCO5,7165.2%–

13Morgan County, COCO30,3065.1%–

14Montrose County, COCO44,5915.0%–

15Baca County, COCO3,3474.8%–

16Kiowa County, COCO1,4124.8%–

17Custer County, COCO5,5904.5%–

18El Paso County, COCO757,0404.4%–

19Yuma County, COCO9,8964.3%–

20Otero County, COCO17,6834.3%–

21Ouray County, COCO5,2654.3%–

22Clear Creek County, COCO8,9944.3%–

23Park County, COCO18,3144.0%–

24Larimer County, COCO377,2923.9%–

25Mesa County, COCO162,8453.8%–

26Weld County, COCO378,4263.7%–

27San Juan County, COCO8133.7%–

28Crowley County, COCO5,6773.7%–

29Elbert County, COCO30,5343.6%–

30Teller County, COCO24,7563.6%–

31Chaffee County, COCO20,8313.6%–

32Douglas County, COCO399,3963.5%–

33Fremont County, COCO50,0393.5%–

34Saguache County, COCO6,7323.4%–

35Las Animas County, COCO14,3913.4%–

36Pitkin County, COCO16,6253.4%–

37Jefferson County, COCO580,4513.4%–

38Garfield County, COCO63,4743.2%–

39Routt County, COCO25,3293.1%–

40Arapahoe County, COCO673,8203.1%–

41Broomfield County, COCO79,1743.1%–

42Pueblo County, COCO169,2773.1%–

43La Plata County, COCO56,8983.0%–

44Archuleta County, COCO14,3063.0%–

45Hinsdale County, COCO7533.0%–

46Adams County, COCO554,6683.0%–

47Boulder County, COCO328,5603.0%–

48Denver County, COCO740,6132.9%–

49Sedgwick County, COCO2,2472.9%–

50Costilla County, COCO3,6792.9%–

51Summit County, COCO31,5172.8%–

52Eagle County, COCO54,2912.8%–

53Gunnison County, COCO17,4392.8%–

54Huerfano County, COCO7,0112.7%–

55Logan County, COCO20,6542.6%–

56Alamosa County, COCO16,6882.5%–

57Mineral County, COCO9102.5%–

58Lincoln County, COCO5,6452.4%–

59Grand County, COCO16,4962.1%–

60Rio Grande County, COCO11,0872.1%–

61Conejos County, COCO7,5291.9%–

62Lake County, COCO7,5521.9%–

63Cheyenne County, COCO1,7131.6%–

64Phillips County, COCO4,4201.5%–

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