RANKING · 2024 ACS · 64 SHOWN OF 64

Largest foreign-born population, Colorado counties

Colorado counties with the most residents born outside the United States, as of the 2024 American Community Survey. Ranked by number of people, not share. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

ColoradoAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people Most unmarried men

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Arapahoe County, COCO673,820109,155+28%

02Denver County, COCO740,613104,034+4%

03Adams County, COCO554,66882,886+24%

04El Paso County, COCO757,04053,638+20%

05Jefferson County, COCO580,45136,431+7%

06Boulder County, COCO328,56033,259+1%

07Weld County, COCO378,42631,839+33%

08Douglas County, COCO399,39631,644+87%

09Larimer County, COCO377,29220,330+28%

10Eagle County, COCO54,2919,051−13%

11Garfield County, COCO63,4748,822−6%

12Broomfield County, COCO79,1747,992+78%

13Pueblo County, COCO169,2776,868+28%

14Mesa County, COCO162,8456,426+5%

15Morgan County, COCO30,3063,546−8%

16Summit County, COCO31,5172,651−22%

17Montrose County, COCO44,5912,627−18%

18La Plata County, COCO56,8981,748+8%

19Pitkin County, COCO16,6251,702−21%

20Yuma County, COCO9,8961,629+38%

21Routt County, COCO25,3291,540+72%

22Prowers County, COCO11,8841,248−0%

23Delta County, COCO32,1781,202−17%

24Logan County, COCO20,6541,182+11%

25Fremont County, COCO50,0391,134−63%

26Elbert County, COCO30,534918+56%

27Lake County, COCO7,552914−17%

28Otero County, COCO17,683874+17%

29Alamosa County, COCO16,688838−10%

30Grand County, COCO16,496675−6%

31Montezuma County, COCO26,678675+23%

32Gunnison County, COCO17,439642−23%

33Moffat County, COCO13,122626−26%

34Archuleta County, COCO14,306616+195%

35Park County, COCO18,314577−11%

36Phillips County, COCO4,420527+16%

37Saguache County, COCO6,732509−33%

38Chaffee County, COCO20,831495−13%

39Kit Carson County, COCO7,069484−43%

40Las Animas County, COCO14,391458−20%

41Rio Grande County, COCO11,087435−30%

42Teller County, COCO24,756420−14%

43San Miguel County, COCO7,753412−33%

44Clear Creek County, COCO8,994326+17%

45Rio Blanco County, COCO6,683315−24%

46Conejos County, COCO7,529304−12%

47Lincoln County, COCO5,645253−2%

48Costilla County, COCO3,679205−39%

49Ouray County, COCO5,265196+59%

50Washington County, COCO4,732193−4%

51Baca County, COCO3,347173+66%

52Crowley County, COCO5,677160−55%

53Gilpin County, COCO6,073148−8%

54Bent County, COCO5,716124−59%

55Custer County, COCO5,590120+30%

56Sedgwick County, COCO2,247106+96%

57Cheyenne County, COCO1,71383−17%

58San Juan County, COCO81380+471%

59Kiowa County, COCO1,41276+443%

60Huerfano County, COCO7,01166−77%

61Jackson County, COCO1,21120−9%

62Dolores County, COCO2,46612+200%

63Hinsdale County, COCO75310−58%

64Mineral County, COCO9104−69%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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