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 (2024 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. The median across all 64 is 3.5%. Biggest climber in the top 100 since 2020: Jackson County, CO, up 53 places to #10.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2010

01▲13Delta County, COCO32,1788.3%+3.1 pts

02▲1San Miguel County, COCO7,7536.1%−8.0 pts

03▼2Dolores County, COCO2,4666.0%−14.7 pts

04▲1Moffat County, COCO13,1226.0%−2.6 pts

05▲1Prowers County, COCO11,8846.0%+2.1 pts

06▼2Gilpin County, COCO6,0735.8%+2.8 pts

07▲41Rio Blanco County, COCO6,6835.7%−1.0 pts

08▼6Montezuma County, COCO26,6785.4%−3.4 pts

09▲1Kit Carson County, COCO7,0695.4%−0.6 pts

10▲53Jackson County, COCO1,2115.4%−1.8 pts

11▲28Washington County, COCO4,7325.4%−0.2 pts

12▲15Bent County, COCO5,7165.2%−0.7 pts

13▼6Morgan County, COCO30,3065.1%+1.3 pts

14▼6Montrose County, COCO44,5915.0%−0.2 pts

15▲3Baca County, COCO3,3474.8%−4.8 pts

16Kiowa County, COCO1,4124.8%+1.0 pts

17▼2Custer County, COCO5,5904.5%−0.3 pts

18▲2El Paso County, COCO757,0404.4%−0.3 pts

19▲17Yuma County, COCO9,8964.3%−0.9 pts

20▼9Otero County, COCO17,6834.3%−1.7 pts

21▼12Ouray County, COCO5,2654.3%+1.5 pts

22▲21Clear Creek County, COCO8,9944.3%+1.9 pts

23▲14Park County, COCO18,3144.0%−0.9 pts

24Larimer County, COCO377,2923.9%0.0 pts

25▼4Mesa County, COCO162,8453.8%−3.0 pts

26▼7Weld County, COCO378,4263.7%−0.7 pts

27▲32San Juan County, COCO8133.7%–

28▲14Crowley County, COCO5,6773.7%+1.3 pts

29▼17Elbert County, COCO30,5343.6%−0.4 pts

30▲1Teller County, COCO24,7563.6%−2.4 pts

31▼5Chaffee County, COCO20,8313.6%+0.1 pts

32▼3Douglas County, COCO399,3963.5%−1.2 pts

33▲2Fremont County, COCO50,0393.5%−1.0 pts

34▼6Saguache County, COCO6,7323.4%0.0 pts

35▲11Las Animas County, COCO14,3913.4%−0.9 pts

36▲17Pitkin County, COCO16,6253.4%+0.8 pts

37▼5Jefferson County, COCO580,4513.4%−0.6 pts

38▼4Garfield County, COCO63,4743.2%−0.5 pts

39▲18Routt County, COCO25,3293.1%+1.0 pts

40▼17Arapahoe County, COCO673,8203.1%−2.3 pts

41Broomfield County, COCO79,1743.1%−2.5 pts

42▼12Pueblo County, COCO169,2773.1%+0.1 pts

43▼21La Plata County, COCO56,8983.0%−4.2 pts

44▼4Archuleta County, COCO14,3063.0%0.0 pts

45▲19Hinsdale County, COCO7533.0%+2.2 pts

46▼2Adams County, COCO554,6683.0%−2.5 pts

47▼2Boulder County, COCO328,5603.0%−0.2 pts

48▲3Denver County, COCO740,6132.9%−0.4 pts

49▲1Sedgwick County, COCO2,2472.9%−2.9 pts

50▼33Costilla County, COCO3,6792.9%−0.7 pts

51▲7Summit County, COCO31,5172.8%+2.0 pts

52▼5Eagle County, COCO54,2912.8%+1.1 pts

53▼20Gunnison County, COCO17,4392.8%−1.8 pts

54Huerfano County, COCO7,0112.7%+0.2 pts

55▼17Logan County, COCO20,6542.6%−1.7 pts

56▼7Alamosa County, COCO16,6882.5%−0.9 pts

57▲4Mineral County, COCO9102.5%−3.1 pts

58▼3Lincoln County, COCO5,6452.4%−2.3 pts

59▲1Grand County, COCO16,4962.1%−1.8 pts

60▼8Rio Grande County, COCO11,0872.1%−2.3 pts

61▼5Conejos County, COCO7,5291.9%−0.6 pts

62Lake County, COCO7,5521.9%0.0 pts

63▼38Cheyenne County, COCO1,7131.6%−1.4 pts

64▼51Phillips County, COCO4,4201.5%−5.2 pts

SHOWING 1–64 OF 64

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