RANKING · 2020 CENSUS · 64 SHOWN OF 64

Highest Mexican population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Mexican origin (2023 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2000

01Prowers County, COCO11,88434.4%–

02Otero County, COCO17,68333.7%–

03Adams County, COCO554,66833.1%–

04Alamosa County, COCO16,68830.7%–

05Costilla County, COCO3,67930.4%–

06Phillips County, COCO4,42028.0%–

07Morgan County, COCO30,30627.7%–

08Pueblo County, COCO169,27727.6%–

09Weld County, COCO378,42624.4%–

10Saguache County, COCO6,73223.9%–

11Rio Grande County, COCO11,08723.7%–

12San Juan County, COCO81323.5%–

13Garfield County, COCO63,47423.4%–

14Las Animas County, COCO14,39123.4%–

15Denver County, COCO740,61322.9%–

16Eagle County, COCO54,29122.6%–

17Conejos County, COCO7,52922.6%–

18Yuma County, COCO9,89621.4%–

19Huerfano County, COCO7,01119.5%–

20Crowley County, COCO5,67719.4%–

21Lake County, COCO7,55219.0%–

22Montrose County, COCO44,59117.9%–

23Bent County, COCO5,71616.8%–

24Kit Carson County, COCO7,06916.6%–

25Logan County, COCO20,65414.6%–

26Sedgwick County, COCO2,24714.0%–

27Arapahoe County, COCO673,82013.4%–

28Moffat County, COCO13,12212.9%–

29Delta County, COCO32,17811.3%–

30Jackson County, COCO1,21111.0%–

31Baca County, COCO3,34710.8%–

32Jefferson County, COCO580,45110.8%–

33El Paso County, COCO757,04010.7%–

34Summit County, COCO31,51710.7%–

35Boulder County, COCO328,56010.0%–

36Broomfield County, COCO79,1749.8%–

37Cheyenne County, COCO1,7139.7%–

38Hinsdale County, COCO7539.0%–

39Dolores County, COCO2,4668.9%–

40Mesa County, COCO162,8458.6%–

41San Miguel County, COCO7,7538.6%–

42Gunnison County, COCO17,4398.5%–

43Larimer County, COCO377,2928.5%–

44Washington County, COCO4,7328.4%–

45Grand County, COCO16,4967.7%–

46Custer County, COCO5,5907.3%–

47Fremont County, COCO50,0395.8%–

48Montezuma County, COCO26,6785.7%–

49Rio Blanco County, COCO6,6835.7%–

50Douglas County, COCO399,3965.5%–

51La Plata County, COCO56,8985.4%–

52Gilpin County, COCO6,0735.3%–

53Pitkin County, COCO16,6255.1%–

54Clear Creek County, COCO8,9944.8%–

55Routt County, COCO25,3294.6%–

56Chaffee County, COCO20,8314.4%–

57Elbert County, COCO30,5344.3%–

58Park County, COCO18,3144.1%–

59Kiowa County, COCO1,4124.0%–

60Archuleta County, COCO14,3063.8%–

61Teller County, COCO24,7563.6%–

62Lincoln County, COCO5,6452.0%–

63Ouray County, COCO5,2651.5%–

64Mineral County, COCO9100.5%–

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