RANKING · 2010 CENSUS · 63 SHOWN OF 63

Largest American population, Colorado counties · 2010

Colorado counties ranked by the number of residents who are American ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 63 counties in Colorado that qualify, ranked against each other statewide. The median across all 63 is 523.

American ancestry: full group profile →

ColoradoAll states All rankings

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 –

01Arapahoe County, COCO673,82030,095–

02El Paso County, COCO757,04028,294–

03Adams County, COCO554,66823,458–

04Jefferson County, COCO580,45121,134–

05Denver County, COCO740,61319,324–

06Douglas County, COCO399,39612,882–

07Larimer County, COCO377,29211,419–

08Weld County, COCO378,42610,890–

09Mesa County, COCO162,8459,626–

10Boulder County, COCO328,5609,185–

11Pueblo County, COCO169,2774,669–

12La Plata County, COCO56,8983,626–

13Broomfield County, COCO79,1742,966–

14Montezuma County, COCO26,6782,221–

15Fremont County, COCO50,0392,136–

16Garfield County, COCO63,4742,070–

17Montrose County, COCO44,5912,068–

18Delta County, COCO32,1781,584–

19Teller County, COCO24,7561,367–

20Moffat County, COCO13,1221,156–

21Otero County, COCO17,6831,122–

22Morgan County, COCO30,3061,045–

23San Miguel County, COCO7,7531,032–

24Logan County, COCO20,654963–

25Elbert County, COCO30,534914–

26Eagle County, COCO54,291899–

27Park County, COCO18,314804–

28Gunnison County, COCO17,439691–

29Las Animas County, COCO14,391686–

30Chaffee County, COCO20,831609–

31Grand County, COCO16,496574–

32Rio Grande County, COCO11,087523–

33Alamosa County, COCO16,688516–

34Yuma County, COCO9,896513–

35Kit Carson County, COCO7,069490–

36Prowers County, COCO11,884488–

37Routt County, COCO25,329480–

38Rio Blanco County, COCO6,683436–

39Dolores County, COCO2,466420–

40Pitkin County, COCO16,625415–

41Baca County, COCO3,347369–

42Archuleta County, COCO14,306361–

43Bent County, COCO5,716361–

44Phillips County, COCO4,420296–

45Washington County, COCO4,732264–

46Lincoln County, COCO5,645257–

47Summit County, COCO31,517232–

48Clear Creek County, COCO8,994215–

49Saguache County, COCO6,732215–

50Conejos County, COCO7,529210–

51Custer County, COCO5,590187–

52Huerfano County, COCO7,011173–

53Gilpin County, COCO6,073154–

54Sedgwick County, COCO2,247140–

55Crowley County, COCO5,677139–

56Lake County, COCO7,552135–

57Costilla County, COCO3,679127–

58Ouray County, COCO5,265120–

59Jackson County, COCO1,211106–

60Cheyenne County, COCO1,71364–

61Kiowa County, COCO1,41262–

62Mineral County, COCO91057–

63Hinsdale County, COCO7534–

SHOWING 1–63 OF 63

Download CSV (full list, 63 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS