RANKING · 2020 CENSUS · 64 SHOWN OF 64

Most foreign-born residents, Colorado counties · 2020

Colorado counties ranked by the share of residents born outside the US (2020 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

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Phillips County, COCO4,42019.3%+9.1 pts

02San Juan County, COCO81316.3%+14.3 pts

03Arapahoe County, COCO673,82015.3%+0.4 pts

04Eagle County, COCO54,29115.3%−4.6 pts

05Adams County, COCO554,66814.8%−0.3 pts

06Denver County, COCO740,61314.0%−2.6 pts

07Garfield County, COCO63,47414.0%−2.7 pts

08Morgan County, COCO30,30613.7%+0.1 pts

09Yuma County, COCO9,89612.2%+0.5 pts

10Pitkin County, COCO16,62511.6%−1.0 pts

11Boulder County, COCO328,56010.1%−1.0 pts

12Broomfield County, COCO79,17410.0%+2.0 pts

13Lake County, COCO7,55210.0%−5.1 pts

14San Miguel County, COCO7,7539.9%+1.5 pts

15Prowers County, COCO11,8849.7%−0.3 pts

16Weld County, COCO378,4268.9%−0.6 pts

17Summit County, COCO31,5178.5%−3.7 pts

18Alamosa County, COCO16,6887.7%+1.6 pts

19Douglas County, COCO399,3967.6%+1.7 pts

20Montrose County, COCO44,5917.5%−0.3 pts

21Kit Carson County, COCO7,0697.3%−2.9 pts

22Moffat County, COCO13,1227.2%+1.1 pts

23Saguache County, COCO6,7327.0%−5.3 pts

24El Paso County, COCO757,0407.0%−0.2 pts

25Cheyenne County, COCO1,7136.4%+0.9 pts

26Jefferson County, COCO580,4516.2%−0.1 pts

27Costilla County, COCO3,6796.2%−3.3 pts

28Rio Grande County, COCO11,0876.1%+0.9 pts

29Larimer County, COCO377,2925.7%+0.4 pts

30Routt County, COCO25,3295.6%+1.8 pts

31Mineral County, COCO9105.4%+3.5 pts

32Delta County, COCO32,1784.5%−0.2 pts

33Otero County, COCO17,6834.4%+0.5 pts

34Baca County, COCO3,3474.4%+1.6 pts

35Archuleta County, COCO14,3064.3%+2.5 pts

36Logan County, COCO20,6544.3%−0.4 pts

37Jackson County, COCO1,2114.3%+2.7 pts

38Gilpin County, COCO6,0734.1%+1.2 pts

39Mesa County, COCO162,8454.1%−0.0 pts

40Gunnison County, COCO17,4394.0%−1.5 pts

41Bent County, COCO5,7163.9%−0.7 pts

42Custer County, COCO5,5903.9%+1.8 pts

43Grand County, COCO16,4963.9%−1.0 pts

44Chaffee County, COCO20,8313.8%+0.6 pts

45Crowley County, COCO5,6773.8%−2.4 pts

46Sedgwick County, COCO2,2473.6%+1.4 pts

47Lincoln County, COCO5,6453.6%−1.1 pts

48Montezuma County, COCO26,6783.5%+1.3 pts

49Rio Blanco County, COCO6,6833.4%−2.8 pts

50Las Animas County, COCO14,3913.3%−0.4 pts

51Pueblo County, COCO169,2773.1%−0.3 pts

52Fremont County, COCO50,0392.6%−4.0 pts

53Elbert County, COCO30,5342.5%−0.0 pts

54La Plata County, COCO56,8982.4%−0.8 pts

55Washington County, COCO4,7322.3%−1.9 pts

56Huerfano County, COCO7,0112.3%−2.0 pts

57Teller County, COCO24,7562.2%+0.1 pts

58Clear Creek County, COCO8,9942.2%−0.9 pts

59Conejos County, COCO7,5292.2%−2.0 pts

60Ouray County, COCO5,2652.0%−0.8 pts

61Park County, COCO18,3141.2%−2.8 pts

62Dolores County, COCO2,4661.1%+0.9 pts

63Hinsdale County, COCO7530.8%−2.1 pts

64Kiowa County, COCO1,4120.4%−0.6 pts

SHOWING 1–64 OF 64

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS