RANKING · 2010 CENSUS · 64 SHOWN OF 64

Most foreign-born residents, Colorado counties · 2010

Colorado counties ranked by the share of residents born outside the US (2023 ACS). This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

ColoradoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Highest uninsured rate Most women Most men Highest disability rate

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2000

01Eagle County, COCO54,29119.9%–

02Garfield County, COCO63,47416.7%–

03Denver County, COCO740,61316.6%–

04Adams County, COCO554,66815.1%–

05Lake County, COCO7,55215.0%–

06Arapahoe County, COCO673,82014.9%–

07Morgan County, COCO30,30613.6%–

08Pitkin County, COCO16,62512.6%–

09Saguache County, COCO6,73212.4%–

10Summit County, COCO31,51712.2%–

11Yuma County, COCO9,89611.7%–

12Boulder County, COCO328,56011.2%–

13Kit Carson County, COCO7,06910.2%–

14Phillips County, COCO4,42010.2%–

15Prowers County, COCO11,88410.0%–

16Weld County, COCO378,4269.5%–

17Costilla County, COCO3,6799.5%–

18San Miguel County, COCO7,7538.4%–

19Broomfield County, COCO79,1748.0%–

20Montrose County, COCO44,5917.7%–

21El Paso County, COCO757,0407.2%–

22Fremont County, COCO50,0396.5%–

23Jefferson County, COCO580,4516.4%–

24Rio Blanco County, COCO6,6836.2%–

25Crowley County, COCO5,6776.1%–

26Moffat County, COCO13,1226.1%–

27Alamosa County, COCO16,6886.0%–

28Douglas County, COCO399,3965.9%–

29Gunnison County, COCO17,4395.5%–

30Cheyenne County, COCO1,7135.4%–

31Larimer County, COCO377,2925.3%–

32Rio Grande County, COCO11,0875.2%–

33Grand County, COCO16,4964.8%–

34Lincoln County, COCO5,6454.7%–

35Delta County, COCO32,1784.7%–

36Logan County, COCO20,6544.7%–

37Bent County, COCO5,7164.6%–

38Huerfano County, COCO7,0114.3%–

39Washington County, COCO4,7324.2%–

40Conejos County, COCO7,5294.2%–

41Mesa County, COCO162,8454.2%–

42Park County, COCO18,3144.0%–

43Otero County, COCO17,6834.0%–

44Routt County, COCO25,3293.8%–

45Las Animas County, COCO14,3913.7%–

46Pueblo County, COCO169,2773.4%–

47Chaffee County, COCO20,8313.2%–

48La Plata County, COCO56,8983.2%–

49Clear Creek County, COCO8,9943.1%–

50Gilpin County, COCO6,0732.9%–

51Hinsdale County, COCO7532.9%–

52Ouray County, COCO5,2652.8%–

53Baca County, COCO3,3472.7%–

54Elbert County, COCO30,5342.6%–

55Sedgwick County, COCO2,2472.3%–

56Custer County, COCO5,5902.2%–

57Montezuma County, COCO26,6782.2%–

58Teller County, COCO24,7562.1%–

59San Juan County, COCO8132.0%–

60Mineral County, COCO9101.9%–

61Archuleta County, COCO14,3061.7%–

62Jackson County, COCO1,2111.6%–

63Kiowa County, COCO1,4121.0%–

64Dolores County, COCO2,4660.2%–

SHOWING 1–64 OF 64

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES