RANKING · 2024 ACS · 64 SHOWN OF 64

Largest American population, Colorado counties

Colorado counties ranked by the number of residents who are American ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01El Paso County, COCO757,04032,564+15%

02Denver County, COCO740,61320,936+8%

03Arapahoe County, COCO673,82020,495−32%

04Jefferson County, COCO580,45119,457−8%

05Adams County, COCO554,66815,731−33%

06Larimer County, COCO377,29214,317+25%

07Douglas County, COCO399,39613,262+3%

08Weld County, COCO378,42613,106+20%

09Boulder County, COCO328,5609,717+6%

10Mesa County, COCO162,8455,976−38%

11Pueblo County, COCO169,2775,184+11%

12Delta County, COCO32,1782,609+65%

13Broomfield County, COCO79,1742,345−21%

14Montrose County, COCO44,5912,180+5%

15Garfield County, COCO63,4742,021−2%

16Fremont County, COCO50,0391,739−19%

17La Plata County, COCO56,8981,690−53%

18Eagle County, COCO54,2911,555+73%

19Morgan County, COCO30,3061,497+43%

20Montezuma County, COCO26,6781,427−36%

21Elbert County, COCO30,5341,003+10%

22Teller County, COCO24,756893−35%

23Summit County, COCO31,517880+279%

24Moffat County, COCO13,122787−32%

25Routt County, COCO25,329785+64%

26Otero County, COCO17,683784−30%

27Park County, COCO18,314725−10%

28Chaffee County, COCO20,831721+18%

29Prowers County, COCO11,884709+45%

30Pitkin County, COCO16,625571+38%

31Logan County, COCO20,654548−43%

32Las Animas County, COCO14,391496−28%

33San Miguel County, COCO7,753488−53%

34Gunnison County, COCO17,439485−30%

35Yuma County, COCO9,896430−16%

36Archuleta County, COCO14,306417+16%

37Alamosa County, COCO16,688416−19%

38Clear Creek County, COCO8,994395+84%

39Kit Carson County, COCO7,069379−23%

40Rio Blanco County, COCO6,683375−14%

41Gilpin County, COCO6,073342+122%

42Grand County, COCO16,496341−41%

43Bent County, COCO5,716287−20%

44Washington County, COCO4,732259−2%

45Custer County, COCO5,590237+27%

46Rio Grande County, COCO11,087236−55%

47Saguache County, COCO6,732227+6%

48Ouray County, COCO5,265217+81%

49Crowley County, COCO5,677209+50%

50Huerfano County, COCO7,011186+8%

51Baca County, COCO3,347166−55%

52Conejos County, COCO7,529146−30%

53Dolores County, COCO2,466146−65%

54Lake County, COCO7,552139+3%

55Lincoln County, COCO5,645134−48%

56Costilla County, COCO3,679103−19%

57Jackson County, COCO1,21174−30%

58Phillips County, COCO4,42068−77%

59Kiowa County, COCO1,41266+6%

60Sedgwick County, COCO2,24766−53%

61Hinsdale County, COCO75330+650%

62Cheyenne County, COCO1,71327−58%

63San Juan County, COCO81327–

64Mineral County, COCO91018−68%

SHOWING 1–64 OF 64

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES